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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Index</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="biblio.html" title="Bibliography" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">Index</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="biblio.html" title="Bibliography">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="index.html" title="PostgreSQL 16.2 Documentation">Up</a></td><th width="60%" align="center">PostgreSQL 16.2 Documentation</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> </td></tr></table><hr /></div><div class="index" id="BOOKINDEX"><div class="titlepage"><div><div><h1 class="title">Index</h1></div></div></div><div xmlns:xlink="http://www.w3.org/1999/xlink" class="index"><p class="indexdiv-quicklinks"><a href="#indexdiv-Symbols">Symbols</a>
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      <a href="#indexdiv-Z">Z</a></p><div class="indexdiv" id="indexdiv-Symbols"><h3>Symbols</h3><dl><dt id="ientry-idm1836">$, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-PARAMETERS-POSITIONAL">Positional Parameters</a></dt><dt id="ientry-idm76811">$libdir, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm45295">$libdir/plugins, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a>, <a class="indexterm" href="sql-load.html#SQL-LOAD-DESCRIPTION">Description</a></dt><dt id="ientry-idm5308">*, <a class="indexterm" href="queries-select-lists.html#QUERIES-SELECT-LIST-ITEMS">Select-List Items</a></dt><dt id="ientry-idm64706">.pgpass, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm64741">.pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm2236">::, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS">Type Casts</a></dt><dt id="ientry-idm90639">_PG_archive_module_init, <a class="indexterm" href="archive-module-init.html">Initialization Functions</a></dt><dt id="ientry-idm76844">_PG_init, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm90201">_PG_output_plugin_init, <a class="indexterm" href="logicaldecoding-output-plugin.html#LOGICALDECODING-OUTPUT-INIT">Initialization Function</a></dt></dl></div><div class="indexdiv" id="indexdiv-A"><h3>A</h3><dl><dt id="ientry-idm19739">abbrev, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm90699">ABORT, <a class="indexterm" href="sql-abort.html">ABORT</a></dt><dt id="ientry-idm11254">abs, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3068">ACL, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm27459">aclcontains, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27498">acldefault, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27530">aclexplode, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm3500">aclitem, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm27443">aclitemeq, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm11857">acos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11869">acosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12126">acosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm177406">administration tools</dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-admin-tools.html">Administration Tools</a></dt></dl></dd><dt id="ientry-idm166984">adminpack, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm34985">advisory lock, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a></dt><dt id="ientry-idm17271">age, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a>, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm828">aggregate function, <a class="indexterm" href="tutorial-agg.html">Aggregate Functions</a>, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a>, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="xaggr.html">User-Defined Aggregates</a></dt><dd><dl><dt>built-in, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt>invocation, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt>moving aggregate, <a class="indexterm" href="xaggr.html#XAGGR-MOVING-AGGREGATES">Moving-Aggregate Mode</a></dt><dt>ordered set, <a class="indexterm" href="xaggr.html#XAGGR-ORDERED-SET-AGGREGATES">Ordered-Set Aggregates</a></dt><dt>partial aggregation, <a class="indexterm" href="xaggr.html#XAGGR-PARTIAL-AGGREGATES">Partial Aggregation</a></dt><dt>polymorphic, <a class="indexterm" href="xaggr.html#XAGGR-POLYMORPHIC-AGGREGATES">Polymorphic and Variadic Aggregates</a></dt><dt>support functions for, <a class="indexterm" href="xaggr.html#XAGGR-SUPPORT-FUNCTIONS">Support Functions for Aggregates</a></dt><dt>user-defined, <a class="indexterm" href="xaggr.html">User-Defined Aggregates</a></dt><dt>variadic, <a class="indexterm" href="xaggr.html#XAGGR-POLYMORPHIC-AGGREGATES">Polymorphic and Variadic Aggregates</a></dt></dl></dd><dt id="ientry-idm37873">AIX, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-AIX">AIX</a></dt><dd><dl><dt>installation on, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-AIX">AIX</a></dt><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt></dl></dd><dt id="ientry-idm170044">akeys, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm810">alias, <a class="indexterm" href="queries-table-expressions.html#QUERIES-TABLE-ALIASES">Table and Column Aliases</a>, <a class="indexterm" href="queries-select-lists.html#QUERIES-COLUMN-LABELS">Column Labels</a></dt><dd><dl><dt>for table name in query, <a class="indexterm" href="tutorial-join.html">Joins Between Tables</a></dt><dt>in the FROM clause, <a class="indexterm" href="queries-table-expressions.html#QUERIES-TABLE-ALIASES">Table and Column Aliases</a></dt><dt>in the select list, <a class="indexterm" href="queries-select-lists.html#QUERIES-COLUMN-LABELS">Column Labels</a></dt></dl></dd><dt id="ientry-idm5250">ALL, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a>, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a>, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dd><dl><dt>GROUP BY ALL, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt>SELECT ALL, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt></dl></dd><dt id="ientry-idm45922">allow_in_place_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45934">allow_system_table_mods configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm90761">ALTER AGGREGATE, <a class="indexterm" href="sql-alteraggregate.html">ALTER AGGREGATE</a></dt><dt id="ientry-idm90885">ALTER COLLATION, <a class="indexterm" href="sql-altercollation.html">ALTER COLLATION</a></dt><dt id="ientry-idm90979">ALTER CONVERSION, <a class="indexterm" href="sql-alterconversion.html">ALTER CONVERSION</a></dt><dt id="ientry-idm91049">ALTER DATABASE, <a class="indexterm" href="sql-alterdatabase.html">ALTER DATABASE</a></dt><dt id="ientry-idm91184">ALTER DEFAULT PRIVILEGES, <a class="indexterm" href="sql-alterdefaultprivileges.html">ALTER DEFAULT PRIVILEGES</a></dt><dt id="ientry-idm91287">ALTER DOMAIN, <a class="indexterm" href="sql-alterdomain.html">ALTER DOMAIN</a></dt><dt id="ientry-idm91487">ALTER EVENT TRIGGER, <a class="indexterm" href="sql-altereventtrigger.html">ALTER EVENT TRIGGER</a></dt><dt id="ientry-idm91546">ALTER EXTENSION, <a class="indexterm" href="sql-alterextension.html">ALTER EXTENSION</a></dt><dt id="ientry-idm91774">ALTER FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-alterforeigndatawrapper.html">ALTER FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm91881">ALTER FOREIGN TABLE, <a class="indexterm" href="sql-alterforeigntable.html">ALTER FOREIGN TABLE</a></dt><dt id="ientry-idm92216">ALTER FUNCTION, <a class="indexterm" href="sql-alterfunction.html">ALTER FUNCTION</a></dt><dt id="ientry-idm92466">ALTER GROUP, <a class="indexterm" href="sql-altergroup.html">ALTER GROUP</a></dt><dt id="ientry-idm92542">ALTER INDEX, <a class="indexterm" href="sql-alterindex.html">ALTER INDEX</a></dt><dt id="ientry-idm92724">ALTER LANGUAGE, <a class="indexterm" href="sql-alterlanguage.html">ALTER LANGUAGE</a></dt><dt id="ientry-idm92774">ALTER LARGE OBJECT, <a class="indexterm" href="sql-alterlargeobject.html">ALTER LARGE OBJECT</a></dt><dt id="ientry-idm92817">ALTER MATERIALIZED VIEW, <a class="indexterm" href="sql-altermaterializedview.html">ALTER MATERIALIZED VIEW</a></dt><dt id="ientry-idm92935">ALTER OPERATOR, <a class="indexterm" href="sql-alteroperator.html">ALTER OPERATOR</a></dt><dt id="ientry-idm93028">ALTER OPERATOR CLASS, <a class="indexterm" href="sql-alteropclass.html">ALTER OPERATOR CLASS</a></dt><dt id="ientry-idm93098">ALTER OPERATOR FAMILY, <a class="indexterm" href="sql-alteropfamily.html">ALTER OPERATOR FAMILY</a></dt><dt id="ientry-idm93271">ALTER POLICY, <a class="indexterm" href="sql-alterpolicy.html">ALTER POLICY</a></dt><dt id="ientry-idm93354">ALTER PROCEDURE, <a class="indexterm" href="sql-alterprocedure.html">ALTER PROCEDURE</a></dt><dt id="ientry-idm93533">ALTER PUBLICATION, <a class="indexterm" href="sql-alterpublication.html">ALTER PUBLICATION</a></dt><dt id="ientry-idm47891">ALTER ROLE, <a class="indexterm" href="role-attributes.html">Role Attributes</a>, <a class="indexterm" href="sql-alterrole.html">ALTER ROLE</a></dt><dt id="ientry-idm93899">ALTER ROUTINE, <a class="indexterm" href="sql-alterroutine.html">ALTER ROUTINE</a></dt><dt id="ientry-idm93979">ALTER RULE, <a class="indexterm" href="sql-alterrule.html">ALTER RULE</a></dt><dt id="ientry-idm94034">ALTER SCHEMA, <a class="indexterm" href="sql-alterschema.html">ALTER SCHEMA</a></dt><dt id="ientry-idm94089">ALTER SEQUENCE, <a class="indexterm" href="sql-altersequence.html">ALTER SEQUENCE</a></dt><dt id="ientry-idm94312">ALTER SERVER, <a class="indexterm" href="sql-alterserver.html">ALTER SERVER</a></dt><dt id="ientry-idm94395">ALTER STATISTICS, <a class="indexterm" href="sql-alterstatistics.html">ALTER STATISTICS</a></dt><dt id="ientry-idm94470">ALTER SUBSCRIPTION, <a class="indexterm" href="sql-altersubscription.html">ALTER SUBSCRIPTION</a></dt><dt id="ientry-idm94707">ALTER SYSTEM, <a class="indexterm" href="sql-altersystem.html">ALTER SYSTEM</a></dt><dt id="ientry-idm94787">ALTER TABLE, <a class="indexterm" href="sql-altertable.html">ALTER TABLE</a></dt><dt id="ientry-idm95727">ALTER TABLESPACE, <a class="indexterm" href="sql-altertablespace.html">ALTER TABLESPACE</a></dt><dt id="ientry-idm95806">ALTER TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-altertsconfig.html">ALTER TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm95917">ALTER TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-altertsdictionary.html">ALTER TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm96000">ALTER TEXT SEARCH PARSER, <a class="indexterm" href="sql-altertsparser.html">ALTER TEXT SEARCH PARSER</a></dt><dt id="ientry-idm96051">ALTER TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-altertstemplate.html">ALTER TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm96102">ALTER TRIGGER, <a class="indexterm" href="sql-altertrigger.html">ALTER TRIGGER</a></dt><dt id="ientry-idm96176">ALTER TYPE, <a class="indexterm" href="sql-altertype.html">ALTER TYPE</a></dt><dt id="ientry-idm96439">ALTER USER, <a class="indexterm" href="sql-alteruser.html">ALTER USER</a></dt><dt id="ientry-idm96491">ALTER USER MAPPING, <a class="indexterm" href="sql-alterusermapping.html">ALTER USER MAPPING</a></dt><dt id="ientry-idm96563">ALTER VIEW, <a class="indexterm" href="sql-alterview.html">ALTER VIEW</a></dt><dt id="ientry-idm167095">amcheck, <a class="indexterm" href="amcheck.html">amcheck — tools to verify table and index consistency</a></dt><dt id="ientry-idm51161">ANALYZE, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-STATISTICS">Updating Planner Statistics</a>, <a class="indexterm" href="sql-analyze.html">ANALYZE</a></dt><dt id="ientry-idm10439">AND (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm107403">anonymous code blocks, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm10205">any, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm25492">ANY, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm10209">anyarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10219">anycompatible, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10221">anycompatiblearray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10227">anycompatiblemultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10223">anycompatiblenonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10225">anycompatiblerange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10207">anyelement, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10213">anyenum, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10217">anymultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10211">anynonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10215">anyrange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24950">any_value, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm70396">applicable role, <a class="indexterm" href="infoschema-applicable-roles.html">applicable_roles</a></dt><dt id="ientry-idm43503">application_name configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm6310">arbitrary precision numbers, <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm90624">Archive Modules, <a class="indexterm" href="archive-modules.html">Archive Modules</a></dt><dt id="ientry-idm41805">archive_cleanup_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm41666">archive_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41692">archive_library configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41639">archive_mode configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41708">archive_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm19124">area, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm172693">armor, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-ARMOR">armor(), dearmor()</a></dt><dt id="ientry-idm2304">array, <a class="indexterm" href="arrays.html">Arrays</a></dt><dd><dl><dt>accessing, <a class="indexterm" href="arrays.html#ARRAYS-ACCESSING">Accessing Arrays</a></dt><dt>constant, <a class="indexterm" href="arrays.html#ARRAYS-INPUT">Array Value Input</a></dt><dt>constructor, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS">Array Constructors</a></dt><dt>declaration, <a class="indexterm" href="arrays.html#ARRAYS-DECLARATION">Declaration of Array Types</a></dt><dt>I/O, <a class="indexterm" href="arrays.html#ARRAYS-IO">Array Input and Output Syntax</a></dt><dt>modifying, <a class="indexterm" href="arrays.html#ARRAYS-MODIFYING">Modifying Arrays</a></dt><dt>of user-defined type, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dt>searching, <a class="indexterm" href="arrays.html#ARRAYS-SEARCHING">Searching in Arrays</a></dt></dl></dd><dt id="ientry-idm2307">ARRAY, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS">Array Constructors</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm24961">array_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="intagg.html#INTAGG-FUNCTIONS">Functions</a></dt><dt id="ientry-idm23850">array_append, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23866">array_cat, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23882">array_dims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23894">array_fill, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23913">array_length, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23932">array_lower, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23945">array_ndims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm45481">array_nulls configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm23957">array_position, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23975">array_positions, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23992">array_prepend, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24008">array_remove, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24023">array_replace, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24037">array_sample, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24061">array_shuffle, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm21918">array_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24073">array_to_string, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm20147">array_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm24097">array_upper, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm12648">ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm11881">asin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11893">asind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12114">asinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm84250">ASSERT</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt></dl></dd><dt id="ientry-idm84253">assertions</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt></dl></dd><dt id="ientry-idm58829">asynchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm18288">AT TIME ZONE, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT">AT TIME ZONE</a></dt><dt id="ientry-idm11905">atan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11929">atan2, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11946">atan2d, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11917">atand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12138">atanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm40261">authentication_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm167323">auth_delay, <a class="indexterm" href="auth-delay.html">auth_delay — pause on authentication failure</a></dt><dt id="ientry-idm167337">auth_delay.milliseconds configuration parameter, <a class="indexterm" href="auth-delay.html#AUTH-DELAY-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm6516">auto-increment (see <a href="#ientry-idm6506">serial</a>)</dt><dt id="ientry-idm35556">autocommit</dt><dd><dl><dt>bulk-loading data, <a class="indexterm" href="populate.html#DISABLE-AUTOCOMMIT">Disable Autocommit</a></dt><dt>psql, <a class="indexterm" href="app-psql.html#APP-PSQL-VARIABLES">Variables</a></dt></dl></dd><dt id="ientry-idm100804">autosummarize storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm44335">autovacuum</dt><dd><dl><dt>configuration parameters, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>general information, <a class="indexterm" href="routine-vacuuming.html#AUTOVACUUM">The Autovacuum Daemon</a></dt></dl></dd><dt id="ientry-idm44347">autovacuum configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44445">autovacuum_analyze_scale_factor</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44407">autovacuum_analyze_threshold</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm104505">autovacuum_enabled storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44458">autovacuum_freeze_max_age</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm104654">autovacuum_freeze_min_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm104680">autovacuum_freeze_table_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44360">autovacuum_max_workers configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44474">autovacuum_multixact_freeze_max_age</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm104691">autovacuum_multixact_freeze_min_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm104717">autovacuum_multixact_freeze_table_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44369">autovacuum_naptime configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44491">autovacuum_vacuum_cost_delay</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44504">autovacuum_vacuum_cost_limit</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44432">autovacuum_vacuum_insert_scale_factor</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44394">autovacuum_vacuum_insert_threshold</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44419">autovacuum_vacuum_scale_factor</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm44382">autovacuum_vacuum_threshold</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm40767">autovacuum_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm167351">auto_explain, <a class="indexterm" href="auto-explain.html">auto_explain — log execution plans of slow queries</a></dt><dt id="ientry-idm167397">auto_explain.log_analyze configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167412">auto_explain.log_buffers configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167484">auto_explain.log_format configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167499">auto_explain.log_level configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167372">auto_explain.log_min_duration configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167519">auto_explain.log_nested_statements configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167385">auto_explain.log_parameter_max_length configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167474">auto_explain.log_settings configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167438">auto_explain.log_timing configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167451">auto_explain.log_triggers configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167462">auto_explain.log_verbose configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167425">auto_explain.log_wal configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167529">auto_explain.sample_rate configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm170071">avals, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm24979">average, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24981">avg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></div><div class="indexdiv" id="indexdiv-B"><h3>B</h3><dl><dt id="ientry-idm31928">B-Tree (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm41046">backend_flush_after configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm89893">Background workers, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm1308">backslash escapes, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-ESCAPE">String Constants with C-Style Escapes</a></dt><dt id="ientry-idm45501">backslash_quote configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm45944">backtrace_functions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm29422">backup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a>, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm152535">Backup Manifest, <a class="indexterm" href="backup-manifest-format.html">Backup Manifest Format</a></dt><dt id="ientry-idm75942">base type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm14160">base64 format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm167549">basebackup_to_shell, <a class="indexterm" href="basebackup-to-shell.html">basebackup_to_shell — example "shell" pg_basebackup module</a></dt><dt id="ientry-idm167567">basebackup_to_shell.command configuration parameter, <a class="indexterm" href="basebackup-to-shell.html#BASEBACKUP-TO-SHELL-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167583">basebackup_to_shell.required_role configuration parameter, <a class="indexterm" href="basebackup-to-shell.html#BASEBACKUP-TO-SHELL-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm142367">BASE_BACKUP, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm167596">basic_archive, <a class="indexterm" href="basic-archive.html">basic_archive — an example WAL archive module</a></dt><dt id="ientry-idm167611">basic_archive.archive_directory configuration parameter, <a class="indexterm" href="basic-archive.html#BASIC-ARCHIVE-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm63100">batch mode, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a></dt></dl></dd><dt id="ientry-idm96890">BEGIN, <a class="indexterm" href="sql-begin.html">BEGIN</a></dt><dt id="ientry-idm10836">BETWEEN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10838">BETWEEN SYMMETRIC, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm89940">BGWORKER_BACKEND_DATABASE_CONNECTION, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm89933">BGWORKER_SHMEM_ACCESS, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm40985">bgwriter_delay configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm41022">bgwriter_flush_after configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm40999">bgwriter_lru_maxpages configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm41009">bgwriter_lru_multiplier configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm1495">bigint, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a>, <a class="indexterm" href="datatype-numeric.html#DATATYPE-INT">Integer Types</a></dt><dt id="ientry-idm6508">bigserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6800">binary data, <a class="indexterm" href="datatype-binary.html">Binary Data Types</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dd><dl><dt>functions, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt></dl></dd><dt id="ientry-idm13596">binary string</dt><dd><dl><dt>concatenation, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt>converting to character string, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt>length, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt></dl></dd><dt id="ientry-idm36170">bison, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm1441">bit string, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-BIT-STRINGS">Bit-String Constants</a>, <a class="indexterm" href="datatype-bit.html">Bit String Types</a></dt><dd><dl><dt>constant, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-BIT-STRINGS">Bit-String Constants</a></dt><dt>data type, <a class="indexterm" href="datatype-bit.html">Bit String Types</a></dt><dt>length, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt></dl></dd><dt id="ientry-idm14202">bit strings, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dd><dl><dt>functions, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt></dl></dd><dt id="ientry-idm32112">bitmap scan, <a class="indexterm" href="indexes-bitmap-scans.html">Combining Multiple Indexes</a>, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm25015">bit_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13816">bit_count, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm12257">bit_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm25037">bit_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25059">bit_xor, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm65217">BLOB (see <a href="#ientry-idm65215">large object</a>)</dt><dt id="ientry-idm45704">block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm167629">bloom, <a class="indexterm" href="bloom.html">bloom — bloom filter index access method</a></dt><dt id="ientry-idm40170">bonjour configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40180">bonjour_name configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm7921">Boolean, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dd><dl><dt>data type, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt>operators (see operators, logical)</dt></dl></dd><dt id="ientry-idm25081">bool_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25091">bool_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38595">booting</dt><dd><dl><dt>starting the server during, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm19358">bound_box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19315">box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm8197">box (data type), <a class="indexterm" href="datatype-geometric.html#DATATYPE-GEOMETRIC-BOXES">Boxes</a></dt><dt id="ientry-idm6644">bpchar, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm32020">BRIN (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm30541">brin_desummarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm171899">brin_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm171919">brin_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm171888">brin_page_type, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm171909">brin_revmap_data, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm30518">brin_summarize_new_values, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm30528">brin_summarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm19765">broadcast, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm47680">BSD Authentication, <a class="indexterm" href="auth-bsd.html">BSD Authentication</a></dt><dt id="ientry-idm167711">btree_gin, <a class="indexterm" href="btree-gin.html">btree_gin — GIN operator classes with B-tree behavior</a></dt><dt id="ientry-idm167758">btree_gist, <a class="indexterm" href="btree-gist.html">btree_gist — GiST operator classes with B-tree behavior</a></dt><dt id="ientry-idm12214">btrim, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm167116">bt_index_check, <a class="indexterm" href="amcheck.html#AMCHECK-FUNCTIONS">Functions</a></dt><dt id="ientry-idm167135">bt_index_parent_check, <a class="indexterm" href="amcheck.html#AMCHECK-FUNCTIONS">Functions</a></dt><dt id="ientry-idm171809">bt_metap, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm171827">bt_multi_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm171841">bt_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm171818">bt_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm100740">buffering storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm6802">bytea, <a class="indexterm" href="datatype-binary.html">Binary Data Types</a></dt><dt id="ientry-idm44975">bytea_output configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></div><div class="indexdiv" id="indexdiv-C"><h3>C</h3><dl><dt id="ientry-idm60277">C, <a class="indexterm" href="libpq.html">libpq — C Library</a>, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dt id="ientry-idm77586">C++, <a class="indexterm" href="xfunc-c.html#EXTEND-CPP">Using C++ for Extensibility</a></dt><dt id="ientry-idm96977">CALL, <a class="indexterm" href="sql-call.html">CALL</a></dt><dt id="ientry-idm63357">canceling, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dd><dl><dt>SQL command, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt></dl></dd><dt id="ientry-idm24110">cardinality, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm2804">CASCADE, <a class="indexterm" href="ddl-depend.html">Dependency Tracking</a></dt><dd><dl><dt>with DROP, <a class="indexterm" href="ddl-depend.html">Dependency Tracking</a></dt><dt>foreign key action, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt></dl></dd><dt id="ientry-idm52624">Cascading Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm23589">CASE, <a class="indexterm" href="functions-conditional.html">Conditional Expressions</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm1227">case sensitivity</dt><dd><dl><dt>of SQL commands, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt></dl></dd><dt id="ientry-idm98834">cast, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt><dd><dl><dt>I/O conversion, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt></dl></dd><dt id="ientry-idm11267">cbrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11279">ceil, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11298">ceiling, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19141">center, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47633">Certificate, <a class="indexterm" href="auth-cert.html">Certificate Authentication</a></dt><dt id="ientry-idm84081">chained transactions, <a class="indexterm" href="plpgsql-transactions.html#PLPGSQL-TRANSACTION-CHAIN">Transaction Management</a>, <a class="indexterm" href="sql-commit.html#SQL-COMMIT-CHAIN">Parameters</a>, <a class="indexterm" href="sql-rollback.html#SQL-ROLLBACK-CHAIN">Parameters</a></dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-transactions.html#PLPGSQL-TRANSACTION-CHAIN">Transaction Management</a></dt></dl></dd><dt id="ientry-idm6640">char, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm6634">character, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm45180">character set, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a>, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a>, <a class="indexterm" href="multibyte.html">Character Set Support</a></dt><dt id="ientry-idm1285">character string, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS">String Constants</a>, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dd><dl><dt>concatenation, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt>constant, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS">String Constants</a></dt><dt>converting to binary string, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt>data types, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt>length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt>prefix test, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt></dl></dd><dt id="ientry-idm6636">character varying, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm12283">character_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12270">char_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm2639">check constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt id="ientry-idm106735">CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm58875">checkpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm97045">CHECKPOINT, <a class="indexterm" href="sql-checkpoint.html">CHECKPOINT</a></dt><dt id="ientry-idm41570">checkpoint_completion_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41580">checkpoint_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41559">checkpoint_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41598">checkpoint_warning configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm58786">checksums, <a class="indexterm" href="checksums.html">Data Checksums</a></dt><dt id="ientry-idm44685">check_function_bodies configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm12662">chr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm9973">cid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm8369">cidr, <a class="indexterm" href="datatype-net-types.html#DATATYPE-CIDR">cidr</a></dt><dt id="ientry-idm8284">circle, <a class="indexterm" href="datatype-geometric.html#DATATYPE-CIRCLE">Circles</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm167832">citext, <a class="indexterm" href="citext.html">citext — a case-insensitive character string type</a></dt><dt id="ientry-idm40258">client authentication, <a class="indexterm" href="client-authentication.html">Client Authentication</a></dt><dd><dl><dt>timeout during, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt></dl></dd><dt id="ientry-idm40235">client_connection_check_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm45177">client_encoding configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm44522">client_min_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17296">clock_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm97077">CLOSE, <a class="indexterm" href="sql-close.html">CLOSE</a></dt><dt id="ientry-idm622">cluster</dt><dd><dl><dt>of databases (see <a href="#ientry-idm620">database cluster</a>)</dt></dl></dd><dt id="ientry-idm97147">CLUSTER, <a class="indexterm" href="sql-cluster.html">CLUSTER</a></dt><dt id="ientry-idm116612">clusterdb, <a class="indexterm" href="app-clusterdb.html">clusterdb</a></dt><dt id="ientry-idm52203">clustering, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm44143">cluster_name configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-PROC-TITLE">Process Title</a></dt><dt id="ientry-idm2919">cmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2905">cmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm23666">COALESCE, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm2267">COLLATE, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-COLLATE-EXPRS">Collation Expressions</a></dt><dt id="ientry-idm48671">collation, <a class="indexterm" href="collation.html">Collation Support</a></dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-declarations.html#PLPGSQL-DECLARATION-COLLATION">Collation of PL/pgSQL Variables</a></dt><dt>in SQL functions, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-COLLATIONS">SQL Functions with Collations</a></dt></dl></dd><dt id="ientry-idm28150">COLLATION FOR, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm179519">color, <a class="indexterm" href="color.html">Color Support</a></dt><dt id="ientry-idm615">column, <a class="indexterm" href="tutorial-concepts.html">Concepts</a>, <a class="indexterm" href="ddl-basics.html">Table Basics</a></dt><dd><dl><dt>adding, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-ADDING-A-COLUMN">Adding a Column</a></dt><dt>removing, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-REMOVING-A-COLUMN">Removing a Column</a></dt><dt>renaming, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-RENAMING-COLUMN">Renaming a Column</a></dt><dt>system column, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt></dl></dd><dt id="ientry-idm3033">column data type</dt><dd><dl><dt>changing, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-COLUMN-TYPE">Changing a Column's Data Type</a></dt></dl></dd><dt id="ientry-idm1821">column reference, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-COLUMN-REFS">Column References</a></dt><dt id="ientry-idm28549">col_description, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt id="ientry-idm1611">comment, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-COMMENTS">Comments</a></dt><dd><dl><dt>about database objects, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt>in SQL, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-COMMENTS">Comments</a></dt></dl></dd><dt id="ientry-idm97276">COMMENT, <a class="indexterm" href="sql-comment.html">COMMENT</a></dt><dt id="ientry-idm97513">COMMIT, <a class="indexterm" href="sql-commit.html">COMMIT</a></dt><dt id="ientry-idm97571">COMMIT PREPARED, <a class="indexterm" href="sql-commit-prepared.html">COMMIT PREPARED</a></dt><dt id="ientry-idm41527">commit_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41546">commit_siblings configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm5615">common table expression (see <a href="#ientry-idm5612">WITH</a>)</dt><dt id="ientry-idm10535">comparison, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a>, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dd><dl><dt>composite type, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt>operators, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt>row constructor, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt>subquery result row, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt></dl></dd><dt id="ientry-idm65134">compiling, <a class="indexterm" href="libpq-build.html">Building libpq Programs</a></dt><dd><dl><dt>libpq applications, <a class="indexterm" href="libpq-build.html">Building libpq Programs</a></dt></dl></dd><dt id="ientry-idm2336">composite type, <a class="indexterm" href="rowtypes.html">Composite Types</a>, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dd><dl><dt>comparison, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt>constant, <a class="indexterm" href="rowtypes.html#ROWTYPES-CONSTRUCTING">Constructing Composite Values</a></dt><dt>constructor, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS">Row Constructors</a></dt></dl></dd><dt id="ientry-idm9657">computed field, <a class="indexterm" href="rowtypes.html#ROWTYPES-USAGE">Using Composite Types in Queries</a></dt><dt id="ientry-idm44282">compute_query_id configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm12677">concat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12692">concat_ws, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm34248">concurrency, <a class="indexterm" href="mvcc.html">Concurrency Control</a></dt><dt id="ientry-idm23591">conditional expression, <a class="indexterm" href="functions-conditional.html">Conditional Expressions</a></dt><dt id="ientry-idm29252">configuration</dt><dd><dl><dt>of recovery</dt><dd><dl><dt>general settings, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt>of a standby server, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt></dl></dd><dt>of the server, <a class="indexterm" href="runtime-config.html">Server Configuration</a></dt><dt>of the server</dt><dd><dl><dt>functions, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt></dl></dd></dl></dd><dt id="ientry-idm36221">configure, <a class="indexterm" href="install-make.html#CONFIGURE">Installation Procedure</a></dt><dt id="ientry-idm36920">configure environment variables, <a class="indexterm" href="install-make.html#CONFIGURE-ENVVARS">configure Environment Variables</a></dt><dt id="ientry-idm36325">configure options, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS">configure Options</a></dt><dt id="ientry-idm39970">config_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm10445">conjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm176159">connectby, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-SECT">Functions Provided</a>, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-CONNECTBY">connectby</a></dt><dt id="ientry-idm64737">connection service file, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm60738">conninfo, <a class="indexterm" href="libpq-connect.html#LIBPQ-CONNSTRING">Connection Strings</a></dt><dt id="ientry-idm1278">constant, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS">Constants</a></dt><dt id="ientry-idm2633">constraint, <a class="indexterm" href="ddl-constraints.html">Constraints</a></dt><dd><dl><dt>adding, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-ADDING-A-CONSTRAINT">Adding a Constraint</a></dt><dt>check, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt>exclusion, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION">Exclusion Constraints</a></dt><dt>foreign key, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt><dt>name, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt>NOT NULL, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-NOT-NULL">Not-Null Constraints</a></dt><dt>primary key, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-PRIMARY-KEYS">Primary Keys</a></dt><dt>removing, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-REMOVING-A-CONSTRAINT">Removing a Constraint</a></dt><dt>unique, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-UNIQUE-CONSTRAINTS">Unique Constraints</a></dt></dl></dd><dt id="ientry-idm4312">constraint exclusion, <a class="indexterm" href="ddl-partitioning.html#DDL-PARTITIONING-CONSTRAINT-EXCLUSION">Partitioning and Constraint Exclusion</a>, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm42875">constraint_exclusion configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm75952">container type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm83470">CONTINUE</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS-CONTINUE">CONTINUE</a></dt></dl></dd><dt id="ientry-idm51809">continuous archiving, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dd><dl><dt>in standby, <a class="indexterm" href="warm-standby.html#CONTINUOUS-ARCHIVING-IN-STANDBY">Continuous Archiving in Standby</a></dt></dl></dd><dt id="ientry-idm78889">control file, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-FILES">Extension Files</a></dt><dt id="ientry-idm14062">convert, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm14082">convert_from, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm14100">convert_to, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm689">COPY, <a class="indexterm" href="tutorial-populate.html">Populating a Table With Rows</a>, <a class="indexterm" href="libpq-copy.html">Functions Associated with the COPY Command</a>, <a class="indexterm" href="sql-copy.html">COPY</a></dt><dd><dl><dt>with libpq, <a class="indexterm" href="libpq-copy.html">Functions Associated with the COPY Command</a></dt></dl></dd><dt id="ientry-idm25545">corr, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25543">correlation, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dd><dl><dt>in the query planner, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-EXTENDED">Extended Statistics</a></dt></dl></dd><dt id="ientry-idm11963">cos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11975">cosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12090">cosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11987">cot, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11999">cotd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25101">count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25558">covariance</dt><dd><dl><dt>population, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt>sample, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm25561">covar_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25577">covar_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm32268">covering index, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm42664">cpu_index_tuple_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm42673">cpu_operator_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm42655">cpu_tuple_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm98213">CREATE ACCESS METHOD, <a class="indexterm" href="sql-create-access-method.html">CREATE ACCESS METHOD</a></dt><dt id="ientry-idm98282">CREATE AGGREGATE, <a class="indexterm" href="sql-createaggregate.html">CREATE AGGREGATE</a></dt><dt id="ientry-idm98683">CREATE CAST, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt><dt id="ientry-idm98880">CREATE COLLATION, <a class="indexterm" href="sql-createcollation.html">CREATE COLLATION</a></dt><dt id="ientry-idm99027">CREATE CONVERSION, <a class="indexterm" href="sql-createconversion.html">CREATE CONVERSION</a></dt><dt id="ientry-idm48179">CREATE DATABASE, <a class="indexterm" href="manage-ag-createdb.html">Creating a Database</a>, <a class="indexterm" href="sql-createdatabase.html">CREATE DATABASE</a></dt><dt id="ientry-idm99379">CREATE DOMAIN, <a class="indexterm" href="sql-createdomain.html">CREATE DOMAIN</a></dt><dt id="ientry-idm99504">CREATE EVENT TRIGGER, <a class="indexterm" href="sql-createeventtrigger.html">CREATE EVENT TRIGGER</a></dt><dt id="ientry-idm99590">CREATE EXTENSION, <a class="indexterm" href="sql-createextension.html">CREATE EXTENSION</a></dt><dt id="ientry-idm99698">CREATE FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-createforeigndatawrapper.html">CREATE FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm99795">CREATE FOREIGN TABLE, <a class="indexterm" href="sql-createforeigntable.html">CREATE FOREIGN TABLE</a></dt><dt id="ientry-idm100025">CREATE FUNCTION, <a class="indexterm" href="sql-createfunction.html">CREATE FUNCTION</a></dt><dt id="ientry-idm100461">CREATE GROUP, <a class="indexterm" href="sql-creategroup.html">CREATE GROUP</a></dt><dt id="ientry-idm100500">CREATE INDEX, <a class="indexterm" href="sql-createindex.html">CREATE INDEX</a></dt><dt id="ientry-idm100974">CREATE LANGUAGE, <a class="indexterm" href="sql-createlanguage.html">CREATE LANGUAGE</a></dt><dt id="ientry-idm101098">CREATE MATERIALIZED VIEW, <a class="indexterm" href="sql-creatematerializedview.html">CREATE MATERIALIZED VIEW</a></dt><dt id="ientry-idm101211">CREATE OPERATOR, <a class="indexterm" href="sql-createoperator.html">CREATE OPERATOR</a></dt><dt id="ientry-idm101370">CREATE OPERATOR CLASS, <a class="indexterm" href="sql-createopclass.html">CREATE OPERATOR CLASS</a></dt><dt id="ientry-idm101533">CREATE OPERATOR FAMILY, <a class="indexterm" href="sql-createopfamily.html">CREATE OPERATOR FAMILY</a></dt><dt id="ientry-idm101592">CREATE POLICY, <a class="indexterm" href="sql-createpolicy.html">CREATE POLICY</a></dt><dt id="ientry-idm101996">CREATE PROCEDURE, <a class="indexterm" href="sql-createprocedure.html">CREATE PROCEDURE</a></dt><dt id="ientry-idm102202">CREATE PUBLICATION, <a class="indexterm" href="sql-createpublication.html">CREATE PUBLICATION</a></dt><dt id="ientry-idm47727">CREATE ROLE, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="sql-createrole.html">CREATE ROLE</a></dt><dt id="ientry-idm102704">CREATE RULE, <a class="indexterm" href="sql-createrule.html">CREATE RULE</a></dt><dt id="ientry-idm102879">CREATE SCHEMA, <a class="indexterm" href="sql-createschema.html">CREATE SCHEMA</a></dt><dt id="ientry-idm102991">CREATE SEQUENCE, <a class="indexterm" href="sql-createsequence.html">CREATE SEQUENCE</a></dt><dt id="ientry-idm103201">CREATE SERVER, <a class="indexterm" href="sql-createserver.html">CREATE SERVER</a></dt><dt id="ientry-idm103293">CREATE STATISTICS, <a class="indexterm" href="sql-createstatistics.html">CREATE STATISTICS</a></dt><dt id="ientry-idm103396">CREATE SUBSCRIPTION, <a class="indexterm" href="sql-createsubscription.html">CREATE SUBSCRIPTION</a></dt><dt id="ientry-idm630">CREATE TABLE, <a class="indexterm" href="tutorial-table.html">Creating a New Table</a>, <a class="indexterm" href="sql-createtable.html">CREATE TABLE</a></dt><dt id="ientry-idm104963">CREATE TABLE AS, <a class="indexterm" href="sql-createtableas.html">CREATE TABLE AS</a></dt><dt id="ientry-idm48358">CREATE TABLESPACE, <a class="indexterm" href="manage-ag-tablespaces.html">Tablespaces</a>, <a class="indexterm" href="sql-createtablespace.html">CREATE TABLESPACE</a></dt><dt id="ientry-idm105271">CREATE TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-createtsconfig.html">CREATE TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm105330">CREATE TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-createtsdictionary.html">CREATE TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm105393">CREATE TEXT SEARCH PARSER, <a class="indexterm" href="sql-createtsparser.html">CREATE TEXT SEARCH PARSER</a></dt><dt id="ientry-idm105466">CREATE TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-createtstemplate.html">CREATE TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm105522">CREATE TRANSFORM, <a class="indexterm" href="sql-createtransform.html">CREATE TRANSFORM</a></dt><dt id="ientry-idm105622">CREATE TRIGGER, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dt id="ientry-idm106026">CREATE TYPE, <a class="indexterm" href="sql-createtype.html">CREATE TYPE</a></dt><dt id="ientry-idm106508">CREATE USER, <a class="indexterm" href="sql-createuser.html">CREATE USER</a></dt><dt id="ientry-idm106553">CREATE USER MAPPING, <a class="indexterm" href="sql-createusermapping.html">CREATE USER MAPPING</a></dt><dt id="ientry-idm106625">CREATE VIEW, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm432">createdb, <a class="indexterm" href="tutorial-createdb.html">Creating a Database</a>, <a class="indexterm" href="manage-ag-createdb.html">Creating a Database</a>, <a class="indexterm" href="app-createdb.html">createdb</a></dt><dt id="ientry-idm45042">createrole_self_grant</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm100386">createrole_self_grant configuration parameter</dt><dd><dl><dt>use in securing functions, <a class="indexterm" href="sql-createfunction.html#SQL-CREATEFUNCTION-SECURITY">Writing SECURITY DEFINER Functions Safely</a></dt></dl></dd><dt id="ientry-idm47742">createuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-createuser.html">createuser</a></dt><dt id="ientry-idm142039">CREATE_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm36775">cross compilation, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm4676">cross join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm176197">crosstab, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-CROSSTAB-TEXT">crosstab(text)</a>, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-CROSSTAB-N-TEXT">crosstabN(text)</a>, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-CROSSTAB-TEXT-2">crosstab(text, text)</a></dt><dt id="ientry-idm172417">crypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PASSWORD-HASHING-FUNCS-CRYPT">crypt()</a></dt><dt id="ientry-idm10247">cstring, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm125952">CSV (Comma-Separated Values) format</dt><dd><dl><dt>in psql, <a class="indexterm" href="app-psql.html#APP-PSQL-META-COMMANDS">Meta-Commands</a></dt></dl></dd><dt id="ientry-idm2926">ctid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm81754">CTID, <a class="indexterm" href="rules-views.html#RULES-VIEWS-NON-SELECT">View Rules in Non-SELECT Statements</a></dt><dt id="ientry-idm5194">CUBE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm167982">cube (extension), <a class="indexterm" href="cube.html">cube — a multi-dimensional cube data type</a></dt><dt id="ientry-idm26021">cume_dist, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dd><dl><dt>hypothetical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm26789">current_catalog, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26794">current_database, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm17308">current_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26931">current_logfiles</dt><dd><dl><dt>and the log_destination configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt>and the pg_current_logfile function, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt></dl></dd><dt id="ientry-idm26804">current_query, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26812">current_role, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26821">current_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26835">current_schemas, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29271">current_setting, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm17320">current_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17343">current_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26851">current_user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm23538">currval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm83805">cursor, <a class="indexterm" href="plpgsql-cursors.html">Cursors</a>, <a class="indexterm" href="sql-close.html">CLOSE</a>, <a class="indexterm" href="sql-declare.html">DECLARE</a>, <a class="indexterm" href="sql-explain.html">EXPLAIN</a>, <a class="indexterm" href="sql-fetch.html">FETCH</a>, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dd><dl><dt>CLOSE, <a class="indexterm" href="sql-close.html">CLOSE</a></dt><dt>DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt>FETCH, <a class="indexterm" href="sql-fetch.html">FETCH</a></dt><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-cursors.html">Cursors</a></dt><dt>MOVE, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dt>showing the query plan, <a class="indexterm" href="sql-explain.html">EXPLAIN</a></dt></dl></dd><dt id="ientry-idm42899">cursor_tuple_fraction configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm146416">custom scan provider, <a class="indexterm" href="custom-scan.html">Writing a Custom Scan Provider</a></dt><dd><dl><dt>handler for, <a class="indexterm" href="custom-scan.html">Writing a Custom Scan Provider</a></dt></dl></dd><dt id="ientry-idm37917">Cygwin, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-CYGWIN">Cygwin</a></dt><dd><dl><dt>installation on, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-CYGWIN">Cygwin</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-D"><h3>D</h3><dl><dt id="ientry-idm169694">daitch_mokotoff, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DAITCH-MOKOTOFF">Daitch-Mokotoff Soundex</a></dt><dt id="ientry-idm38421">data area (see <a href="#ientry-idm620">database cluster</a>)</dt><dt id="ientry-idm52205">data partitioning, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm1513">data type, <a class="indexterm" href="datatype.html">Data Types</a>, <a class="indexterm" href="datatype-numeric.html">Numeric Types</a>, <a class="indexterm" href="datatype-enum.html">Enumerated Types</a>, <a class="indexterm" href="domains.html">Domain Types</a>, <a class="indexterm" href="typeconv.html">Type Conversion</a>, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a>, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a>, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a>, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a>, <a class="indexterm" href="xfunc-c.html#XFUNC-C-BASETYPE">Base Types in C-Language Functions</a>, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dd><dl><dt>base, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt>category, <a class="indexterm" href="typeconv-overview.html">Overview</a></dt><dt>composite, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt>constant, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-GENERIC">Constants of Other Types</a></dt><dt>container, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt>conversion, <a class="indexterm" href="typeconv.html">Type Conversion</a></dt><dt>domain, <a class="indexterm" href="domains.html">Domain Types</a></dt><dt>enumerated (enum), <a class="indexterm" href="datatype-enum.html">Enumerated Types</a></dt><dt>internal organization, <a class="indexterm" href="xfunc-c.html#XFUNC-C-BASETYPE">Base Types in C-Language Functions</a></dt><dt>numeric, <a class="indexterm" href="datatype-numeric.html">Numeric Types</a></dt><dt>polymorphic, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt>type cast, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS">Type Casts</a></dt><dt>user-defined, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt></dl></dd><dt id="ientry-idm429">database, <a class="indexterm" href="tutorial-createdb.html">Creating a Database</a>, <a class="indexterm" href="managing-databases.html">Managing Databases</a></dt><dd><dl><dt>creating, <a class="indexterm" href="tutorial-createdb.html">Creating a Database</a></dt><dt>privilege to create, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt></dl></dd><dt id="ientry-idm53118">database activity, <a class="indexterm" href="monitoring.html">Monitoring Database Activity</a></dt><dd><dl><dt>monitoring, <a class="indexterm" href="monitoring.html">Monitoring Database Activity</a></dt></dl></dd><dt id="ientry-idm620">database cluster, <a class="indexterm" href="tutorial-concepts.html">Concepts</a>, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt><dt id="ientry-idm45717">data_checksums configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39961">data_directory configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm45727">data_directory_mode configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45665">data_sync_retry configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm6987">date, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-DATES">Dates</a></dt><dd><dl><dt>constants, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-SPECIAL-VALUES">Special Values</a></dt><dt>current, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-CURRENT">Current Date/Time</a></dt><dt>output format, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-OUTPUT">Date/Time Output</a></dt><dd><dl><dt>(see also <a href="#ientry-idm16050">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm45067">DateStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm17366">date_add, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm18250">date_bin, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-BIN">date_bin</a></dt><dt id="ientry-idm17400">date_part, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a>, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT">EXTRACT, date_part</a></dt><dt id="ientry-idm17428">date_subtract, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17449">date_trunc, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a>, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-TRUNC">date_trunc</a></dt><dt id="ientry-idm168407">dblink, <a class="indexterm" href="dblink.html">dblink — connect to other PostgreSQL databases</a>, <a class="indexterm" href="contrib-dblink-function.html">dblink</a></dt><dt id="ientry-idm169152">dblink_build_sql_delete, <a class="indexterm" href="contrib-dblink-build-sql-delete.html">dblink_build_sql_delete</a></dt><dt id="ientry-idm169091">dblink_build_sql_insert, <a class="indexterm" href="contrib-dblink-build-sql-insert.html">dblink_build_sql_insert</a></dt><dt id="ientry-idm169208">dblink_build_sql_update, <a class="indexterm" href="contrib-dblink-build-sql-update.html">dblink_build_sql_update</a></dt><dt id="ientry-idm169025">dblink_cancel_query, <a class="indexterm" href="contrib-dblink-cancel-query.html">dblink_cancel_query</a></dt><dt id="ientry-idm168764">dblink_close, <a class="indexterm" href="contrib-dblink-close.html">dblink_close</a></dt><dt id="ientry-idm168415">dblink_connect, <a class="indexterm" href="contrib-dblink-connect.html">dblink_connect</a></dt><dt id="ientry-idm168472">dblink_connect_u, <a class="indexterm" href="contrib-dblink-connect-u.html">dblink_connect_u</a></dt><dt id="ientry-idm168499">dblink_disconnect, <a class="indexterm" href="contrib-dblink-disconnect.html">dblink_disconnect</a></dt><dt id="ientry-idm168835">dblink_error_message, <a class="indexterm" href="contrib-dblink-error-message.html">dblink_error_message</a></dt><dt id="ientry-idm168598">dblink_exec, <a class="indexterm" href="contrib-dblink-exec.html">dblink_exec</a></dt><dt id="ientry-idm168712">dblink_fetch, <a class="indexterm" href="contrib-dblink-fetch.html">dblink_fetch</a></dt><dt id="ientry-idm168813">dblink_get_connections, <a class="indexterm" href="contrib-dblink-get-connections.html">dblink_get_connections</a></dt><dt id="ientry-idm168941">dblink_get_notify, <a class="indexterm" href="contrib-dblink-get-notify.html">dblink_get_notify</a></dt><dt id="ientry-idm169056">dblink_get_pkey, <a class="indexterm" href="contrib-dblink-get-pkey.html">dblink_get_pkey</a></dt><dt id="ientry-idm168975">dblink_get_result, <a class="indexterm" href="contrib-dblink-get-result.html">dblink_get_result</a></dt><dt id="ientry-idm168911">dblink_is_busy, <a class="indexterm" href="contrib-dblink-is-busy.html">dblink_is_busy</a></dt><dt id="ientry-idm168649">dblink_open, <a class="indexterm" href="contrib-dblink-open.html">dblink_open</a></dt><dt id="ientry-idm168872">dblink_send_query, <a class="indexterm" href="contrib-dblink-send-query.html">dblink_send_query</a></dt><dt id="ientry-idm40336">db_user_namespace configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm34969">deadlock, <a class="indexterm" href="explicit-locking.html#LOCKING-DEADLOCKS">Deadlocks</a></dt><dd><dl><dt>timeout during, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt></dl></dd><dt id="ientry-idm45417">deadlock_timeout configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm106924">DEALLOCATE, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a></dt><dt id="ientry-idm172695">dearmor, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-ARMOR">armor(), dearmor()</a></dt><dt id="ientry-idm45739">debug_assertions configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm46156">debug_deadlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45956">debug_discard_caches configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45975">debug_io_direct configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46356">debug_logical_replication_streaming configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45993">debug_parallel_query configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43542">debug_pretty_print configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43518">debug_print_parse configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43530">debug_print_plan configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43524">debug_print_rewritten configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm6312">decimal (see <a href="#ientry-idm1497">numeric</a>)</dt><dt id="ientry-idm106975">DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt id="ientry-idm14140">decode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm85847">decode_bytea</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm172819">decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm172823">decrypt_iv, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm100718">deduplicate_items storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm2541">default value, <a class="indexterm" href="ddl-default.html">Default Values</a></dt><dd><dl><dt>changing, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-COLUMN-DEFAULT">Changing a Column's Default Value</a></dt></dl></dd><dt id="ientry-idm179619">default-roles, <a class="indexterm" href="default-roles.html">Default Roles Renamed to Predefined Roles</a></dt><dt id="ientry-idm42860">default_statistics_target configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm44620">default_tablespace configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44608">default_table_access_method configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm45260">default_text_search_config configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm44643">default_toast_compression configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44737">default_transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44702">default_transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44722">default_transaction_read_only configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44734">deferrable transaction, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dd><dl><dt>setting, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt>setting default, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm170232">defined, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm11315">degrees, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm18448">delay, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm910">DELETE, <a class="indexterm" href="tutorial-delete.html">Deletions</a>, <a class="indexterm" href="dml-delete.html">Deleting Data</a>, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a>, <a class="indexterm" href="sql-delete.html">DELETE</a></dt><dd><dl><dt>RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt></dl></dd><dt id="ientry-idm170247">delete, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm4518">deleting, <a class="indexterm" href="dml-delete.html">Deleting Data</a></dt><dt id="ientry-idm25992">dense_rank, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dd><dl><dt>hypothetical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm19155">diagonal, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19168">diameter, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm169272">dict_int, <a class="indexterm" href="dict-int.html">dict_int —
   example full-text search dictionary for integers</a></dt><dt id="ientry-idm169317">dict_xsyn, <a class="indexterm" href="dict-xsyn.html">dict_xsyn — example synonym full-text search dictionary</a></dt><dt id="ientry-idm169673">difference, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-SOUNDEX">Soundex</a></dt><dt id="ientry-idm172317">digest, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-GENERAL-HASHING-FUNCS-DIGEST">digest()</a></dt><dt id="ientry-idm34287">dirty read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm107346">DISCARD, <a class="indexterm" href="sql-discard.html">DISCARD</a></dt><dt id="ientry-idm10447">disjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm59050">disk drive, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm51112">disk space, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-SPACE-RECOVERY">Recovering Disk Space</a></dt><dt id="ientry-idm58649">disk usage, <a class="indexterm" href="disk-usage.html">Determining Disk Usage</a></dt><dt id="ientry-idm737">DISTINCT, <a class="indexterm" href="tutorial-select.html">Querying a Table</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a>, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt><dd><dl><dt>GROUP BY DISTINCT, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt>SELECT DISTINCT, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt></dl></dd><dt id="ientry-idm11327">div, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm169751">dmetaphone, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DOUBLE-METAPHONE">Double Metaphone</a></dt><dt id="ientry-idm169753">dmetaphone_alt, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DOUBLE-METAPHONE">Double Metaphone</a></dt><dt id="ientry-idm107401">DO, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm32548">document, <a class="indexterm" href="textsearch-intro.html#TEXTSEARCH-DOCUMENT">What Is a Document?</a></dt><dd><dl><dt>text search, <a class="indexterm" href="textsearch-intro.html#TEXTSEARCH-DOCUMENT">What Is a Document?</a></dt></dl></dd><dt id="ientry-idm1419">dollar quoting, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-DOLLAR-QUOTING">Dollar-Quoted String Constants</a></dt><dt id="ientry-idm9923">domain, <a class="indexterm" href="domains.html">Domain Types</a></dt><dt id="ientry-idm6419">double precision, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm107465">DROP ACCESS METHOD, <a class="indexterm" href="sql-drop-access-method.html">DROP ACCESS METHOD</a></dt><dt id="ientry-idm107521">DROP AGGREGATE, <a class="indexterm" href="sql-dropaggregate.html">DROP AGGREGATE</a></dt><dt id="ientry-idm107621">DROP CAST, <a class="indexterm" href="sql-dropcast.html">DROP CAST</a></dt><dt id="ientry-idm107680">DROP COLLATION, <a class="indexterm" href="sql-dropcollation.html">DROP COLLATION</a></dt><dt id="ientry-idm107740">DROP CONVERSION, <a class="indexterm" href="sql-dropconversion.html">DROP CONVERSION</a></dt><dt id="ientry-idm48329">DROP DATABASE, <a class="indexterm" href="manage-ag-dropdb.html">Destroying a Database</a>, <a class="indexterm" href="sql-dropdatabase.html">DROP DATABASE</a></dt><dt id="ientry-idm107856">DROP DOMAIN, <a class="indexterm" href="sql-dropdomain.html">DROP DOMAIN</a></dt><dt id="ientry-idm107914">DROP EVENT TRIGGER, <a class="indexterm" href="sql-dropeventtrigger.html">DROP EVENT TRIGGER</a></dt><dt id="ientry-idm107971">DROP EXTENSION, <a class="indexterm" href="sql-dropextension.html">DROP EXTENSION</a></dt><dt id="ientry-idm108037">DROP FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-dropforeigndatawrapper.html">DROP FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm108096">DROP FOREIGN TABLE, <a class="indexterm" href="sql-dropforeigntable.html">DROP FOREIGN TABLE</a></dt><dt id="ientry-idm108155">DROP FUNCTION, <a class="indexterm" href="sql-dropfunction.html">DROP FUNCTION</a></dt><dt id="ientry-idm108257">DROP GROUP, <a class="indexterm" href="sql-dropgroup.html">DROP GROUP</a></dt><dt id="ientry-idm108285">DROP INDEX, <a class="indexterm" href="sql-dropindex.html">DROP INDEX</a></dt><dt id="ientry-idm108356">DROP LANGUAGE, <a class="indexterm" href="sql-droplanguage.html">DROP LANGUAGE</a></dt><dt id="ientry-idm108421">DROP MATERIALIZED VIEW, <a class="indexterm" href="sql-dropmaterializedview.html">DROP MATERIALIZED VIEW</a></dt><dt id="ientry-idm108481">DROP OPERATOR, <a class="indexterm" href="sql-dropoperator.html">DROP OPERATOR</a></dt><dt id="ientry-idm108558">DROP OPERATOR CLASS, <a class="indexterm" href="sql-dropopclass.html">DROP OPERATOR CLASS</a></dt><dt id="ientry-idm108634">DROP OPERATOR FAMILY, <a class="indexterm" href="sql-dropopfamily.html">DROP OPERATOR FAMILY</a></dt><dt id="ientry-idm108707">DROP OWNED, <a class="indexterm" href="sql-drop-owned.html">DROP OWNED</a></dt><dt id="ientry-idm108769">DROP POLICY, <a class="indexterm" href="sql-droppolicy.html">DROP POLICY</a></dt><dt id="ientry-idm108832">DROP PROCEDURE, <a class="indexterm" href="sql-dropprocedure.html">DROP PROCEDURE</a></dt><dt id="ientry-idm108951">DROP PUBLICATION, <a class="indexterm" href="sql-droppublication.html">DROP PUBLICATION</a></dt><dt id="ientry-idm47729">DROP ROLE, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="sql-droprole.html">DROP ROLE</a></dt><dt id="ientry-idm109068">DROP ROUTINE, <a class="indexterm" href="sql-droproutine.html">DROP ROUTINE</a></dt><dt id="ientry-idm109142">DROP RULE, <a class="indexterm" href="sql-droprule.html">DROP RULE</a></dt><dt id="ientry-idm109206">DROP SCHEMA, <a class="indexterm" href="sql-dropschema.html">DROP SCHEMA</a></dt><dt id="ientry-idm109270">DROP SEQUENCE, <a class="indexterm" href="sql-dropsequence.html">DROP SEQUENCE</a></dt><dt id="ientry-idm109330">DROP SERVER, <a class="indexterm" href="sql-dropserver.html">DROP SERVER</a></dt><dt id="ientry-idm109389">DROP STATISTICS, <a class="indexterm" href="sql-dropstatistics.html">DROP STATISTICS</a></dt><dt id="ientry-idm109441">DROP SUBSCRIPTION, <a class="indexterm" href="sql-dropsubscription.html">DROP SUBSCRIPTION</a></dt><dt id="ientry-idm668">DROP TABLE, <a class="indexterm" href="tutorial-table.html">Creating a New Table</a>, <a class="indexterm" href="sql-droptable.html">DROP TABLE</a></dt><dt id="ientry-idm109571">DROP TABLESPACE, <a class="indexterm" href="sql-droptablespace.html">DROP TABLESPACE</a></dt><dt id="ientry-idm109625">DROP TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-droptsconfig.html">DROP TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm109684">DROP TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-droptsdictionary.html">DROP TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm109742">DROP TEXT SEARCH PARSER, <a class="indexterm" href="sql-droptsparser.html">DROP TEXT SEARCH PARSER</a></dt><dt id="ientry-idm109800">DROP TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-droptstemplate.html">DROP TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm109858">DROP TRANSFORM, <a class="indexterm" href="sql-droptransform.html">DROP TRANSFORM</a></dt><dt id="ientry-idm109923">DROP TRIGGER, <a class="indexterm" href="sql-droptrigger.html">DROP TRIGGER</a></dt><dt id="ientry-idm109988">DROP TYPE, <a class="indexterm" href="sql-droptype.html">DROP TYPE</a></dt><dt id="ientry-idm110048">DROP USER, <a class="indexterm" href="sql-dropuser.html">DROP USER</a></dt><dt id="ientry-idm110077">DROP USER MAPPING, <a class="indexterm" href="sql-dropusermapping.html">DROP USER MAPPING</a></dt><dt id="ientry-idm110138">DROP VIEW, <a class="indexterm" href="sql-dropview.html">DROP VIEW</a></dt><dt id="ientry-idm48339">dropdb, <a class="indexterm" href="manage-ag-dropdb.html">Destroying a Database</a>, <a class="indexterm" href="app-dropdb.html">dropdb</a></dt><dt id="ientry-idm47744">dropuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-dropuser.html">dropuser</a></dt><dt id="ientry-idm142348">DROP_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm8725">DTD, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm36894">DTrace, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-DEVEL">Developer Options</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-DEVEL">Developer Options</a>, <a class="indexterm" href="dynamic-trace.html">Dynamic Tracing</a></dt><dt id="ientry-idm739">duplicate, <a class="indexterm" href="tutorial-select.html">Querying a Table</a></dt><dt id="ientry-idm5362">duplicates, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt><dt id="ientry-idm45374">dynamic loading, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a>, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm76816">dynamic_library_path, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm45371">dynamic_library_path configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a></dt><dt id="ientry-idm40849">dynamic_shared_memory_type configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt></dl></div><div class="indexdiv" id="indexdiv-E"><h3>E</h3><dl><dt id="ientry-idm170200">each, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm169420">earth, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm169374">earthdistance, <a class="indexterm" href="earthdistance.html">earthdistance — calculate great-circle distances</a></dt><dt id="ientry-idm169484">earth_box, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm169474">earth_distance, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm65623">ECPG, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dt id="ientry-idm117903">ecpg, <a class="indexterm" href="app-ecpg.html">ecpg</a></dt><dt id="ientry-idm42723">effective_cache_size configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm41062">effective_io_concurrency configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm85235">elog, <a class="indexterm" href="error-message-reporting.html">Reporting Errors Within the Server</a></dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt><dt>in PL/Python, <a class="indexterm" href="plpython-util.html">Utility Functions</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-dbaccess.html">Database Access from PL/Tcl</a></dt></dl></dd><dt id="ientry-idm65618">embedded SQL, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dd><dl><dt>in C, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt></dl></dd><dt id="ientry-idm72254">enabled role, <a class="indexterm" href="infoschema-enabled-roles.html">enabled_roles</a></dt><dt id="ientry-idm42393">enable_async_append configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42405">enable_bitmapscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42415">enable_gathermerge configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42425">enable_hashagg configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42435">enable_hashjoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42445">enable_incremental_sort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42467">enable_indexonlyscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42457">enable_indexscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42478">enable_material configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42488">enable_memoize configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42498">enable_mergejoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42508">enable_nestloop configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42518">enable_parallel_append configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42528">enable_parallel_hash configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42559">enable_partitionwise_aggregate configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42549">enable_partitionwise_join configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42538">enable_partition_pruning configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42570">enable_presorted_aggregate configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42586">enable_seqscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42596">enable_sort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42606">enable_tidscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm14118">encode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm85897">encode_array_constructor</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm85869">encode_array_literal</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm85858">encode_bytea</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm85887">encode_typed_literal</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm172817">encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm39400">encryption, <a class="indexterm" href="encryption-options.html">Encryption Options</a>, <a class="indexterm" href="pgcrypto.html">pgcrypto — cryptographic functions</a></dt><dd><dl><dt>for specific columns, <a class="indexterm" href="pgcrypto.html">pgcrypto — cryptographic functions</a></dt></dl></dd><dt id="ientry-idm172821">encrypt_iv, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm110196">END, <a class="indexterm" href="sql-end.html">END</a></dt><dt id="ientry-idm8009">enumerated types, <a class="indexterm" href="datatype-enum.html">Enumerated Types</a></dt><dt id="ientry-idm18485">enum_first, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18497">enum_last, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18509">enum_range, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm64406">environment variable, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm88826">ephemeral named relation</dt><dd><dl><dt>registering with SPI, <a class="indexterm" href="spi-spi-register-relation.html">SPI_register_relation</a>, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt>unregistering from SPI, <a class="indexterm" href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></dt></dl></dd><dt id="ientry-idm144661">ereport, <a class="indexterm" href="error-message-reporting.html">Reporting Errors Within the Server</a></dt><dt id="ientry-idm11344">erf, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11356">erfc, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm62258">error codes, <a class="indexterm" href="errcodes-appendix.html">PostgreSQL Error Codes</a></dt><dd><dl><dt>libpq, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt>list of, <a class="indexterm" href="errcodes-appendix.html">PostgreSQL Error Codes</a></dt></dl></dd><dt id="ientry-idm61691">error message, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm14171">escape format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm1306">escape string syntax, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-ESCAPE">String Constants with C-Style Escapes</a></dt><dt id="ientry-idm45530">escape_string_warning configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm62655">escaping strings, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt></dl></dd><dt id="ientry-idm39705">event log, <a class="indexterm" href="event-log-registration.html">Registering Event Log on Windows</a></dt><dd><dl><dt>event log, <a class="indexterm" href="event-log-registration.html">Registering Event Log on Windows</a></dt></dl></dd><dt id="ientry-idm80010">event trigger, <a class="indexterm" href="event-triggers.html">Event Triggers</a>, <a class="indexterm" href="event-trigger-interface.html">Writing Event Trigger Functions in C</a></dt><dd><dl><dt>in C, <a class="indexterm" href="event-trigger-interface.html">Writing Event Trigger Functions in C</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-event-trigger.html">Event Trigger Functions in PL/Tcl</a></dt></dl></dd><dt id="ientry-idm43260">event_source configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm10233">event_trigger, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm25119">every, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5399">EXCEPT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm83620">exceptions</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING">Trapping Errors</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-error-handling.html">Error Handling in PL/Tcl</a></dt></dl></dd><dt id="ientry-idm2863">exclusion constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION">Exclusion Constraints</a></dt><dt id="ientry-idm110259">EXECUTE, <a class="indexterm" href="sql-execute.html">EXECUTE</a></dt><dt id="ientry-idm170218">exist, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm26276">EXISTS, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dt id="ientry-idm83438">EXIT</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS-EXIT">EXIT</a></dt></dl></dd><dt id="ientry-idm45643">exit_on_error configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm11369">exp, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm35127">EXPLAIN, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a>, <a class="indexterm" href="sql-explain.html">EXPLAIN</a></dt><dt id="ientry-idm1765">expression, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dd><dl><dt>order of evaluation, <a class="indexterm" href="sql-expressions.html#SYNTAX-EXPRESS-EVAL">Expression Evaluation Rules</a></dt><dt>syntax, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt></dl></dd><dt id="ientry-idm75899">extending SQL, <a class="indexterm" href="extend.html">Extending SQL</a></dt><dt id="ientry-idm78840">extension, <a class="indexterm" href="extend-extensions.html">Packaging Related Objects into an Extension</a></dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-extensions.html">Extensions</a></dt></dl></dd><dt id="ientry-idm40002">external_pid_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm17488">extract, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a>, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT">EXTRACT, date_part</a></dt><dt id="ientry-idm45153">extra_float_digits configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt></dl></div><div class="indexdiv" id="indexdiv-F"><h3>F</h3><dl><dt id="ientry-idm11386">factorial, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm52197">failover, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm7926">false, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm19777">family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm63431">fast path, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm100758">fastupdate storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm10239">fdw_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm110543">FETCH, <a class="indexterm" href="sql-fetch.html">FETCH</a></dt><dt id="ientry-idm9659">field</dt><dd><dl><dt>computed, <a class="indexterm" href="rowtypes.html#ROWTYPES-USAGE">Using Composite Types in Queries</a></dt></dl></dd><dt id="ientry-idm1866">field selection, <a class="indexterm" href="sql-expressions.html#FIELD-SELECTION">Field Selection</a></dt><dt id="ientry-idm38520">file system mount points, <a class="indexterm" href="creating-cluster.html#CREATING-CLUSTER-MOUNT-POINTS">Use of Secondary File Systems</a></dt><dt id="ientry-idm169524">file_fdw, <a class="indexterm" href="file-fdw.html">file_fdw — access data files in the server's file system</a></dt><dt id="ientry-idm100696">fillfactor storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a>, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1944">FILTER, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm26200">first_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm36166">flex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm6421">float4 (see <a href="#ientry-idm6417">real</a>)</dt><dt id="ientry-idm6424">float8 (see <a href="#ientry-idm6419">double precision</a>)</dt><dt id="ientry-idm6427">floating point, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm45150">floating-point</dt><dd><dl><dt>display, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt></dl></dd><dt id="ientry-idm11398">floor, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm4356">foreign data, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm145281">foreign data wrapper, <a class="indexterm" href="fdwhandler.html">Writing a Foreign Data Wrapper</a></dt><dd><dl><dt>handler for, <a class="indexterm" href="fdwhandler.html">Writing a Foreign Data Wrapper</a></dt></dl></dd><dt id="ientry-idm947">foreign key, <a class="indexterm" href="tutorial-fk.html">Foreign Keys</a>, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt><dd><dl><dt>self-referential, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt></dl></dd><dt id="ientry-idm4358">foreign table, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm12709">format, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-string.html#FUNCTIONS-STRING-FORMAT">format</a></dt><dd><dl><dt>use in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN">Executing Dynamic Commands</a></dt></dl></dd><dt id="ientry-idm16050">formatting, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27743">format_type, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm151437">Free Space Map, <a class="indexterm" href="storage-fsm.html">Free Space Map</a></dt><dt id="ientry-idm38616">FreeBSD</dt><dd><dl><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt>start script, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm42909">from_collapse_limit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm151439">FSM (see <a href="#ientry-idm151437">Free Space Map</a>)</dt><dt id="ientry-idm171728">fsm_page_contents, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm41237">fsync configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm8583">full text search, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a>, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a>, <a class="indexterm" href="textsearch.html">Full Text Search</a></dt><dd><dl><dt>data types, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a></dt><dt>functions and operators, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a></dt></dl></dd><dt id="ientry-idm41394">full_page_writes configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm1910">function, <a class="indexterm" href="queries-table-expressions.html#QUERIES-TABLEFUNCTIONS">Table Functions</a>, <a class="indexterm" href="functions.html">Functions and Operators</a>, <a class="indexterm" href="functions-statistics.html">Statistics Information Functions</a>, <a class="indexterm" href="typeconv-func.html">Functions</a>, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a>, <a class="indexterm" href="xfunc.html">User-Defined Functions</a>, <a class="indexterm" href="xfunc-sql.html">Query Language (SQL) Functions</a>, <a class="indexterm" href="xfunc-internal.html">Internal Functions</a>, <a class="indexterm" href="xfunc-c.html">C-Language Functions</a></dt><dd><dl><dt>default values for arguments, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-PARAMETER-DEFAULTS">SQL Functions with Default Values for Arguments</a></dt><dt>in the FROM clause, <a class="indexterm" href="queries-table-expressions.html#QUERIES-TABLEFUNCTIONS">Table Functions</a></dt><dt>internal, <a class="indexterm" href="xfunc-internal.html">Internal Functions</a></dt><dt>invocation, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-FUNCTION-CALLS">Function Calls</a></dt><dt>mixed notation, <a class="indexterm" href="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-MIXED">Using Mixed Notation</a></dt><dt>named argument, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-FUNCTION-ARGUMENTS">Arguments for SQL Functions</a></dt><dt>named notation, <a class="indexterm" href="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-NAMED">Using Named Notation</a></dt><dt>output parameter, <a class="indexterm" href="xfunc-sql.html#XFUNC-OUTPUT-PARAMETERS">SQL Functions with Output Parameters</a></dt><dt>polymorphic, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt>positional notation, <a class="indexterm" href="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-POSITIONAL">Using Positional Notation</a></dt><dt>RETURNS TABLE, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-FUNCTIONS-RETURNING-TABLE">SQL Functions Returning TABLE</a></dt><dt>statistics, <a class="indexterm" href="functions-statistics.html">Statistics Information Functions</a></dt><dt>type resolution in an invocation, <a class="indexterm" href="typeconv-func.html">Functions</a></dt><dt>user-defined, <a class="indexterm" href="xfunc.html">User-Defined Functions</a>, <a class="indexterm" href="xfunc-sql.html">Query Language (SQL) Functions</a>, <a class="indexterm" href="xfunc-c.html">C-Language Functions</a></dt><dd><dl><dt>in C, <a class="indexterm" href="xfunc-c.html">C-Language Functions</a></dt><dt>in SQL, <a class="indexterm" href="xfunc-sql.html">Query Language (SQL) Functions</a></dt></dl></dd><dt>variadic, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-VARIADIC-FUNCTIONS">SQL Functions with Variable Numbers of Arguments</a></dt><dt>with SETOF, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-FUNCTIONS-RETURNING-SET">SQL Functions Returning Sets</a></dt></dl></dd><dt id="ientry-idm5151">functional dependency, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm169651">fuzzystrmatch, <a class="indexterm" href="fuzzystrmatch.html">fuzzystrmatch — determine string similarities and distance</a></dt></dl></div><div class="indexdiv" id="indexdiv-G"><h3>G</h3><dl><dt id="ientry-idm11417">gcd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm169437">gc_to_sec, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm2569">generated column, <a class="indexterm" href="ddl-generated-columns.html">Generated Columns</a>, <a class="indexterm" href="sql-createforeigntable.html#id-1.9.3.66.6">Parameters</a>, <a class="indexterm" href="sql-createtable.html#id-1.9.3.85.6">Parameters</a></dt><dd><dl><dt>in
    triggers, <a class="indexterm" href="trigger-definition.html">Overview of Trigger Behavior</a></dt></dl></dd><dt id="ientry-idm26644">generate_series, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm26731">generate_subscripts, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm42781">genetic query optimization, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm172869">gen_random_bytes, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RANDOM-DATA-FUNCS">Random-Data Functions</a></dt><dt id="ientry-idm20864">gen_random_uuid, <a class="indexterm" href="functions-uuid.html">UUID Functions</a>, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RANDOM-DATA-FUNCS">Random-Data Functions</a></dt><dt id="ientry-idm172433">gen_salt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PASSWORD-HASHING-FUNCS-GEN-SALT">gen_salt()</a></dt><dt id="ientry-idm42783">GEQO (see <a href="#ientry-idm42781">genetic query optimization</a>)</dt><dt id="ientry-idm42786">geqo configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42808">geqo_effort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42829">geqo_generations configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42819">geqo_pool_size configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42848">geqo_seed configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42839">geqo_selection_bias configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42796">geqo_threshold configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm13833">get_bit, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm13849">get_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm20161">get_current_ts_config, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm171675">get_raw_page, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm32003">GIN (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm30553">gin_clean_pending_list, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm45398">gin_fuzzy_search_limit configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a></dt><dt id="ientry-idm171955">gin_leafpage_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm171935">gin_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm171945">gin_page_opaque_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm45028">gin_pending_list_limit</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt></dl></dd><dt id="ientry-idm31964">GiST (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm171978">gist_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm171988">gist_page_items_bytea, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm171968">gist_page_opaque_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm85080">global data, <a class="indexterm" href="pltcl-global.html">Global Data in PL/Tcl</a></dt><dd><dl><dt>in PL/Python, <a class="indexterm" href="plpython-sharing.html">Sharing Data</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-global.html">Global Data in PL/Tcl</a></dt></dl></dd><dt id="ientry-idm3064">GRANT, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-grant.html">GRANT</a></dt><dt id="ientry-idm23727">GREATEST, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-GREATEST-LEAST">GREATEST and LEAST</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm154482">Gregorian calendar, <a class="indexterm" href="datetime-units-history.html">History of Units</a></dt><dt id="ientry-idm853">GROUP BY, <a class="indexterm" href="tutorial-agg.html">Aggregate Functions</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm5108">grouping, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm26045">GROUPING, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5192">GROUPING SETS, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm39639">gssapi, <a class="indexterm" href="gssapi-enc.html">Secure TCP/IP Connections with GSSAPI Encryption</a></dt><dt id="ientry-idm47208">GSSAPI, <a class="indexterm" href="gssapi-auth.html">GSSAPI Authentication</a></dt><dd><dl><dt>with
        libpq, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt></dl></dd><dt id="ientry-idm40323">gss_accept_delegation configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm8681">GUID, <a class="indexterm" href="datatype-uuid.html">UUID Type</a></dt></dl></div><div class="indexdiv" id="indexdiv-H"><h3>H</h3><dl><dt id="ientry-idm31954">hash (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm172031">hash_bitmap_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm40731">hash_mem_multiplier configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm172041">hash_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172021">hash_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172011">hash_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172001">hash_page_type, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm27126">has_any_column_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27147">has_column_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27173">has_database_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27195">has_foreign_data_wrapper_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27213">has_function_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27235">has_language_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27253">has_parameter_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27271">has_schema_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27290">has_sequence_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27310">has_server_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27352">has_tablespace_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27328">has_table_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27370">has_type_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm855">HAVING, <a class="indexterm" href="tutorial-agg.html">Aggregate Functions</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm39981">hba_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm171744">heap_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm171775">heap_page_item_attrs, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm171789">heap_tuple_infomask_flags, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm19180">height, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm14181">hex format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm599">hierarchical database, <a class="indexterm" href="tutorial-concepts.html">Concepts</a></dt><dt id="ientry-idm52195">high availability, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm100">history, <a class="indexterm" href="history.html">A Brief History of PostgreSQL</a></dt><dd><dl><dt>of PostgreSQL, <a class="indexterm" href="history.html">A Brief History of PostgreSQL</a></dt></dl></dd><dt id="ientry-idm172336">hmac, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-GENERAL-HASHING-FUNCS-HMAC">hmac()</a></dt><dt id="ientry-idm19791">host, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm60842">host
        name, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm19803">hostmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm52780">hot standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm42195">hot_standby configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42259">hot_standby_feedback configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm169761">hstore, <a class="indexterm" href="hstore.html">hstore — hstore key/value datatype</a>, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170098">hstore_to_array, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170124">hstore_to_json, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170141">hstore_to_jsonb, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170172">hstore_to_jsonb_loose, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170158">hstore_to_json_loose, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170111">hstore_to_matrix, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm40623">huge_pages configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40659">huge_page_size configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm25950">hypothetical-set aggregate</dt><dd><dl><dt>built-in, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-I"><h3>I</h3><dl><dt id="ientry-idm170464">icount, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm36688">ICU, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-ANTI-FEATURES">Anti-Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="locale.html#LOCALE-PROVIDERS">Locale Providers</a>, <a class="indexterm" href="collation.html#COLLATION-MANAGING">Managing Collations</a>, <a class="indexterm" href="sql-createcollation.html#id-1.9.3.59.6">Parameters</a>, <a class="indexterm" href="sql-createdatabase.html#id-1.9.3.61.6">Parameters</a></dt><dt id="ientry-idm45236">icu_validation_level configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm47369">ident, <a class="indexterm" href="auth-ident.html">Ident Authentication</a></dt><dt id="ientry-idm1192">identifier, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dd><dl><dt>length, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dt>syntax of, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt></dl></dd><dt id="ientry-idm141961">IDENTIFY_SYSTEM, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm39991">ident_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm44853">idle_in_transaction_session_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44864">idle_session_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm170537">idx, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm23670">IFNULL, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm46213">ignore_checksum_failure configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46243">ignore_invalid_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46019">ignore_system_indexes configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm76683">IMMUTABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm111064">IMPORT FOREIGN SCHEMA, <a class="indexterm" href="sql-importforeignschema.html">IMPORT FOREIGN SCHEMA</a></dt><dt id="ientry-idm26278">IN, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm32298">INCLUDE</dt><dd><dl><dt>in index definitions, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt></dl></dd><dt id="ientry-idm39907">include</dt><dd><dl><dt>in configuration file, <a class="indexterm" href="config-setting.html#CONFIG-INCLUDES">Managing Configuration File Contents</a></dt></dl></dd><dt id="ientry-idm39924">include_dir</dt><dd><dl><dt>in configuration file, <a class="indexterm" href="config-setting.html#CONFIG-INCLUDES">Managing Configuration File Contents</a></dt></dl></dd><dt id="ientry-idm39915">include_if_exists</dt><dd><dl><dt>in configuration file, <a class="indexterm" href="config-setting.html#CONFIG-INCLUDES">Managing Configuration File Contents</a></dt></dl></dd><dt id="ientry-idm31858">index, <a class="indexterm" href="indexes.html">Indexes</a>, <a class="indexterm" href="indexes-multicolumn.html">Multicolumn Indexes</a>, <a class="indexterm" href="indexes-ordering.html">Indexes and ORDER BY</a>, <a class="indexterm" href="indexes-bitmap-scans.html">Combining Multiple Indexes</a>, <a class="indexterm" href="indexes-unique.html">Unique Indexes</a>, <a class="indexterm" href="indexes-expressional.html">Indexes on Expressions</a>, <a class="indexterm" href="indexes-partial.html">Partial Indexes</a>, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a>, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a>, <a class="indexterm" href="indexes-examine.html">Examining Index Usage</a>, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a>, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a>, <a class="indexterm" href="locking-indexes.html">Locking and Indexes</a>, <a class="indexterm" href="xindex.html">Interfacing Extensions to Indexes</a>, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-CONCURRENTLY">Building Indexes Concurrently</a>, <a class="indexterm" href="sql-reindex.html#SQL-REINDEX-CONCURRENTLY">Rebuilding Indexes Concurrently</a>, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dd><dl><dt>and ORDER BY, <a class="indexterm" href="indexes-ordering.html">Indexes and ORDER BY</a></dt><dt>B-Tree, <a class="indexterm" href="indexes-types.html#INDEXES-TYPES-BTREE">B-Tree</a>, <a class="indexterm" href="btree.html">B-Tree Indexes</a></dt><dt>BRIN, <a class="indexterm" href="indexes-types.html#INDEXES-TYPES-BRIN">BRIN</a>, <a class="indexterm" href="brin.html">BRIN Indexes</a></dt><dt>building concurrently, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-CONCURRENTLY">Building Indexes Concurrently</a></dt><dt>combining multiple indexes, <a class="indexterm" href="indexes-bitmap-scans.html">Combining Multiple Indexes</a></dt><dt>covering, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt>examining usage, <a class="indexterm" href="indexes-examine.html">Examining Index Usage</a></dt><dt>on expressions, <a class="indexterm" href="indexes-expressional.html">Indexes on Expressions</a></dt><dt>for user-defined data type, <a class="indexterm" href="xindex.html">Interfacing Extensions to Indexes</a></dt><dt>GIN, <a class="indexterm" href="indexes-types.html#INDEXES-TYPES-GIN">GIN</a>, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a>, <a class="indexterm" href="gin.html">GIN Indexes</a></dt><dd><dl><dt>text search, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a></dt></dl></dd><dt>GiST, <a class="indexterm" href="indexes-types.html#INDEXES-TYPE-GIST">GiST</a>, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a>, <a class="indexterm" href="gist.html">GiST Indexes</a></dt><dd><dl><dt>text search, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a></dt></dl></dd><dt>hash, <a class="indexterm" href="indexes-types.html#INDEXES-TYPES-HASH">Hash</a></dt><dt>Hash, <a class="indexterm" href="hash-index.html">Hash Indexes</a></dt><dt>index-only scans, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt>locks, <a class="indexterm" href="locking-indexes.html">Locking and Indexes</a></dt><dt>multicolumn, <a class="indexterm" href="indexes-multicolumn.html">Multicolumn Indexes</a></dt><dt>partial, <a class="indexterm" href="indexes-partial.html">Partial Indexes</a></dt><dt>rebuilding concurrently, <a class="indexterm" href="sql-reindex.html#SQL-REINDEX-CONCURRENTLY">Rebuilding Indexes Concurrently</a></dt><dt>SP-GiST, <a class="indexterm" href="indexes-types.html#INDEXES-TYPE-SPGIST">SP-GiST</a>, <a class="indexterm" href="spgist.html">SP-GiST Indexes</a></dt><dt>unique, <a class="indexterm" href="indexes-unique.html">Unique Indexes</a></dt></dl></dd><dt id="ientry-idm146735">Index Access Method, <a class="indexterm" href="indexam.html">Index Access Method Interface Definition</a></dt><dt id="ientry-idm42455">index scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm32263">index-only scan, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm146737">indexam</dt><dd><dl><dt>Index Access Method, <a class="indexterm" href="indexam.html">Index Access Method Interface Definition</a></dt></dl></dd><dt id="ientry-idm10243">index_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm8353">inet (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-INET">inet</a></dt><dt id="ientry-idm26862">inet_client_addr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26871">inet_client_port, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm19815">inet_merge, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm19828">inet_same_family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm26880">inet_server_addr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26889">inet_server_port, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm6360">infinity</dt><dd><dl><dt>floating point, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt>numeric (data type), <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt></dl></dd><dt id="ientry-idm70278">information schema, <a class="indexterm" href="information-schema.html">The Information Schema</a></dt><dt id="ientry-idm1091">inheritance, <a class="indexterm" href="tutorial-inheritance.html">Inheritance</a>, <a class="indexterm" href="ddl-inherit.html">Inheritance</a></dt><dt id="ientry-idm12726">initcap, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm38438">initdb, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a>, <a class="indexterm" href="app-initdb.html">initdb</a></dt><dt id="ientry-idm151475">Initialization Fork, <a class="indexterm" href="storage-init.html">The Initialization Fork</a></dt><dt id="ientry-idm77877">input function, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dt id="ientry-idm674">INSERT, <a class="indexterm" href="tutorial-populate.html">Populating a Table With Rows</a>, <a class="indexterm" href="dml-insert.html">Inserting Data</a>, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a>, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dd><dl><dt>RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt></dl></dd><dt id="ientry-idm4455">inserting, <a class="indexterm" href="dml-insert.html">Inserting Data</a></dt><dt id="ientry-idm35960">installation, <a class="indexterm" href="installation.html">Installation from Source Code</a></dt><dd><dl><dt>binaries, <a class="indexterm" href="install-binaries.html">Installation from Binaries</a></dt><dt>on Windows, <a class="indexterm" href="install-windows.html">Installation from Source Code on Windows</a></dt></dl></dd><dt id="ientry-idm84994">instr function, <a class="indexterm" href="plpgsql-porting.html#PLPGSQL-PORTING-APPENDIX">Appendix</a></dt><dt id="ientry-idm6281">int2 (see <a href="#ientry-idm6274">smallint</a>)</dt><dt id="ientry-idm6278">int4 (see <a href="#ientry-idm1493">integer</a>)</dt><dt id="ientry-idm6284">int8 (see <a href="#ientry-idm1495">bigint</a>)</dt><dt id="ientry-idm170392">intagg, <a class="indexterm" href="intagg.html">intagg — integer aggregator and enumerator</a></dt><dt id="ientry-idm170434">intarray, <a class="indexterm" href="intarray.html">intarray — manipulate arrays of integers</a></dt><dt id="ientry-idm1493">integer, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a>, <a class="indexterm" href="datatype-numeric.html#DATATYPE-INT">Integer Types</a></dt><dt id="ientry-idm45754">integer_datetimes configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm177387">interfaces</dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-interfaces.html">Client Interfaces</a></dt></dl></dd><dt id="ientry-idm10249">internal, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm5397">INTERSECT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm7003">interval, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-INTERVAL-INPUT">Interval Input</a></dt><dd><dl><dt>output format, <a class="indexterm" href="datatype-datetime.html#DATATYPE-INTERVAL-OUTPUT">Interval Output</a></dt><dd><dl><dt>(see also <a href="#ientry-idm16050">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm45094">IntervalStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm170583">intset, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm170399">int_array_aggregate, <a class="indexterm" href="intagg.html#INTAGG-FUNCTIONS">Functions</a></dt><dt id="ientry-idm170406">int_array_enum, <a class="indexterm" href="intagg.html#INTAGG-FUNCTIONS">Functions</a></dt><dt id="ientry-idm25846">inverse distribution, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm45766">in_hot_standby configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm147571">in_range support functions, <a class="indexterm" href="btree-support-funcs.html">B-Tree Support Functions</a></dt><dt id="ientry-idm10864">IS DISTINCT FROM, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm21070">IS DOCUMENT, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-IS-DOCUMENT">IS DOCUMENT</a></dt><dt id="ientry-idm10932">IS FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm22138">IS JSON, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm10866">IS NOT DISTINCT FROM, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm21082">IS NOT DOCUMENT, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-IS-NOT-DOCUMENT">IS NOT DOCUMENT</a></dt><dt id="ientry-idm10934">IS NOT FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10886">IS NOT NULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10930">IS NOT TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10938">IS NOT UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10884">IS NULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a>, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-CLIENTS">Platform and Client Compatibility</a></dt><dt id="ientry-idm10928">IS TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10936">IS UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm19192">isclosed, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm24706">isempty, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm17516">isfinite, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm170773">isn, <a class="indexterm" href="isn.html">isn — data types for international standard numbers (ISBN, EAN, UPC, etc.)</a></dt><dt id="ientry-idm10888">ISNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm170900">isn_weak, <a class="indexterm" href="isn.html#ISN-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm19204">isopen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm85922">is_array_ref</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm170924">is_valid, <a class="indexterm" href="isn.html#ISN-FUNCS-OPS">Functions and Operators</a></dt></dl></div><div class="indexdiv" id="indexdiv-J"><h3>J</h3><dl><dt id="ientry-idm59740">JIT, <a class="indexterm" href="jit.html">Just-in-Time Compilation (JIT)</a></dt><dt id="ientry-idm42923">jit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm42738">jit_above_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm46257">jit_debugging_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46268">jit_dump_bitcode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46281">jit_expressions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42751">jit_inline_above_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm42763">jit_optimize_above_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm46292">jit_profiling_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45354">jit_provider configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm46304">jit_tuple_deforming configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm755">join, <a class="indexterm" href="tutorial-join.html">Joins Between Tables</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a>, <a class="indexterm" href="explicit-joins.html">Controlling the Planner with Explicit JOIN Clauses</a></dt><dd><dl><dt>controlling the order, <a class="indexterm" href="explicit-joins.html">Controlling the Planner with Explicit JOIN Clauses</a></dt><dt>cross, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt>left, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt>natural, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt>outer, <a class="indexterm" href="tutorial-join.html">Joins Between Tables</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt>right, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt>self, <a class="indexterm" href="tutorial-join.html">Joins Between Tables</a></dt></dl></dd><dt id="ientry-idm42936">join_collapse_limit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm8779">JSON, <a class="indexterm" href="datatype-json.html">JSON Types</a>, <a class="indexterm" href="functions-json.html">JSON Functions and Operators</a></dt><dd><dl><dt>functions and operators, <a class="indexterm" href="functions-json.html">JSON Functions and Operators</a></dt></dl></dd><dt id="ientry-idm8781">JSONB, <a class="indexterm" href="datatype-json.html">JSON Types</a></dt><dt id="ientry-idm8912">jsonb</dt><dd><dl><dt>containment, <a class="indexterm" href="datatype-json.html#JSON-CONTAINMENT">jsonb Containment and Existence</a></dt><dt>existence, <a class="indexterm" href="datatype-json.html#JSON-CONTAINMENT">jsonb Containment and Existence</a></dt><dt>indexes on, <a class="indexterm" href="datatype-json.html#JSON-INDEXING">jsonb Indexing</a></dt></dl></dd><dt id="ientry-idm25136">jsonb_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25388">jsonb_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22190">jsonb_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22209">jsonb_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22229">jsonb_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21999">jsonb_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22021">jsonb_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22254">jsonb_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22281">jsonb_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22310">jsonb_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22337">jsonb_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22573">jsonb_insert, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22090">jsonb_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25192">jsonb_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25216">jsonb_object_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25242">jsonb_object_agg_unique, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25297">jsonb_object_agg_unique_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22361">jsonb_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22624">jsonb_path_exists, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22750">jsonb_path_exists_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22651">jsonb_path_match, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22765">jsonb_path_match_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22676">jsonb_path_query, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22701">jsonb_path_query_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22795">jsonb_path_query_array_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22725">jsonb_path_query_first, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22810">jsonb_path_query_first_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22780">jsonb_path_query_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22383">jsonb_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22438">jsonb_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22834">jsonb_pretty, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22506">jsonb_set, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22538">jsonb_set_lax, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22612">jsonb_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22464">jsonb_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22489">jsonb_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20396">jsonb_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22853">jsonb_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm9118">jsonpath, <a class="indexterm" href="datatype-json.html#DATATYPE-JSONPATH">jsonpath Type</a></dt><dt id="ientry-idm25130">json_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25382">json_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21933">json_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25257">json_arrayagg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22184">json_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22203">json_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22223">json_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21992">json_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22014">json_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22244">json_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22271">json_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22300">json_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22327">json_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22036">json_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25148">json_objectagg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25183">json_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25207">json_object_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25233">json_object_agg_unique, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25288">json_object_agg_unique_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22355">json_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22374">json_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22429">json_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22606">json_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22458">json_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22483">json_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20384">json_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22847">json_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm154505">Julian date, <a class="indexterm" href="datetime-julian-dates.html">Julian Dates</a></dt><dt id="ientry-idm59743">Just-In-Time compilation (see <a href="#ientry-idm59740">JIT</a>)</dt><dt id="ientry-idm17548">justify_days, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17560">justify_hours, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17572">justify_interval, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt></dl></div><div class="indexdiv" id="indexdiv-K"><h3>K</h3><dl><dt id="ientry-idm1198">key word, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a>, <a class="indexterm" href="sql-keywords-appendix.html">SQL Key Words</a></dt><dd><dl><dt>list of, <a class="indexterm" href="sql-keywords-appendix.html">SQL Key Words</a></dt><dt>syntax of, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt></dl></dd><dt id="ientry-idm40312">krb_caseins_users configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm40298">krb_server_keyfile configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt></dl></div><div class="indexdiv" id="indexdiv-L"><h3>L</h3><dl><dt id="ientry-idm4860">label (see <a href="#ientry-idm810">alias</a>)</dt><dt id="ientry-idm26150">lag, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm10237">language_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm65215">large object, <a class="indexterm" href="largeobjects.html">Large Objects</a></dt><dt id="ientry-idm23553">lastval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm26211">last_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm5021">LATERAL, <a class="indexterm" href="queries-table-expressions.html#QUERIES-LATERAL">LATERAL Subqueries</a></dt><dd><dl><dt>in the FROM clause, <a class="indexterm" href="queries-table-expressions.html#QUERIES-LATERAL">LATERAL Subqueries</a></dt></dl></dd><dt id="ientry-idm169456">latitude, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm171538">lca, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm11435">lcm, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm45190">lc_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45203">lc_monetary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45214">lc_numeric configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45225">lc_time configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm36584">LDAP, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="auth-ldap.html">LDAP Authentication</a></dt><dt id="ientry-idm64768">LDAP connection parameter lookup, <a class="indexterm" href="libpq-ldap.html">LDAP Lookup of Connection Parameters</a></dt><dt id="ientry-idm37808">ldconfig, <a class="indexterm" href="install-post.html#INSTALL-POST-SHLIBS">Shared Libraries</a></dt><dt id="ientry-idm26175">lead, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm23729">LEAST, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-GREATEST-LEAST">GREATEST and LEAST</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm12738">left, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4761">left join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm12275">length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a>, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dd><dl><dt>of a binary string (see binary strings, length)</dt><dt>of a character string (see <a href="#ientry-idm1285">character string, length</a>)</dt></dl></dd><dt id="ientry-idm33161">length(tsvector), <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm169716">levenshtein, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-LEVENSHTEIN">Levenshtein</a></dt><dt id="ientry-idm169718">levenshtein_less_equal, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-LEVENSHTEIN">Levenshtein</a></dt><dt id="ientry-idm36168">lex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm36032">libedit, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dd><dl><dt>in psql, <a class="indexterm" href="app-psql.html#APP-PSQL-READLINE">Command-Line Editing</a></dt></dl></dd><dt id="ientry-idm36088">libperl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm60275">libpq, <a class="indexterm" href="libpq.html">libpq — C Library</a>, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a>, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt><dd><dl><dt>pipeline mode, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a></dt><dt>single-row mode, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt></dl></dd><dt id="ientry-idm60302">libpq-fe.h, <a class="indexterm" href="libpq.html">libpq — C Library</a>, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61464">libpq-int.h, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm36111">libpython, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm76846">library initialization function, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm14506">LIKE, <a class="indexterm" href="functions-matching.html#FUNCTIONS-LIKE">LIKE</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm15889">LIKE_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a>, <a class="indexterm" href="functions-json.html#JSONPATH-REGULAR-EXPRESSIONS">SQL/JSON Regular Expressions</a></dt><dd><dl><dt>in SQL/JSON, <a class="indexterm" href="functions-json.html#JSONPATH-REGULAR-EXPRESSIONS">SQL/JSON Regular Expressions</a></dt></dl></dd><dt id="ientry-idm5529">LIMIT, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm8127">line, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LINE">Lines</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm8167">line segment, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LSEG">Line Segments</a></dt><dt id="ientry-idm25526">linear regression, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38630">Linux</dt><dd><dl><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt>start script, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm111570">LISTEN, <a class="indexterm" href="sql-listen.html">LISTEN</a></dt><dt id="ientry-idm40039">listen_addresses configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm36522">llvm-config, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dt id="ientry-idm169446">ll_to_earth, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm11453">ln, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm170984">lo, <a class="indexterm" href="lo.html">lo — manage large objects</a></dt><dt id="ientry-idm111640">LOAD, <a class="indexterm" href="sql-load.html">LOAD</a></dt><dt id="ientry-idm52201">load balancing, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm38506">locale, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a>, <a class="indexterm" href="locale.html">Locale Support</a></dt><dt id="ientry-idm17586">localtime, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17609">localtimestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm45292">local_preload_libraries configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm34557">lock, <a class="indexterm" href="explicit-locking.html">Explicit Locking</a>, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a>, <a class="indexterm" href="monitoring-locks.html">Viewing Locks</a></dt><dd><dl><dt>advisory, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a></dt><dt>monitoring, <a class="indexterm" href="monitoring-locks.html">Viewing Locks</a></dt></dl></dd><dt id="ientry-idm34571">LOCK, <a class="indexterm" href="explicit-locking.html#LOCKING-TABLES">Table-Level Locks</a>, <a class="indexterm" href="sql-lock.html">LOCK</a></dt><dt id="ientry-idm44832">lock_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11469">log, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm52445">log shipping, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm11485">log10, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm26928">Logging</dt><dd><dl><dt>current_logfiles file and the pg_current_logfile
         function, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt>pg_current_logfile function, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt></dl></dd><dt id="ientry-idm43053">logging_collector configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm90056">Logical Decoding, <a class="indexterm" href="logicaldecoding.html">Logical Decoding</a>, <a class="indexterm" href="logicaldecoding-explanation.html#LOGICALDECODING-EXPLANATION-LOG-DEC">Logical Decoding</a></dt><dt id="ientry-idm40805">logical_decoding_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm47775">login privilege, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt id="ientry-idm43556">log_autovacuum_min_duration</dt><dd><dl><dt>configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt>storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt></dl></dd><dt id="ientry-idm46168">log_btree_build_stats configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43571">log_checkpoints configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43581">log_connections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42994">log_destination configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43074">log_directory configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43596">log_disconnections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43608">log_duration configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43628">log_error_verbosity configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm44324">log_executor_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43086">log_filename configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43119">log_file_mode configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43649">log_hostname configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43659">log_line_prefix configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43816">log_lock_waits configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43348">log_min_duration_sample configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43327">log_min_duration_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43302">log_min_error_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43276">log_min_messages configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43841">log_parameter_max_length configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43855">log_parameter_max_length_on_error configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm44312">log_parser_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm44318">log_planner_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43828">log_recovery_conflict_waits configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43904">log_replication_commands configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43138">log_rotation_age configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43149">log_rotation_size configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43398">log_startup_progress_interval configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43867">log_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43367">log_statement_sample_rate configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm44306">log_statement_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43916">log_temp_files configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43926">log_timezone configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43382">log_transaction_sample_rate configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN">When to Log</a></dt><dt id="ientry-idm43160">log_truncate_on_rotation configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm169465">longitude, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm85910">looks_like_number</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt></dl></dd><dt id="ientry-idm83408">loop, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS">Simple Loops</a></dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS">Simple Loops</a></dt></dl></dd><dt id="ientry-idm12295">lower, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm24718">lower_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24742">lower_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm65492">lo_close, <a class="indexterm" href="lo-interfaces.html#LO-CLOSE">Closing a Large Object Descriptor</a></dt><dt id="ientry-idm45545">lo_compat_privileges configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm65293">lo_creat, <a class="indexterm" href="lo-interfaces.html#LO-CREATE">Creating a Large Object</a>, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65282">lo_create, <a class="indexterm" href="lo-interfaces.html#LO-CREATE">Creating a Large Object</a></dt><dt id="ientry-idm65340">lo_export, <a class="indexterm" href="lo-interfaces.html#LO-EXPORT">Exporting a Large Object</a>, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65523">lo_from_bytea, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65558">lo_get, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65317">lo_import, <a class="indexterm" href="lo-interfaces.html#LO-IMPORT">Importing a Large Object</a>, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65323">lo_import_with_oid, <a class="indexterm" href="lo-interfaces.html#LO-IMPORT">Importing a Large Object</a></dt><dt id="ientry-idm65424">lo_lseek, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm65434">lo_lseek64, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm65348">lo_open, <a class="indexterm" href="lo-interfaces.html#LO-OPEN">Opening an Existing Large Object</a></dt><dt id="ientry-idm65540">lo_put, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65407">lo_read, <a class="indexterm" href="lo-interfaces.html#LO-READ">Reading Data from a Large Object</a></dt><dt id="ientry-idm65446">lo_tell, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm65450">lo_tell64, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm65461">lo_truncate, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm65478">lo_truncate64, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm65502">lo_unlink, <a class="indexterm" href="lo-interfaces.html#LO-UNLINK">Removing a Large Object</a>, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65390">lo_write, <a class="indexterm" href="lo-interfaces.html#LO-WRITE">Writing Data to a Large Object</a></dt><dt id="ientry-idm12307">lpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm8165">lseg, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LSEG">Line Segments</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm59024">LSN, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm171040">ltree, <a class="indexterm" href="ltree.html">ltree — hierarchical tree-like data type</a></dt><dt id="ientry-idm171527">ltree2text, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm12330">ltrim, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt></dl></div><div class="indexdiv" id="indexdiv-M"><h3>M</h3><dl><dt id="ientry-idm8482">MAC address (see macaddr)</dt><dt id="ientry-idm8511">MAC address (EUI-64 format) (see macaddr)</dt><dt id="ientry-idm8480">macaddr (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR">macaddr</a></dt><dt id="ientry-idm8509">macaddr8 (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR8">macaddr8</a></dt><dt id="ientry-idm19964">macaddr8_set7bit, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm37959">macOS, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-MACOS">macOS</a></dt><dd><dl><dt>installation on, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-MACOS">macOS</a></dt><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt></dl></dd><dt id="ientry-idm76835">magic block, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm51036">maintenance, <a class="indexterm" href="maintenance.html">Routine Database Maintenance Tasks</a></dt><dt id="ientry-idm41078">maintenance_io_concurrency configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm40747">maintenance_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm35991">make, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm27553">makeaclitem, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm17632">make_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17649">make_interval, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17681">make_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17698">make_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17721">make_timestamptz, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm170915">make_valid, <a class="indexterm" href="isn.html#ISN-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm37838">MANPATH, <a class="indexterm" href="install-post.html#INSTALL-POST-ENV-VARS">Environment Variables</a></dt><dt id="ientry-idm19841">masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm81828">materialized view, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a></dt><dd><dl><dt>implementation through rules, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a></dt></dl></dd><dt id="ientry-idm139304">materialized views, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm25314">max, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm40065">max_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40899">max_files_per_process configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-KERNEL">Kernel Resource Usage</a></dt><dt id="ientry-idm45777">max_function_args configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45787">max_identifier_length configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45799">max_index_keys configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45431">max_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm42341">max_logical_replication_workers configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm42367">max_parallel_apply_workers_per_subscription configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm41122">max_parallel_maintenance_workers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm41138">max_parallel_workers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm41104">max_parallel_workers_per_gather configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm45466">max_pred_locks_per_page configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm45454">max_pred_locks_per_relation configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm45443">max_pred_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm40698">max_prepared_transactions configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42012">max_replication_slots configuration parameter</dt><dd><dl><dt>in a sending server, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt>in a subscriber, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt></dl></dd><dt id="ientry-idm42041">max_slot_wal_keep_size configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40817">max_stack_depth configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42206">max_standby_archive_delay configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42220">max_standby_streaming_delay configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42353">max_sync_workers_per_subscription configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm41998">max_wal_senders configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41612">max_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41090">max_worker_processes configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm12768">md5, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm47142">MD5, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm2027">median, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm25877">percentile</a>)</dt></dl></dd><dt id="ientry-idm89365">memory context</dt><dd><dl><dt>in SPI, <a class="indexterm" href="spi-memory.html">Memory Management</a></dt></dl></dd><dt id="ientry-idm39083">memory overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm111819">MERGE, <a class="indexterm" href="sql-merge.html">MERGE</a></dt><dt id="ientry-idm36008">Meson, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm169737">metaphone, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-METAPHONE">Metaphone</a></dt><dt id="ientry-idm25332">min, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm37992">MinGW, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-MINGW">MinGW/Native Windows</a></dt><dd><dl><dt>installation on, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-MINGW">MinGW/Native Windows</a></dt></dl></dd><dt id="ientry-idm40866">min_dynamic_shared_memory configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42711">min_parallel_index_scan_size configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm42700">min_parallel_table_scan_size configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm11517">min_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm41626">min_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm11529">mod, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25863">mode</dt><dd><dl><dt>statistical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm53115">monitoring, <a class="indexterm" href="monitoring.html">Monitoring Database Activity</a></dt><dd><dl><dt>database activity, <a class="indexterm" href="monitoring.html">Monitoring Database Activity</a></dt></dl></dd><dt id="ientry-idm112182">MOVE, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dt id="ientry-idm77705">moving-aggregate mode, <a class="indexterm" href="xaggr.html#XAGGR-MOVING-AGGREGATES">Moving-Aggregate Mode</a></dt><dt id="ientry-idm24891">multirange (function), <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm9699">multirange type, <a class="indexterm" href="rangetypes.html">Range Types</a></dt><dt id="ientry-idm34254">Multiversion Concurrency Control, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm51372">MultiXactId, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND">Multixacts and Wraparound</a></dt><dt id="ientry-idm34256">MVCC, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm28974">mxid_age, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt></dl></div><div class="indexdiv" id="indexdiv-N"><h3>N</h3><dl><dt id="ientry-idm1195">name, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dd><dl><dt>qualified, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CREATE">Creating a Schema</a></dt><dt>syntax of, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dt>unqualified, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a></dt></dl></dd><dt id="ientry-idm6363">NaN (see <a href="#ientry-idm6366">not a number</a>)</dt><dt id="ientry-idm4808">natural join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm10449">negation, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm38655">NetBSD</dt><dd><dl><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt>start script, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm19853">netmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm8308">network, <a class="indexterm" href="datatype-net-types.html">Network Address Types</a>, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dd><dl><dt>data types, <a class="indexterm" href="datatype-net-types.html">Network Address Types</a></dt></dl></dd><dt id="ientry-idm23488">nextval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm38531">NFS, <a class="indexterm" href="creating-cluster.html#CREATING-CLUSTER-NFS">NFS</a></dt><dt id="ientry-idm171467">nlevel, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm35699">non-durable, <a class="indexterm" href="non-durability.html">Non-Durable Settings</a></dt><dt id="ientry-idm60430">nonblocking connection, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a>, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm34293">nonrepeatable read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm12348">normalize, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12232">normalized, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm176183">normal_rand, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-NORMAL-RAND">normal_rand</a></dt><dt id="ientry-idm10443">NOT (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm6366">not a number</dt><dd><dl><dt>floating point, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt>numeric (data type), <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt></dl></dd><dt id="ientry-idm26280">NOT IN, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm2694">not-null constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-NOT-NULL">Not-Null Constraints</a></dt><dt id="ientry-idm2426">notation, <a class="indexterm" href="sql-syntax-calling-funcs.html">Calling Functions</a></dt><dd><dl><dt>functions, <a class="indexterm" href="sql-syntax-calling-funcs.html">Calling Functions</a></dt></dl></dd><dt id="ientry-idm64141">notice processing, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt></dl></dd><dt id="ientry-idm64154">notice processor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64149">notice receiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm63482">NOTIFY, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a>, <a class="indexterm" href="sql-notify.html">NOTIFY</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a></dt></dl></dd><dt id="ientry-idm10890">NOTNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm17752">now, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm19230">npoints, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm26222">nth_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm26140">ntile, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm2546">null value</dt><dd><dl><dt>with check constraints, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt>comparing, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt>default value, <a class="indexterm" href="ddl-default.html">Default Values</a></dt><dt>in DISTINCT, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt><dt>in libpq, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt>in PL/Perl, <a class="indexterm" href="plperl-funcs.html">PL/Perl Functions and Arguments</a></dt><dt>in PL/Python, <a class="indexterm" href="plpython-data.html#PLPYTHON-DATA-NULL">Null, None</a></dt><dt>with unique constraints, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-UNIQUE-CONSTRAINTS">Unique Constraints</a></dt></dl></dd><dt id="ientry-idm23692">NULLIF, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-NULLIF">NULLIF</a></dt><dt id="ientry-idm1455">number</dt><dd><dl><dt>constant, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a></dt></dl></dd><dt id="ientry-idm1497">numeric, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a></dt><dt id="ientry-idm6308">numeric (data type), <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm20186">numnode, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY">Manipulating Queries</a></dt><dt id="ientry-idm10967">num_nonnulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10980">num_nulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm23668">NVL, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt></dl></div><div class="indexdiv" id="indexdiv-O"><h3>O</h3><dl><dt id="ientry-idm9944">object identifier, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dd><dl><dt>data type, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt></dl></dd><dt id="ientry-idm601">object-oriented database, <a class="indexterm" href="tutorial-concepts.html">Concepts</a></dt><dt id="ientry-idm28562">obj_description, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt id="ientry-idm15891">OCCURRENCES_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm12370">octet_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm5531">OFFSET, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm9947">oid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm62632">OID</dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt></dl></dd><dt id="ientry-idm176999">oid2name, <a class="indexterm" href="oid2name.html">oid2name</a></dt><dt id="ientry-idm171650">old_snapshot, <a class="indexterm" href="oldsnapshot.html">old_snapshot — inspect old_snapshot_threshold state</a></dt><dt id="ientry-idm41163">old_snapshot_threshold configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm111346">ON CONFLICT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm4647">ONLY, <a class="indexterm" href="queries-table-expressions.html#QUERIES-FROM">The FROM Clause</a></dt><dt id="ientry-idm39085">OOM, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm38623">OpenBSD</dt><dd><dl><dt>IPC configuration, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt>start script, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm36551">OpenSSL, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dd><dl><dt>(see also <a href="#ientry-idm39447">SSL</a>)</dt></dl></dd><dt id="ientry-idm1554">operator, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-OPERATORS">Operators</a>, <a class="indexterm" href="sql-syntax-lexical.html#SQL-PRECEDENCE">Operator Precedence</a>, <a class="indexterm" href="functions.html">Functions and Operators</a>, <a class="indexterm" href="functions-logical.html">Logical Operators</a>, <a class="indexterm" href="typeconv-oper.html">Operators</a>, <a class="indexterm" href="xoper.html">User-Defined Operators</a></dt><dd><dl><dt>invocation, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-OPERATOR-CALLS">Operator Invocations</a></dt><dt>logical, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt>precedence, <a class="indexterm" href="sql-syntax-lexical.html#SQL-PRECEDENCE">Operator Precedence</a></dt><dt>syntax, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-OPERATORS">Operators</a></dt><dt>type resolution in an invocation, <a class="indexterm" href="typeconv-oper.html">Operators</a></dt><dt>user-defined, <a class="indexterm" href="xoper.html">User-Defined Operators</a></dt></dl></dd><dt id="ientry-idm32357">operator class, <a class="indexterm" href="indexes-opclass.html">Operator Classes and Operator Families</a>, <a class="indexterm" href="xindex.html#XINDEX-OPCLASS">Index Methods and Operator Classes</a></dt><dt id="ientry-idm32359">operator family, <a class="indexterm" href="indexes-opclass.html">Operator Classes and Operator Families</a>, <a class="indexterm" href="xindex.html#XINDEX-OPFAMILY">Operator Classes and Operator Families</a></dt><dt id="ientry-idm77612">optimization information, <a class="indexterm" href="xfunc-optimization.html">Function Optimization Information</a>, <a class="indexterm" href="xoper-optimization.html">Operator Optimization Information</a></dt><dd><dl><dt>for functions, <a class="indexterm" href="xfunc-optimization.html">Function Optimization Information</a></dt><dt>for operators, <a class="indexterm" href="xoper-optimization.html">Operator Optimization Information</a></dt></dl></dd><dt id="ientry-idm10441">OR (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm84784">Oracle, <a class="indexterm" href="plpgsql-porting.html">Porting from Oracle PL/SQL</a></dt><dd><dl><dt>porting from PL/SQL to PL/pgSQL, <a class="indexterm" href="plpgsql-porting.html">Porting from Oracle PL/SQL</a></dt></dl></dd><dt id="ientry-idm731">ORDER BY, <a class="indexterm" href="tutorial-select.html">Querying a Table</a>, <a class="indexterm" href="queries-order.html">Sorting Rows (ORDER BY)</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm1940">ordered-set aggregate, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dd><dl><dt>built-in, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm78743">ordering operator, <a class="indexterm" href="xindex.html#XINDEX-OPCLASS-DEPENDENCIES">System Dependencies on Operator Classes</a></dt><dt id="ientry-idm26759">ordinality, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm4717">outer join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm77879">output function, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dt id="ientry-idm2054">OVER clause, <a class="indexterm" href="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS">Window Function Calls</a></dt><dt id="ientry-idm39087">overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm17812">OVERLAPS, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm12395">overlay, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm76643">overloading, <a class="indexterm" href="xfunc-overload.html">Function Overloading</a></dt><dd><dl><dt>functions, <a class="indexterm" href="xfunc-overload.html">Function Overloading</a></dt><dt>operators, <a class="indexterm" href="xoper.html">User-Defined Operators</a></dt></dl></dd><dt id="ientry-idm3062">owner, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt></dl></div><div class="indexdiv" id="indexdiv-P"><h3>P</h3><dl><dt id="ientry-idm171665">pageinspect, <a class="indexterm" href="pageinspect.html">pageinspect — low-level inspection of database pages</a></dt><dt id="ientry-idm100792">pages_per_range storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm171714">page_checksum, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm171698">page_header, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm77235">palloc, <a class="indexterm" href="xfunc-c.html#XFUNC-C-CODE">Writing Code</a></dt><dt id="ientry-idm36599">PAM, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="auth-pam.html">PAM Authentication</a></dt><dt id="ientry-idm35729">parallel query, <a class="indexterm" href="parallel-query.html">Parallel Query</a></dt><dt id="ientry-idm41150">parallel_leader_participation configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR">Asynchronous Behavior</a></dt><dt id="ientry-idm42682">parallel_setup_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm42691">parallel_tuple_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm104494">parallel_workers storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1833">parameter</dt><dd><dl><dt>syntax, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-PARAMETERS-POSITIONAL">Positional Parameters</a></dt></dl></dd><dt id="ientry-idm1812">parenthesis, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm12781">parse_ident, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4281">partition pruning, <a class="indexterm" href="ddl-partitioning.html#DDL-PARTITION-PRUNING">Partition Pruning</a></dt><dt id="ientry-idm3995">partitioned table, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm3990">partitioning, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm38494">password, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dd><dl><dt>authentication, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt>of the superuser, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt></dl></dd><dt id="ientry-idm64704">password file, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm172050">passwordcheck, <a class="indexterm" href="passwordcheck.html">passwordcheck — verify password strength</a></dt><dt id="ientry-idm40272">password_encryption configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm19440">path, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dd><dl><dt>for schemas, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm37819">PATH, <a class="indexterm" href="install-post.html#INSTALL-POST-ENV-VARS">Environment Variables</a></dt><dt id="ientry-idm8226">path (data type), <a class="indexterm" href="datatype-geometric.html#DATATYPE-GEOMETRIC-PATHS">Paths</a></dt><dt id="ientry-idm14483">pattern matching, <a class="indexterm" href="functions-matching.html">Pattern Matching</a></dt><dt id="ientry-idm126383">patterns</dt><dd><dl><dt>in psql and pg_dump, <a class="indexterm" href="app-psql.html#APP-PSQL-PATTERNS">Patterns</a></dt></dl></dd><dt id="ientry-idm19244">pclose, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47403">peer, <a class="indexterm" href="auth-peer.html">Peer Authentication</a></dt><dt id="ientry-idm25877">percentile</dt><dd><dl><dt>continuous, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt>discrete, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm26006">percent_rank, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dd><dl><dt>hypothetical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm35120">performance, <a class="indexterm" href="performance-tips.html">Performance Tips</a></dt><dt id="ientry-idm36182">perl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm85504">Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm3059">permission (see <a href="#ientry-idm3057">privilege</a>)</dt><dt id="ientry-idm77238">pfree, <a class="indexterm" href="xfunc-c.html#XFUNC-C-CODE">Writing Code</a></dt><dt id="ientry-idm64504">PGAPPNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm119066">pgbench, <a class="indexterm" href="pgbench.html">pgbench</a></dt><dt id="ientry-idm63373">PGcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm64474">PGCHANNELBINDING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64638">PGCLIENTENCODING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm60310">PGconn, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm64631">PGCONNECT_TIMEOUT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm172299">pgcrypto, <a class="indexterm" href="pgcrypto.html">pgcrypto — cryptographic functions</a></dt><dt id="ientry-idm38455">PGDATA, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt><dt id="ientry-idm64437">PGDATABASE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64664">PGDATESTYLE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64308">PGEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-PROC">Event Callback Procedure</a></dt><dt id="ientry-idm64678">PGGEQO, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64624">PGGSSDELEGATION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64603">PGGSSENCMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64617">PGGSSLIB, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64415">PGHOST, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64422">PGHOSTADDR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64610">PGKRBSRVNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64652">PGLOADBALANCEHOSTS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64697">PGLOCALEDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64497">PGOPTIONS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64460">PGPASSFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64451">PGPASSWORD, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64430">PGPORT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm172706">pgp_armor_headers, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-ARMOR-HEADERS">pgp_armor_headers</a></dt><dt id="ientry-idm172671">pgp_key_id, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-KEY-ID">pgp_key_id()</a></dt><dt id="ientry-idm172654">pgp_pub_decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-DECRYPT">pgp_pub_decrypt()</a></dt><dt id="ientry-idm172656">pgp_pub_decrypt_bytea, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-DECRYPT">pgp_pub_decrypt()</a></dt><dt id="ientry-idm172641">pgp_pub_encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-ENCRYPT">pgp_pub_encrypt()</a></dt><dt id="ientry-idm172643">pgp_pub_encrypt_bytea, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-ENCRYPT">pgp_pub_encrypt()</a></dt><dt id="ientry-idm172626">pgp_sym_decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-DECRYPT">pgp_sym_decrypt()</a></dt><dt id="ientry-idm172628">pgp_sym_decrypt_bytea, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-DECRYPT">pgp_sym_decrypt()</a></dt><dt id="ientry-idm172614">pgp_sym_encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-ENCRYPT">pgp_sym_encrypt()</a></dt><dt id="ientry-idm172616">pgp_sym_encrypt_bytea, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-ENCRYPT">pgp_sym_encrypt()</a></dt><dt id="ientry-idm64467">PGREQUIREAUTH, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64582">PGREQUIREPEER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64518">PGREQUIRESSL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm62066">PGresult, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm173099">pgrowlocks, <a class="indexterm" href="pgrowlocks.html">pgrowlocks — show a table's row locking information</a>, <a class="indexterm" href="pgrowlocks.html#PGROWLOCKS-OVERVIEW">Overview</a></dt><dt id="ientry-idm64481">PGSERVICE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64488">PGSERVICEFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64533">PGSSLCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64547">PGSSLCERTMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64526">PGSSLCOMPRESSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64561">PGSSLCRL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64568">PGSSLCRLDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64540">PGSSLKEY, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64596">PGSSLMAXPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64589">PGSSLMINPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64511">PGSSLMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64554">PGSSLROOTCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64575">PGSSLSNI, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm173912">pgstatginindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm173948">pgstathashindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm173822">pgstatindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm173715">pgstattuple, <a class="indexterm" href="pgstattuple.html">pgstattuple — obtain tuple-level statistics</a>, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm174028">pgstattuple_approx, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm64690">PGSYSCONFDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64645">PGTARGETSESSIONATTRS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64671">PGTZ, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64444">PGUSER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm79262">pgxs, <a class="indexterm" href="extend-pgxs.html">Extension Building Infrastructure</a></dt><dt id="ientry-idm30834">pg_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30851">pg_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30868">pg_advisory_unlock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30887">pg_advisory_unlock_all, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30895">pg_advisory_unlock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30914">pg_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30931">pg_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm131815">pg_aggregate, <a class="indexterm" href="catalog-pg-aggregate.html">pg_aggregate</a></dt><dt id="ientry-idm132029">pg_am, <a class="indexterm" href="catalog-pg-am.html">pg_am</a></dt><dt id="ientry-idm118065">pg_amcheck, <a class="indexterm" href="app-pgamcheck.html">pg_amcheck</a></dt><dt id="ientry-idm132083">pg_amop, <a class="indexterm" href="catalog-pg-amop.html">pg_amop</a></dt><dt id="ientry-idm132204">pg_amproc, <a class="indexterm" href="catalog-pg-amproc.html">pg_amproc</a></dt><dt id="ientry-idm128478">pg_archivecleanup, <a class="indexterm" href="pgarchivecleanup.html">pg_archivecleanup</a></dt><dt id="ientry-idm132276">pg_attrdef, <a class="indexterm" href="catalog-pg-attrdef.html">pg_attrdef</a></dt><dt id="ientry-idm132327">pg_attribute, <a class="indexterm" href="catalog-pg-attribute.html">pg_attribute</a></dt><dt id="ientry-idm132555">pg_authid, <a class="indexterm" href="catalog-pg-authid.html">pg_authid</a></dt><dt id="ientry-idm132678">pg_auth_members, <a class="indexterm" href="catalog-pg-auth-members.html">pg_auth_members</a></dt><dt id="ientry-idm138429">pg_available_extensions, <a class="indexterm" href="view-pg-available-extensions.html">pg_available_extensions</a></dt><dt id="ientry-idm138476">pg_available_extension_versions, <a class="indexterm" href="view-pg-available-extension-versions.html">pg_available_extension_versions</a></dt><dt id="ientry-idm138554">pg_backend_memory_contexts, <a class="indexterm" href="view-pg-backend-memory-contexts.html">pg_backend_memory_contexts</a></dt><dt id="ientry-idm26898">pg_backend_pid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29479">pg_backup_start, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29495">pg_backup_stop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm118485">pg_basebackup, <a class="indexterm" href="app-pgbasebackup.html">pg_basebackup</a></dt><dt id="ientry-idm26906">pg_blocking_pids, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm172077">pg_buffercache, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm172081">pg_buffercache_pages, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm172083">pg_buffercache_summary, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm29336">pg_cancel_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm132754">pg_cast, <a class="indexterm" href="catalog-pg-cast.html">pg_cast</a></dt><dt id="ientry-idm27755">pg_char_to_encoding, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm128597">pg_checksums, <a class="indexterm" href="app-pgchecksums.html">pg_checksums</a></dt><dt id="ientry-idm132842">pg_class, <a class="indexterm" href="catalog-pg-class.html">pg_class</a></dt><dt id="ientry-idm12801">pg_client_encoding, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm133166">pg_collation, <a class="indexterm" href="catalog-pg-collation.html">pg_collation</a></dt><dt id="ientry-idm30415">pg_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27592">pg_collation_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm179526">PG_COLOR, <a class="indexterm" href="color-when.html">When Color is Used</a></dt><dt id="ientry-idm179541">PG_COLORS, <a class="indexterm" href="color-which.html">Configuring the Colors</a></dt><dt id="ientry-idm30215">pg_column_compression, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30206">pg_column_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm65155">pg_config, <a class="indexterm" href="app-pgconfig.html">pg_config</a>, <a class="indexterm" href="view-pg-config.html">pg_config</a></dt><dd><dl><dt>with
   ecpg, <a class="indexterm" href="ecpg-process.html">Processing Embedded SQL Programs</a></dt><dt>with libpq, <a class="indexterm" href="libpq-build.html">Building libpq Programs</a></dt><dt>with user-defined C functions, <a class="indexterm" href="xfunc-c.html#XFUNC-C-CODE">Writing Code</a></dt></dl></dd><dt id="ientry-idm26918">pg_conf_load_time, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm133282">pg_constraint, <a class="indexterm" href="catalog-pg-constraint.html">pg_constraint</a></dt><dt id="ientry-idm128738">pg_controldata, <a class="indexterm" href="app-pgcontroldata.html">pg_controldata</a></dt><dt id="ientry-idm28983">pg_control_checkpoint, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm29001">pg_control_init, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm29010">pg_control_recovery, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm28992">pg_control_system, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm133532">pg_conversion, <a class="indexterm" href="catalog-pg-conversion.html">pg_conversion</a></dt><dt id="ientry-idm27602">pg_conversion_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm29901">pg_copy_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29877">pg_copy_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29851">pg_create_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29813">pg_create_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29443">pg_create_restore_point, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm38461">pg_ctl, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a>, <a class="indexterm" href="server-start.html">Starting the Database Server</a>, <a class="indexterm" href="app-pg-ctl.html">pg_ctl</a></dt><dt id="ientry-idm26926">pg_current_logfile, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm28716">pg_current_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm29455">pg_current_wal_flush_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29463">pg_current_wal_insert_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29471">pg_current_wal_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28680">pg_current_xact_id, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28690">pg_current_xact_id_if_assigned, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm138665">pg_cursors, <a class="indexterm" href="view-pg-cursors.html">pg_cursors</a></dt><dt id="ientry-idm48285">pg_database, <a class="indexterm" href="manage-ag-templatedbs.html">Template Databases</a>, <a class="indexterm" href="catalog-pg-database.html">pg_database</a></dt><dt id="ientry-idm30427">pg_database_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30225">pg_database_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm133761">pg_db_role_setting, <a class="indexterm" href="catalog-pg-db-role-setting.html">pg_db_role_setting</a></dt><dt id="ientry-idm10235">pg_ddl_command, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm133805">pg_default_acl, <a class="indexterm" href="catalog-pg-default-acl.html">pg_default_acl</a></dt><dt id="ientry-idm133874">pg_depend, <a class="indexterm" href="catalog-pg-depend.html">pg_depend</a></dt><dt id="ientry-idm28435">pg_describe_object, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm134027">pg_description, <a class="indexterm" href="catalog-pg-description.html">pg_description</a></dt><dt id="ientry-idm29839">pg_drop_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm121097">pg_dump, <a class="indexterm" href="app-pgdump.html">pg_dump</a></dt><dt id="ientry-idm39292">pg_dumpall, <a class="indexterm" href="app-pg-dumpall.html">pg_dumpall</a></dt><dd><dl><dt>use during upgrade, <a class="indexterm" href="upgrading.html#UPGRADING-VIA-PGDUMPALL">Upgrading Data via pg_dumpall</a></dt></dl></dd><dt id="ientry-idm27766">pg_encoding_to_char, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm134081">pg_enum, <a class="indexterm" href="catalog-pg-enum.html">pg_enum</a></dt><dt id="ientry-idm134134">pg_event_trigger, <a class="indexterm" href="catalog-pg-event-trigger.html">pg_event_trigger</a></dt><dt id="ientry-idm31090">pg_event_trigger_ddl_commands, <a class="indexterm" href="functions-event-triggers.html#PG-EVENT-TRIGGER-DDL-COMMAND-END-FUNCTIONS">Capturing Changes at Command End</a></dt><dt id="ientry-idm31165">pg_event_trigger_dropped_objects, <a class="indexterm" href="functions-event-triggers.html#PG-EVENT-TRIGGER-SQL-DROP-FUNCTIONS">Processing Objects Dropped by a DDL Command</a></dt><dt id="ientry-idm31279">pg_event_trigger_table_rewrite_oid, <a class="indexterm" href="functions-event-triggers.html#PG-EVENT-TRIGGER-TABLE-REWRITE-FUNCTIONS">Handling a Table Rewrite Event</a></dt><dt id="ientry-idm31287">pg_event_trigger_table_rewrite_reason, <a class="indexterm" href="functions-event-triggers.html#PG-EVENT-TRIGGER-TABLE-REWRITE-FUNCTIONS">Handling a Table Rewrite Event</a></dt><dt id="ientry-idm29768">pg_export_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm134208">pg_extension, <a class="indexterm" href="catalog-pg-extension.html">pg_extension</a></dt><dt id="ientry-idm79095">pg_extension_config_dump, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-CONFIG-TABLES">Extension Configuration Tables</a></dt><dt id="ientry-idm30390">pg_filenode_relation, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm167067">pg_file_rename, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm138744">pg_file_settings, <a class="indexterm" href="view-pg-file-settings.html">pg_file_settings</a></dt><dt id="ientry-idm167061">pg_file_sync, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm167081">pg_file_unlink, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm167053">pg_file_write, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm134292">pg_foreign_data_wrapper, <a class="indexterm" href="catalog-pg-foreign-data-wrapper.html">pg_foreign_data_wrapper</a></dt><dt id="ientry-idm134362">pg_foreign_server, <a class="indexterm" href="catalog-pg-foreign-server.html">pg_foreign_server</a></dt><dt id="ientry-idm134435">pg_foreign_table, <a class="indexterm" href="catalog-pg-foreign-table.html">pg_foreign_table</a></dt><dt id="ientry-idm173007">pg_freespace, <a class="indexterm" href="pgfreespacemap.html#PGFREESPACEMAP-FUNCS">Functions</a></dt><dt id="ientry-idm172991">pg_freespacemap, <a class="indexterm" href="pgfreespacemap.html">pg_freespacemap — examine the free space map</a></dt><dt id="ientry-idm27612">pg_function_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm27776">pg_get_catalog_foreign_keys, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27803">pg_get_constraintdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27816">pg_get_expr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27831">pg_get_functiondef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27843">pg_get_function_arguments, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27854">pg_get_function_identity_arguments, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27865">pg_get_function_result, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27878">pg_get_indexdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27894">pg_get_keywords, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28504">pg_get_object_address, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm27926">pg_get_partkeydef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27938">pg_get_ruledef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27951">pg_get_serial_sequence, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27971">pg_get_statisticsobjdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27981">pg_get_triggerdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27994">pg_get_userbyid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28004">pg_get_viewdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm29684">pg_get_wal_replay_pause_state, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29650">pg_get_wal_resource_managers, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm138820">pg_group, <a class="indexterm" href="view-pg-group.html">pg_group</a></dt><dt id="ientry-idm27390">pg_has_role, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm46537">pg_hba.conf, <a class="indexterm" href="auth-pg-hba-conf.html">The pg_hba.conf File</a></dt><dt id="ientry-idm138866">pg_hba_file_rules, <a class="indexterm" href="view-pg-hba-file-rules.html">pg_hba_file_rules</a></dt><dt id="ientry-idm46977">pg_ident.conf, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm28451">pg_identify_object, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm28480">pg_identify_object_as_address, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm138965">pg_ident_file_mappings, <a class="indexterm" href="view-pg-ident-file-mappings.html">pg_ident_file_mappings</a></dt><dt id="ientry-idm30439">pg_import_system_collations, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm134482">pg_index, <a class="indexterm" href="catalog-pg-index.html">pg_index</a></dt><dt id="ientry-idm28071">pg_indexam_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm139038">pg_indexes, <a class="indexterm" href="view-pg-indexes.html">pg_indexes</a></dt><dt id="ientry-idm30240">pg_indexes_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm28041">pg_index_column_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28057">pg_index_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm134676">pg_inherits, <a class="indexterm" href="catalog-pg-inherits.html">pg_inherits</a></dt><dt id="ientry-idm134726">pg_init_privs, <a class="indexterm" href="catalog-pg-init-privs.html">pg_init_privs</a></dt><dt id="ientry-idm28635">pg_input_error_info, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-VALIDITY">Data Validity Checking Functions</a></dt><dt id="ientry-idm28611">pg_input_is_valid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-VALIDITY">Data Validity Checking Functions</a></dt><dt id="ientry-idm122534">pg_isready, <a class="indexterm" href="app-pg-isready.html">pg_isready</a></dt><dt id="ientry-idm29614">pg_is_in_recovery, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26966">pg_is_other_temp_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29676">pg_is_wal_replay_paused, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26975">pg_jit_available, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm134797">pg_language, <a class="indexterm" href="catalog-pg-language.html">pg_language</a></dt><dt id="ientry-idm134887">pg_largeobject, <a class="indexterm" href="catalog-pg-largeobject.html">pg_largeobject</a></dt><dt id="ientry-idm134940">pg_largeobject_metadata, <a class="indexterm" href="catalog-pg-largeobject-metadata.html">pg_largeobject_metadata</a></dt><dt id="ientry-idm28936">pg_last_committed_xact, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMIT-TIMESTAMP">Committed Transaction Information Functions</a></dt><dt id="ientry-idm29622">pg_last_wal_receive_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29631">pg_last_wal_replay_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29640">pg_last_xact_replay_timestamp, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26987">pg_listening_channels, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm139098">pg_locks, <a class="indexterm" href="view-pg-locks.html">pg_locks</a></dt><dt id="ientry-idm167086">pg_logdir_ls, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm30165">pg_logical_emit_message, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29980">pg_logical_slot_get_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29928">pg_logical_slot_get_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30005">pg_logical_slot_peek_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29956">pg_logical_slot_peek_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29347">pg_log_backend_memory_contexts, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm29781">pg_log_standby_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm10184">pg_lsn, <a class="indexterm" href="datatype-pg-lsn.html">pg_lsn Type</a></dt><dt id="ientry-idm30704">pg_ls_archive_statusdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30597">pg_ls_dir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30618">pg_ls_logdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30650">pg_ls_logicalmapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30667">pg_ls_logicalsnapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30684">pg_ls_replslotdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30721">pg_ls_tmpdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30634">pg_ls_waldir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm139302">pg_matviews, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm31304">pg_mcv_list_items, <a class="indexterm" href="functions-statistics.html#FUNCTIONS-STATISTICS-MCV">Inspecting MCV Lists</a></dt><dt id="ientry-idm26958">pg_my_temp_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm134981">pg_namespace, <a class="indexterm" href="catalog-pg-namespace.html">pg_namespace</a></dt><dt id="ientry-idm26995">pg_notification_queue_usage, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm112311">pg_notify, <a class="indexterm" href="sql-notify.html#id-1.9.3.158.7.5">pg_notify</a></dt><dt id="ientry-idm135026">pg_opclass, <a class="indexterm" href="catalog-pg-opclass.html">pg_opclass</a></dt><dt id="ientry-idm27622">pg_opclass_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm135126">pg_operator, <a class="indexterm" href="catalog-pg-operator.html">pg_operator</a></dt><dt id="ientry-idm27632">pg_operator_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm135271">pg_opfamily, <a class="indexterm" href="catalog-pg-opfamily.html">pg_opfamily</a></dt><dt id="ientry-idm27642">pg_opfamily_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm28085">pg_options_to_table, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm135338">pg_parameter_acl, <a class="indexterm" href="catalog-pg-parameter-acl.html">pg_parameter_acl</a></dt><dt id="ientry-idm135377">pg_partitioned_table, <a class="indexterm" href="catalog-pg-partitioned-table.html">pg_partitioned_table</a></dt><dt id="ientry-idm30483">pg_partition_ancestors, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30492">pg_partition_root, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30466">pg_partition_tree, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm139376">pg_policies, <a class="indexterm" href="view-pg-policies.html">pg_policies</a></dt><dt id="ientry-idm135470">pg_policy, <a class="indexterm" href="catalog-pg-policy.html">pg_policy</a></dt><dt id="ientry-idm27005">pg_postmaster_start_time, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm139450">pg_prepared_statements, <a class="indexterm" href="view-pg-prepared-statements.html">pg_prepared_statements</a></dt><dt id="ientry-idm139532">pg_prepared_xacts, <a class="indexterm" href="view-pg-prepared-xacts.html">pg_prepared_xacts</a></dt><dt id="ientry-idm173035">pg_prewarm, <a class="indexterm" href="pgprewarm.html">pg_prewarm — preload relation data into buffer caches</a></dt><dt id="ientry-idm173074">pg_prewarm.autoprewarm configuration parameter, <a class="indexterm" href="pgprewarm.html#PGPREWARM-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173084">pg_prewarm.autoprewarm_interval configuration parameter, <a class="indexterm" href="pgprewarm.html#PGPREWARM-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm135558">pg_proc, <a class="indexterm" href="catalog-pg-proc.html">pg_proc</a></dt><dt id="ientry-idm29695">pg_promote, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm135847">pg_publication, <a class="indexterm" href="catalog-pg-publication.html">pg_publication</a></dt><dt id="ientry-idm135926">pg_publication_namespace, <a class="indexterm" href="catalog-pg-publication-namespace.html">pg_publication_namespace</a></dt><dt id="ientry-idm135967">pg_publication_rel, <a class="indexterm" href="catalog-pg-publication-rel.html">pg_publication_rel</a></dt><dt id="ientry-idm139590">pg_publication_tables, <a class="indexterm" href="view-pg-publication-tables.html">pg_publication_tables</a></dt><dt id="ientry-idm136026">pg_range, <a class="indexterm" href="catalog-pg-range.html">pg_range</a></dt><dt id="ientry-idm30767">pg_read_binary_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30743">pg_read_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm122684">pg_receivewal, <a class="indexterm" href="app-pgreceivewal.html">pg_receivewal</a></dt><dt id="ientry-idm179660">pg_receivexlog, <a class="indexterm" href="app-pgreceivexlog.html">pg_receivexlog renamed to pg_receivewal</a> (see <a href="#ientry-idm122684">pg_receivewal</a>)</dt><dt id="ientry-idm123007">pg_recvlogical, <a class="indexterm" href="app-pgrecvlogical.html">pg_recvlogical</a></dt><dt id="ientry-idm30364">pg_relation_filenode, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30379">pg_relation_filepath, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30249">pg_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29360">pg_reload_conf, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm174014">pg_relpages, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm136114">pg_replication_origin, <a class="indexterm" href="catalog-pg-replication-origin.html">pg_replication_origin</a></dt><dt id="ientry-idm30140">pg_replication_origin_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30047">pg_replication_origin_create, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30057">pg_replication_origin_drop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30067">pg_replication_origin_oid, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30152">pg_replication_origin_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30098">pg_replication_origin_session_is_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30106">pg_replication_origin_session_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30089">pg_replication_origin_session_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30078">pg_replication_origin_session_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm139655">pg_replication_origin_status, <a class="indexterm" href="view-pg-replication-origin-status.html">pg_replication_origin_status</a></dt><dt id="ientry-idm30131">pg_replication_origin_xact_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30117">pg_replication_origin_xact_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm139704">pg_replication_slots, <a class="indexterm" href="view-pg-replication-slots.html">pg_replication_slots</a></dt><dt id="ientry-idm30030">pg_replication_slot_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm129340">pg_resetwal, <a class="indexterm" href="app-pgresetwal.html">pg_resetwal</a></dt><dt id="ientry-idm179645">pg_resetxlog, <a class="indexterm" href="app-pgresetxlog.html">pg_resetxlog renamed to pg_resetwal</a> (see <a href="#ientry-idm129340">pg_resetwal</a>)</dt><dt id="ientry-idm123315">pg_restore, <a class="indexterm" href="app-pgrestore.html">pg_restore</a></dt><dt id="ientry-idm129580">pg_rewind, <a class="indexterm" href="app-pgrewind.html">pg_rewind</a></dt><dt id="ientry-idm136147">pg_rewrite, <a class="indexterm" href="catalog-pg-rewrite.html">pg_rewrite</a></dt><dt id="ientry-idm139860">pg_roles, <a class="indexterm" href="view-pg-roles.html">pg_roles</a></dt><dt id="ientry-idm29377">pg_rotate_logfile, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm139962">pg_rules, <a class="indexterm" href="view-pg-rules.html">pg_rules</a></dt><dt id="ientry-idm27013">pg_safe_snapshot_blocking_pids, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm136233">pg_seclabel, <a class="indexterm" href="catalog-pg-seclabel.html">pg_seclabel</a></dt><dt id="ientry-idm140019">pg_seclabels, <a class="indexterm" href="view-pg-seclabels.html">pg_seclabels</a></dt><dt id="ientry-idm136291">pg_sequence, <a class="indexterm" href="catalog-pg-sequence.html">pg_sequence</a></dt><dt id="ientry-idm140100">pg_sequences, <a class="indexterm" href="view-pg-sequences.html">pg_sequences</a></dt><dt id="ientry-idm64739">pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm140197">pg_settings, <a class="indexterm" href="view-pg-settings.html">pg_settings</a></dt><dt id="ientry-idm28103">pg_settings_get_flags, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm140418">pg_shadow, <a class="indexterm" href="view-pg-shadow.html">pg_shadow</a></dt><dt id="ientry-idm136366">pg_shdepend, <a class="indexterm" href="catalog-pg-shdepend.html">pg_shdepend</a></dt><dt id="ientry-idm136478">pg_shdescription, <a class="indexterm" href="catalog-pg-shdescription.html">pg_shdescription</a></dt><dt id="ientry-idm140506">pg_shmem_allocations, <a class="indexterm" href="view-pg-shmem-allocations.html">pg_shmem_allocations</a></dt><dt id="ientry-idm136526">pg_shseclabel, <a class="indexterm" href="catalog-pg-shseclabel.html">pg_shseclabel</a></dt><dt id="ientry-idm30280">pg_size_bytes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30297">pg_size_pretty, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm18440">pg_sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18442">pg_sleep_for, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18444">pg_sleep_until, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm28726">pg_snapshot_xip, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28735">pg_snapshot_xmax, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28745">pg_snapshot_xmin, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm29557">pg_split_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm53530">pg_statio_all_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STATIO-ALL-INDEXES-VIEW">pg_statio_all_indexes</a></dt><dt id="ientry-idm53552">pg_statio_all_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STATIO-ALL-SEQUENCES-VIEW">pg_statio_all_sequences</a></dt><dt id="ientry-idm53508">pg_statio_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STATIO-ALL-TABLES-VIEW">pg_statio_all_tables</a></dt><dt id="ientry-idm53538">pg_statio_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53560">pg_statio_sys_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53516">pg_statio_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53545">pg_statio_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53567">pg_statio_user_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53523">pg_statio_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm35373">pg_statistic, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-SINGLE-COLUMN">Single-Column Statistics</a>, <a class="indexterm" href="catalog-pg-statistic.html">pg_statistic</a></dt><dt id="ientry-idm27652">pg_statistics_obj_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm35420">pg_statistic_ext, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-EXTENDED">Extended Statistics</a>, <a class="indexterm" href="catalog-pg-statistic-ext.html">pg_statistic_ext</a></dt><dt id="ientry-idm35422">pg_statistic_ext_data, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-EXTENDED">Extended Statistics</a>, <a class="indexterm" href="catalog-pg-statistic-ext.html">pg_statistic_ext</a></dt><dt id="ientry-idm35385">pg_stats, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-SINGLE-COLUMN">Single-Column Statistics</a>, <a class="indexterm" href="view-pg-stats.html">pg_stats</a></dt><dt id="ientry-idm140689">pg_stats_ext, <a class="indexterm" href="view-pg-stats-ext.html">pg_stats_ext</a></dt><dt id="ientry-idm140837">pg_stats_ext_exprs, <a class="indexterm" href="view-pg-stats-ext-exprs.html">pg_stats_ext_exprs</a></dt><dt id="ientry-idm53239">pg_stat_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-ACTIVITY-VIEW">pg_stat_activity</a></dt><dt id="ientry-idm53469">pg_stat_all_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-ALL-INDEXES-VIEW">pg_stat_all_indexes</a></dt><dt id="ientry-idm53424">pg_stat_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-ALL-TABLES-VIEW">pg_stat_all_tables</a></dt><dt id="ientry-idm53352">pg_stat_archiver, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-ARCHIVER-VIEW">pg_stat_archiver</a></dt><dt id="ientry-idm53360">pg_stat_bgwriter, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-BGWRITER-VIEW">pg_stat_bgwriter</a></dt><dt id="ientry-idm57043">pg_stat_clear_snapshot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53368">pg_stat_database, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-DATABASE-VIEW">pg_stat_database</a></dt><dt id="ientry-idm53376">pg_stat_database_conflicts, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-DATABASE-CONFLICTS-VIEW">pg_stat_database_conflicts</a></dt><dt id="ientry-idm30792">pg_stat_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm57001">pg_stat_get_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57162">pg_stat_get_backend_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57171">pg_stat_get_backend_activity_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57180">pg_stat_get_backend_client_addr, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57189">pg_stat_get_backend_client_port, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57198">pg_stat_get_backend_dbid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57207">pg_stat_get_backend_idset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57215">pg_stat_get_backend_pid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57224">pg_stat_get_backend_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57233">pg_stat_get_backend_subxact, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57244">pg_stat_get_backend_userid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57253">pg_stat_get_backend_wait_event, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57264">pg_stat_get_backend_wait_event_type, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57274">pg_stat_get_backend_xact_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57012">pg_stat_get_snapshot_timestamp, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57022">pg_stat_get_xact_blocks_fetched, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57033">pg_stat_get_xact_blocks_hit, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53287">pg_stat_gssapi, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-GSSAPI-VIEW">pg_stat_gssapi</a></dt><dt id="ientry-idm53384">pg_stat_io, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-IO-VIEW">pg_stat_io</a></dt><dt id="ientry-idm53295">pg_stat_progress_analyze, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#ANALYZE-PROGRESS-REPORTING">ANALYZE Progress Reporting</a></dt><dt id="ientry-idm53329">pg_stat_progress_basebackup, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#BASEBACKUP-PROGRESS-REPORTING">Base Backup Progress Reporting</a></dt><dt id="ientry-idm53320">pg_stat_progress_cluster, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#CLUSTER-PROGRESS-REPORTING">CLUSTER Progress Reporting</a></dt><dt id="ientry-idm53336">pg_stat_progress_copy, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#COPY-PROGRESS-REPORTING">COPY Progress Reporting</a></dt><dt id="ientry-idm53303">pg_stat_progress_create_index, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#CREATE-INDEX-PROGRESS-REPORTING">CREATE INDEX Progress Reporting</a></dt><dt id="ientry-idm53312">pg_stat_progress_vacuum, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="progress-reporting.html#VACUUM-PROGRESS-REPORTING">VACUUM Progress Reporting</a></dt><dt id="ientry-idm53263">pg_stat_recovery_prefetch, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-RECOVERY-PREFETCH">pg_stat_recovery_prefetch</a></dt><dt id="ientry-idm53247">pg_stat_replication, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-REPLICATION-VIEW">pg_stat_replication</a></dt><dt id="ientry-idm53392">pg_stat_replication_slots, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-REPLICATION-SLOTS-VIEW">pg_stat_replication_slots</a></dt><dt id="ientry-idm57051">pg_stat_reset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57119">pg_stat_reset_replication_slot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57060">pg_stat_reset_shared, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57090">pg_stat_reset_single_function_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57080">pg_stat_reset_single_table_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57100">pg_stat_reset_slru, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57130">pg_stat_reset_subscription_stats, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53400">pg_stat_slru, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SLRU-VIEW">pg_stat_slru</a></dt><dt id="ientry-idm53279">pg_stat_ssl, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SSL-VIEW">pg_stat_ssl</a></dt><dt id="ientry-idm173188">pg_stat_statements, <a class="indexterm" href="pgstatstatements.html">pg_stat_statements — track statistics of SQL planning and execution</a></dt><dd><dl><dt>function, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-FUNCS">Functions</a></dt></dl></dd><dt id="ientry-idm173635">pg_stat_statements.max configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173689">pg_stat_statements.save configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173647">pg_stat_statements.track configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173677">pg_stat_statements.track_planning configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173661">pg_stat_statements.track_utility configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173561">pg_stat_statements_info, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-PG-STAT-STATEMENTS-INFO">The pg_stat_statements_info View</a></dt><dt id="ientry-idm173598">pg_stat_statements_reset, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-FUNCS">Functions</a></dt><dt id="ientry-idm53271">pg_stat_subscription, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SUBSCRIPTION">pg_stat_subscription</a></dt><dt id="ientry-idm53408">pg_stat_subscription_stats, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SUBSCRIPTION-STATS">pg_stat_subscription_stats</a></dt><dt id="ientry-idm53477">pg_stat_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53432">pg_stat_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53491">pg_stat_user_functions, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-USER-FUNCTIONS-VIEW">pg_stat_user_functions</a></dt><dt id="ientry-idm53484">pg_stat_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53439">pg_stat_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53416">pg_stat_wal, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-WAL-VIEW">pg_stat_wal</a></dt><dt id="ientry-idm53255">pg_stat_wal_receiver, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a>, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-WAL-RECEIVER-VIEW">pg_stat_wal_receiver</a></dt><dt id="ientry-idm53446">pg_stat_xact_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53455">pg_stat_xact_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53499">pg_stat_xact_user_functions, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53462">pg_stat_xact_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm136913">pg_subscription, <a class="indexterm" href="catalog-pg-subscription.html">pg_subscription</a></dt><dt id="ientry-idm137059">pg_subscription_rel, <a class="indexterm" href="catalog-pg-subscription-rel.html">pg_subscription_rel</a></dt><dt id="ientry-idm174119">pg_surgery, <a class="indexterm" href="pgsurgery.html">pg_surgery — perform low-level surgery on relation data</a></dt><dt id="ientry-idm29523">pg_switch_wal, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm140996">pg_tables, <a class="indexterm" href="view-pg-tables.html">pg_tables</a></dt><dt id="ientry-idm137118">pg_tablespace, <a class="indexterm" href="catalog-pg-tablespace.html">pg_tablespace</a></dt><dt id="ientry-idm28115">pg_tablespace_databases, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28127">pg_tablespace_location, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm30320">pg_tablespace_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27662">pg_table_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm30311">pg_table_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm44570">pg_temp, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dd><dl><dt>securing functions, <a class="indexterm" href="sql-createfunction.html#SQL-CREATEFUNCTION-SECURITY">Writing SECURITY DEFINER Functions Safely</a></dt></dl></dd><dt id="ientry-idm29385">pg_terminate_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm129812">pg_test_fsync, <a class="indexterm" href="pgtestfsync.html">pg_test_fsync</a></dt><dt id="ientry-idm129890">pg_test_timing, <a class="indexterm" href="pgtesttiming.html">pg_test_timing</a></dt><dt id="ientry-idm141085">pg_timezone_abbrevs, <a class="indexterm" href="view-pg-timezone-abbrevs.html">pg_timezone_abbrevs</a></dt><dt id="ientry-idm141123">pg_timezone_names, <a class="indexterm" href="view-pg-timezone-names.html">pg_timezone_names</a></dt><dt id="ientry-idm30335">pg_total_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm137173">pg_transform, <a class="indexterm" href="catalog-pg-transform.html">pg_transform</a></dt><dt id="ientry-idm174150">pg_trgm, <a class="indexterm" href="pgtrgm.html">pg_trgm —
   support for similarity of text using trigram matching</a></dt><dt id="ientry-idm174401">pg_trgm.similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm174422">pg_trgm.strict_word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm174411">pg_trgm.word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm137233">pg_trigger, <a class="indexterm" href="catalog-pg-trigger.html">pg_trigger</a></dt><dt id="ientry-idm27027">pg_trigger_depth, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm30948">pg_try_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30967">pg_try_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30986">pg_try_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm31005">pg_try_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm137420">pg_ts_config, <a class="indexterm" href="catalog-pg-ts-config.html">pg_ts_config</a></dt><dt id="ientry-idm27672">pg_ts_config_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137482">pg_ts_config_map, <a class="indexterm" href="catalog-pg-ts-config-map.html">pg_ts_config_map</a></dt><dt id="ientry-idm137535">pg_ts_dict, <a class="indexterm" href="catalog-pg-ts-dict.html">pg_ts_dict</a></dt><dt id="ientry-idm27682">pg_ts_dict_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137601">pg_ts_parser, <a class="indexterm" href="catalog-pg-ts-parser.html">pg_ts_parser</a></dt><dt id="ientry-idm27692">pg_ts_parser_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137687">pg_ts_template, <a class="indexterm" href="catalog-pg-ts-template.html">pg_ts_template</a></dt><dt id="ientry-idm27702">pg_ts_template_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137746">pg_type, <a class="indexterm" href="catalog-pg-type.html">pg_type</a></dt><dt id="ientry-idm28137">pg_typeof, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27712">pg_type_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm129981">pg_upgrade, <a class="indexterm" href="pgupgrade.html">pg_upgrade</a></dt><dt id="ientry-idm141169">pg_user, <a class="indexterm" href="view-pg-user.html">pg_user</a></dt><dt id="ientry-idm138187">pg_user_mapping, <a class="indexterm" href="catalog-pg-user-mapping.html">pg_user_mapping</a></dt><dt id="ientry-idm141244">pg_user_mappings, <a class="indexterm" href="view-pg-user-mappings.html">pg_user_mappings</a></dt><dt id="ientry-idm123947">pg_verifybackup, <a class="indexterm" href="app-pgverifybackup.html">pg_verifybackup</a></dt><dt id="ientry-idm141323">pg_views, <a class="indexterm" href="view-pg-views.html">pg_views</a></dt><dt id="ientry-idm174516">pg_visibility, <a class="indexterm" href="pgvisibility.html">pg_visibility — visibility map information and utilities</a></dt><dt id="ientry-idm28755">pg_visible_in_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm130481">pg_waldump, <a class="indexterm" href="pgwaldump.html">pg_waldump</a></dt><dt id="ientry-idm29533">pg_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29543">pg_walfile_name_offset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm174580">pg_walinspect, <a class="indexterm" href="pgwalinspect.html">pg_walinspect — low-level WAL inspection</a></dt><dt id="ientry-idm29571">pg_wal_lsn_diff, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29721">pg_wal_replay_pause, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29732">pg_wal_replay_resume, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28914">pg_xact_commit_timestamp, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMIT-TIMESTAMP">Committed Transaction Information Functions</a></dt><dt id="ientry-idm28923">pg_xact_commit_timestamp_origin, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMIT-TIMESTAMP">Committed Transaction Information Functions</a></dt><dt id="ientry-idm28699">pg_xact_status, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm179630">pg_xlogdump, <a class="indexterm" href="pgxlogdump.html">pg_xlogdump renamed to pg_waldump</a> (see <a href="#ientry-idm130481">pg_waldump</a>)</dt><dt id="ientry-idm34299">phantom read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm20216">phraseto_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES">Parsing Queries</a></dt><dt id="ientry-idm11551">pi, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm77277">PIC, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt id="ientry-idm61718">PID</dt><dd><dl><dt>determining PID of server process</dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt></dl></dd></dl></dd><dt id="ientry-idm63097">pipelining, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a>, <a class="indexterm" href="protocol-flow.html#PROTOCOL-FLOW-PIPELINING">Pipelining</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-pipeline-mode.html">Pipeline Mode</a></dt><dt>protocol specification, <a class="indexterm" href="protocol-flow.html#PROTOCOL-FLOW-PIPELINING">Pipelining</a></dt></dl></dd><dt id="ientry-idm51813">PITR, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm52441">PITR standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm36068">pkg-config, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dd><dl><dt>with
   ecpg, <a class="indexterm" href="ecpg-process.html">Processing Embedded SQL Programs</a></dt><dt>with
      libpq, <a class="indexterm" href="libpq-build.html">Building libpq Programs</a></dt></dl></dd><dt id="ientry-idm85502">PL/Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm85960">PL/PerlU, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt><dt id="ientry-idm82356">PL/pgSQL, <a class="indexterm" href="plpgsql.html">PL/pgSQL — SQL Procedural Language</a></dt><dt id="ientry-idm86197">PL/Python, <a class="indexterm" href="plpython.html">PL/Python — Python Procedural Language</a></dt><dt id="ientry-idm84787">PL/SQL (Oracle), <a class="indexterm" href="plpgsql-porting.html">Porting from Oracle PL/SQL</a></dt><dd><dl><dt>porting to PL/pgSQL, <a class="indexterm" href="plpgsql-porting.html">Porting from Oracle PL/SQL</a></dt></dl></dd><dt id="ientry-idm85000">PL/Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm20199">plainto_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES">Parsing Queries</a></dt><dt id="ientry-idm42955">plan_cache_mode configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm86123">plperl.on_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86154">plperl.on_plperlu_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86148">plperl.on_plperl_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86170">plperl.use_strict configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm84256">plpgsql.check_asserts configuration parameter, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt><dt id="ientry-idm84561">plpgsql.variable_conflict configuration parameter, <a class="indexterm" href="plpgsql-implementation.html#PLPGSQL-VAR-SUBST">Variable Substitution</a></dt><dt id="ientry-idm85473">pltcl.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm85487">pltclu.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm8113">point, <a class="indexterm" href="datatype-geometric.html#DATATYPE-GEOMETRIC-POINTS">Points</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm51811">point-in-time recovery, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm3550">policy, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm8259">polygon, <a class="indexterm" href="datatype-geometric.html#DATATYPE-POLYGON">Polygons</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm75997">polymorphic function, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm75995">polymorphic type, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm13818">popcount (see <a href="#ientry-idm13816">bit_count</a>)</dt><dt id="ientry-idm19256">popen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm170282">populate_record, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm60900">port, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm40056">port configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm83859">portal</dt><dd><dl><dt>DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-cursors.html#PLPGSQL-CURSOR-OPENING">Opening Cursors</a></dt></dl></dd><dt id="ientry-idm12424">position, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm15893">POSITION_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm110">POSTGRES, <a class="indexterm" href="history.html#HISTORY-BERKELEY">The Berkeley POSTGRES Project</a></dt><dt id="ientry-idm417">postgres, <a class="indexterm" href="tutorial-arch.html">Architectural Fundamentals</a>, <a class="indexterm" href="server-start.html">Starting the Database Server</a>, <a class="indexterm" href="manage-ag-createdb.html">Creating a Database</a>, <a class="indexterm" href="app-postgres.html">postgres</a></dt><dt id="ientry-idm38405">postgres user, <a class="indexterm" href="postgres-user.html">The PostgreSQL User Account</a></dt><dt id="ientry-idm143">Postgres95, <a class="indexterm" href="history.html#HISTORY-POSTGRES95">Postgres95</a></dt><dt id="ientry-idm39815">postgresql.auto.conf, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a></dt><dt id="ientry-idm39799">postgresql.conf, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a></dt><dt id="ientry-idm174700">postgres_fdw, <a class="indexterm" href="postgres-fdw.html">postgres_fdw —
   access data stored in external PostgreSQL
   servers</a></dt><dt id="ientry-idm175211">postgres_fdw.application_name configuration parameter, <a class="indexterm" href="postgres-fdw.html#POSTGRES-FDW-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm46028">post_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm11563">power, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm61713">PQbackendPID, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62491">PQbinaryTuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dd><dl><dt>with COPY, <a class="indexterm" href="libpq-copy.html">Functions Associated with the COPY Command</a></dt></dl></dd><dt id="ientry-idm63397">PQcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm62354">PQclear, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm63814">PQclientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm62587">PQcmdStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm62599">PQcmdTuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm60548">PQconndefaults, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60373">PQconnectdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60333">PQconnectdbParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61731">PQconnectionNeedsPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61749">PQconnectionUsedGSSAPI, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61740">PQconnectionUsedPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60426">PQconnectPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60422">PQconnectStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60418">PQconnectStartParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60564">PQconninfo, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63944">PQconninfoFree, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60578">PQconninfoParse, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm62997">PQconsumeInput, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm64044">PQcopyResult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61481">PQdb, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62045">PQdescribePortal, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62023">PQdescribePrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm63988">PQencryptPassword, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63957">PQencryptPasswordConn, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63778">PQendcopy, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63251">PQenterPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm61687">PQerrorMessage, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62802">PQescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62773">PQescapeByteaConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62693">PQescapeIdentifier, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62662">PQescapeLiteral, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62752">PQescapeString, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62718">PQescapeStringConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm61869">PQexec, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61890">PQexecParams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62009">PQexecPrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm63261">PQexitPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm62448">PQfformat, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dd><dl><dt>with COPY, <a class="indexterm" href="libpq-copy.html">Functions Associated with the COPY Command</a></dt></dl></dd><dt id="ientry-idm60610">PQfinish, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm64024">PQfireResultCreateEvents, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63079">PQflush, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62471">PQfmod, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63439">PQfn, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm62394">PQfname, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62406">PQfnumber, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63385">PQfreeCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm63927">PQfreemem, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62481">PQfsize, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62424">PQftable, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62439">PQftablecol, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62457">PQftype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63365">PQgetCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm63660">PQgetCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-RECEIVE">Functions for Receiving COPY Data</a></dt><dt id="ientry-idm62526">PQgetisnull, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62539">PQgetlength, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63701">PQgetline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63719">PQgetlineAsync, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm62952">PQgetResult, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61845">PQgetssl, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60729">PQgetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm62505">PQgetvalue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61510">PQhost, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61534">PQhostaddr, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm65053">PQinitOpenSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm65072">PQinitSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm64364">PQinstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63017">PQisBusy, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm63070">PQisnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm65103">PQisthreadsafe, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt><dt id="ientry-idm64121">PQlibVersion, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm61673">PQserverVersion</a>)</dt></dl></dd><dt id="ientry-idm64001">PQmakeEmptyPGresult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62386">PQnfields, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dd><dl><dt>with COPY, <a class="indexterm" href="libpq-copy.html">Functions Associated with the COPY Command</a></dt></dl></dd><dt id="ientry-idm63500">PQnotifies, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a></dt><dt id="ientry-idm62552">PQnparams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62375">PQntuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62646">PQoidStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm62628">PQoidValue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm61577">PQoptions, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61622">PQparameterStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62562">PQparamtype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61497">PQpass, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60686">PQping, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60655">PQpingParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63218">PQpipelineStatus, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm63272">PQpipelineSync, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm61548">PQport, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61971">PQprepare, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62572">PQprint, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61664">PQprotocolVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63609">PQputCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm63627">PQputCopyEnd, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm63746">PQputline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63767">PQputnbytes, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm64331">PQregisterEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63417">PQrequestCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm60625">PQreset, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60638">PQresetPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60634">PQresetStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm62169">PQresStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm64095">PQresultAlloc, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62215">PQresultErrorField, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62178">PQresultErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm64392">PQresultInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm64108">PQresultMemorySize, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm64376">PQresultSetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm62076">PQresultStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62197">PQresultVerboseErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62941">PQsendDescribePortal, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62930">PQsendDescribePrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm63284">PQsendFlushRequest, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm62909">PQsendPrepare, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62884">PQsendQuery, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62898">PQsendQueryParams, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62920">PQsendQueryPrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61673">PQserverVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63826">PQsetClientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm60406">PQsetdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60386">PQsetdbLogin, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63859">PQsetErrorContextVisibility, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm63839">PQsetErrorVerbosity, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm64350">PQsetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63051">PQsetnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm64156">PQsetNoticeProcessor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64151">PQsetNoticeReceiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64063">PQsetResultAttrs, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63340">PQsetSingleRowMode, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt><dt id="ientry-idm60698">PQsetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63899">PQsetTraceFlags, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm64078">PQsetvalue, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61705">PQsocket, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61768">PQsslAttribute, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61816">PQsslAttributeNames, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61760">PQsslInUse, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61829">PQsslStruct, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61588">PQstatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63883">PQtrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61608">PQtransactionStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61566">PQtty, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62821">PQunescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm63914">PQuntrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61489">PQuser, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm34483">predicate locking, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm112336">PREPARE, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dt id="ientry-idm112451">PREPARE TRANSACTION, <a class="indexterm" href="sql-prepare-transaction.html">PREPARE TRANSACTION</a></dt><dt id="ientry-idm106926">prepared statements, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a>, <a class="indexterm" href="sql-execute.html">EXECUTE</a>, <a class="indexterm" href="sql-explain.html">EXPLAIN</a>, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dd><dl><dt>creating, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dt>executing, <a class="indexterm" href="sql-execute.html">EXECUTE</a></dt><dt>removing, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a></dt><dt>showing the query plan, <a class="indexterm" href="sql-explain.html">EXPLAIN</a></dt></dl></dd><dt id="ientry-idm84608">preparing a query</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-implementation.html#PLPGSQL-PLAN-CACHING">Plan Caching</a></dt><dt>in PL/Python, <a class="indexterm" href="plpython-database.html#PLPYTHON-DATABASE-ACCESS-FUNCS">Database Access Functions</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-dbaccess.html">Database Access from PL/Tcl</a></dt></dl></dd><dt id="ientry-idm46037">pre_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm2750">primary key, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-PRIMARY-KEYS">Primary Keys</a></dt><dt id="ientry-idm42163">primary_conninfo configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42183">primary_slot_name configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm3057">privilege, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PRIV">Schemas and Privileges</a>, <a class="indexterm" href="rules-privileges.html">Rules and Privileges</a>, <a class="indexterm" href="rules-privileges.html">Rules and Privileges</a></dt><dd><dl><dt>querying, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt>with rules, <a class="indexterm" href="rules-privileges.html">Rules and Privileges</a></dt><dt>for schemas, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PRIV">Schemas and Privileges</a></dt><dt>with views, <a class="indexterm" href="rules-privileges.html">Rules and Privileges</a></dt></dl></dd><dt id="ientry-idm82246">procedural language, <a class="indexterm" href="xplang.html">Procedural Languages</a>, <a class="indexterm" href="plhandler.html">Writing a Procedural Language Handler</a></dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-pl.html">Procedural Languages</a></dt><dt>handler for, <a class="indexterm" href="plhandler.html">Writing a Procedural Language Handler</a></dt></dl></dd><dt id="ientry-idm76201">procedure, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt><dd><dl><dt>user-defined, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt></dl></dd><dt id="ientry-idm76430">procedures</dt><dd><dl><dt>output parameter, <a class="indexterm" href="xfunc-sql.html#XFUNC-OUTPUT-PARAMETERS-PROC">SQL Procedures with Output Parameters</a></dt></dl></dd><dt id="ientry-idm141373">protocol, <a class="indexterm" href="protocol.html">Frontend/Backend Protocol</a></dt><dd><dl><dt>frontend-backend, <a class="indexterm" href="protocol.html">Frontend/Backend Protocol</a></dt></dl></dd><dt id="ientry-idm53136">ps, <a class="indexterm" href="monitoring-ps.html">Standard Unix Tools</a></dt><dd><dl><dt>to monitor activity, <a class="indexterm" href="monitoring-ps.html">Standard Unix Tools</a></dt></dl></dd><dt id="ientry-idm490">psql, <a class="indexterm" href="tutorial-accessdb.html">Accessing a Database</a>, <a class="indexterm" href="app-psql.html">psql</a></dt><dt id="ientry-idm86199">Python, <a class="indexterm" href="plpython.html">PL/Python — Python Procedural Language</a></dt></dl></div><div class="indexdiv" id="indexdiv-Q"><h3>Q</h3><dl><dt id="ientry-idm3693">qualified name, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CREATE">Creating a Schema</a></dt><dt id="ientry-idm700">query, <a class="indexterm" href="tutorial-select.html">Querying a Table</a>, <a class="indexterm" href="queries.html">Queries</a></dt><dt id="ientry-idm35129">query plan, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a></dt><dt id="ientry-idm81514">query tree, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm20254">querytree, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY">Manipulating Queries</a></dt><dt id="ientry-idm1234">quotation marks</dt><dd><dl><dt>and identifiers, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dt>escaping, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS">String Constants</a></dt></dl></dd><dt id="ientry-idm45560">quote_all_identifiers configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm12812">quote_ident, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt><dt>use in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN">Executing Dynamic Commands</a></dt></dl></dd><dt id="ientry-idm12826">quote_literal, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt><dt>use in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN">Executing Dynamic Commands</a></dt></dl></dd><dt id="ientry-idm12852">quote_nullable, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS">Utility Functions in PL/Perl</a></dt><dt>use in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN">Executing Dynamic Commands</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-R"><h3>R</h3><dl><dt id="ientry-idm11587">radians, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19268">radius, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47588">RADIUS, <a class="indexterm" href="auth-radius.html">RADIUS Authentication</a></dt><dt id="ientry-idm84112">RAISE</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-RAISE">Reporting Errors and Messages</a></dt></dl></dd><dt id="ientry-idm11793">random, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11804">random_normal, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm42636">random_page_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm81540">range table, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm9697">range type, <a class="indexterm" href="rangetypes.html">Range Types</a></dt><dd><dl><dt>exclude, <a class="indexterm" href="rangetypes.html#RANGETYPES-CONSTRAINT">Constraints on Ranges</a></dt><dt>indexes on, <a class="indexterm" href="rangetypes.html#RANGETYPES-INDEXING">Indexing</a></dt></dl></dd><dt id="ientry-idm25350">range_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25366">range_intersect_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24768">range_merge, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm25978">rank, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dd><dl><dt>hypothetical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm34365">read committed, <a class="indexterm" href="transaction-iso.html#XACT-READ-COMMITTED">Read Committed Isolation Level</a></dt><dt id="ientry-idm44719">read-only transaction, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dd><dl><dt>setting, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt>setting default, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm36030">readline, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm127004">Readline</dt><dd><dl><dt>in psql, <a class="indexterm" href="app-psql.html#APP-PSQL-READLINE">Command-Line Editing</a></dt></dl></dd><dt id="ientry-idm142137">READ_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm6417">real, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm112538">REASSIGN OWNED, <a class="indexterm" href="sql-reassign-owned.html">REASSIGN OWNED</a></dt><dt id="ientry-idm10203">record, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm179590">recovery.conf, <a class="indexterm" href="recovery-config.html">recovery.conf file merged into postgresql.conf</a></dt><dt id="ientry-idm41772">recovery.signal, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm41828">recovery_end_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm45678">recovery_init_sync_method configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm42298">recovery_min_apply_delay configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm41731">recovery_prefetch configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm41852">recovery_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41945">recovery_target_action configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41912">recovery_target_inclusive configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41898">recovery_target_lsn configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41863">recovery_target_name configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41873">recovery_target_time configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41927">recovery_target_timeline configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41888">recovery_target_xid configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm8199">rectangle, <a class="indexterm" href="datatype-geometric.html#DATATYPE-GEOMETRIC-BOXES">Boxes</a></dt><dt id="ientry-idm5652">RECURSIVE, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dd><dl><dt>in common table expressions, <a class="indexterm" href="queries-with.html#QUERIES-WITH-RECURSIVE">Recursive Queries</a></dt><dt>in views, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt></dl></dd><dt id="ientry-idm42969">recursive_worktable_factor configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm949">referential integrity, <a class="indexterm" href="tutorial-fk.html">Foreign Keys</a>, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt><dt id="ientry-idm112603">REFRESH MATERIALIZED VIEW, <a class="indexterm" href="sql-refreshmaterializedview.html">REFRESH MATERIALIZED VIEW</a></dt><dt id="ientry-idm9949">regclass, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9951">regcollation, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9953">regconfig, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9955">regdictionary, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm12878">regexp_count, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm12900">regexp_instr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm12932">regexp_like, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm12952">regexp_match, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm12972">regexp_matches, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm12994">regexp_replace, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm13043">regexp_split_to_array, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm13062">regexp_split_to_table, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm13082">regexp_substr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm9957">regnamespace, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9959">regoper, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9961">regoperator, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9963">regproc, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9965">regprocedure, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25635">regression intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25665">regression slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm36267">regression test, <a class="indexterm" href="install-make.html#INSTALL-PROCEDURE-MAKE">Installation Procedure</a>, <a class="indexterm" href="install-meson.html#INSTALL-PROCEDURE-MESON">Installation Procedure</a></dt><dt id="ientry-idm59882">regression tests, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm9967">regrole, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25590">regr_avgx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25606">regr_avgy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25622">regr_count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25637">regr_intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25652">regr_r2, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25667">regr_slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25682">regr_sxx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25700">regr_sxy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25720">regr_syy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm9969">regtype, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm14586">regular expression, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm14483">pattern matching</a>)</dt></dl></dd><dt id="ientry-idm48531">regular expressions</dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm51486">reindex, <a class="indexterm" href="routine-reindex.html">Routine Reindexing</a></dt><dt id="ientry-idm112671">REINDEX, <a class="indexterm" href="sql-reindex.html">REINDEX</a></dt><dt id="ientry-idm127277">reindexdb, <a class="indexterm" href="app-reindexdb.html">reindexdb</a></dt><dt id="ientry-idm603">relation, <a class="indexterm" href="tutorial-concepts.html">Concepts</a></dt><dt id="ientry-idm597">relational database, <a class="indexterm" href="tutorial-concepts.html">Concepts</a></dt><dt id="ientry-idm112933">RELEASE SAVEPOINT, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a></dt><dt id="ientry-idm46315">remove_temp_files_after_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm13113">repeat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm34446">repeatable read, <a class="indexterm" href="transaction-iso.html#XACT-REPEATABLE-READ">Repeatable Read Isolation Level</a></dt><dt id="ientry-idm13130">replace, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm52199">replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm90587">Replication Origins, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm90585">Replication Progress Tracking, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm52594">replication slot</dt><dd><dl><dt>logical replication, <a class="indexterm" href="logicaldecoding-explanation.html#LOGICALDECODING-REPLICATION-SLOTS">Replication Slots</a></dt><dt>streaming replication, <a class="indexterm" href="warm-standby.html#STREAMING-REPLICATION-SLOTS">Replication Slots</a></dt></dl></dd><dt id="ientry-idm84115">reporting errors</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-RAISE">Reporting Errors and Messages</a></dt></dl></dd><dt id="ientry-idm40076">reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm112998">RESET, <a class="indexterm" href="sql-reset.html">RESET</a></dt><dt id="ientry-idm58924">restartpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm45652">restart_after_crash configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm41783">restore_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm2807">RESTRICT, <a class="indexterm" href="ddl-depend.html">Dependency Tracking</a></dt><dd><dl><dt>with DROP, <a class="indexterm" href="ddl-depend.html">Dependency Tracking</a></dt><dt>foreign key action, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-FK">Foreign Keys</a></dt></dl></dd><dt id="ientry-idm35064">retryable error, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm83186">RETURN NEXT</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-STATEMENTS-RETURNING-RETURN-NEXT">RETURN NEXT and RETURN QUERY</a></dt></dl></dd><dt id="ientry-idm83189">RETURN QUERY</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-STATEMENTS-RETURNING-RETURN-NEXT">RETURN NEXT and RETURN QUERY</a></dt></dl></dd><dt id="ientry-idm4531">RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt><dt id="ientry-idm82816">RETURNING INTO, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW">Executing a Command with a Single-Row Result</a></dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW">Executing a Command with a Single-Row Result</a></dt></dl></dd><dt id="ientry-idm13150">reverse, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm3066">REVOKE, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-revoke.html">REVOKE</a></dt><dt id="ientry-idm13162">right, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4771">right join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm47723">role, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="role-membership.html">Role Membership</a>, <a class="indexterm" href="predefined-roles.html">Predefined Roles</a></dt><dd><dl><dt>applicable, <a class="indexterm" href="infoschema-applicable-roles.html">applicable_roles</a></dt><dt>enabled, <a class="indexterm" href="infoschema-enabled-roles.html">enabled_roles</a></dt><dt>membership in, <a class="indexterm" href="role-membership.html">Role Membership</a></dt><dt>privilege to bypass, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt>privilege to create, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt>privilege to inherit, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt>privilege to initiate replication, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt>privilege to limit connection, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt></dl></dd><dt id="ientry-idm113222">ROLLBACK, <a class="indexterm" href="sql-rollback.html">ROLLBACK</a></dt><dt id="ientry-idm126660">rollback</dt><dd><dl><dt>psql, <a class="indexterm" href="app-psql.html#APP-PSQL-VARIABLES">Variables</a></dt></dl></dd><dt id="ientry-idm113283">ROLLBACK PREPARED, <a class="indexterm" href="sql-rollback-prepared.html">ROLLBACK PREPARED</a></dt><dt id="ientry-idm113332">ROLLBACK TO SAVEPOINT, <a class="indexterm" href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a></dt><dt id="ientry-idm5196">ROLLUP, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm11599">round, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm76227">routine, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt><dt id="ientry-idm51038">routine maintenance, <a class="indexterm" href="maintenance.html">Routine Database Maintenance Tasks</a></dt><dt id="ientry-idm613">row, <a class="indexterm" href="tutorial-concepts.html">Concepts</a>, <a class="indexterm" href="ddl-basics.html">Table Basics</a></dt><dt id="ientry-idm2342">ROW, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS">Row Constructors</a></dt><dt id="ientry-idm152347">row estimation, <a class="indexterm" href="row-estimation-examples.html">Row Estimation Examples</a></dt><dd><dl><dt>multivariate, <a class="indexterm" href="multivariate-statistics-examples.html">Multivariate Statistics Examples</a></dt><dt>planner, <a class="indexterm" href="row-estimation-examples.html">Row Estimation Examples</a></dt></dl></dd><dt id="ientry-idm2339">row type, <a class="indexterm" href="rowtypes.html">Composite Types</a></dt><dd><dl><dt>constructor, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS">Row Constructors</a></dt></dl></dd><dt id="ientry-idm3548">row-level security, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm26466">row-wise comparison, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm26097">row_number, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm44591">row_security configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm27417">row_security_active, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm21977">row_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm12442">rpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12465">rtrim, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm81503">rule, <a class="indexterm" href="rules.html">The Rule System</a>, <a class="indexterm" href="rules-views.html">Views and the Rule System</a>, <a class="indexterm" href="rules-views.html#RULES-SELECT">How SELECT Rules Work</a>, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a>, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>, <a class="indexterm" href="rules-triggers.html">Rules Versus Triggers</a></dt><dd><dl><dt>and materialized views, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a></dt><dt>and views, <a class="indexterm" href="rules-views.html">Views and the Rule System</a></dt><dt>for DELETE, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a></dt><dt>for INSERT, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a></dt><dt>for SELECT, <a class="indexterm" href="rules-views.html#RULES-SELECT">How SELECT Rules Work</a></dt><dt>compared with triggers, <a class="indexterm" href="rules-triggers.html">Rules Versus Triggers</a></dt><dt>for UPDATE, <a class="indexterm" href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-S"><h3>S</h3><dl><dt id="ientry-idm113406">SAVEPOINT, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dt id="ientry-idm112935">savepoints, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a>, <a class="indexterm" href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a>, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dd><dl><dt>defining, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dt>releasing, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a></dt><dt>rolling back, <a class="indexterm" href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a></dt></dl></dd><dt id="ientry-idm1770">scalar (see <a href="#ientry-idm1765">expression</a>)</dt><dt id="ientry-idm11636">scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3664">schema, <a class="indexterm" href="ddl-schemas.html">Schemas</a>, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CREATE">Creating a Schema</a>, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PUBLIC">The Public Schema</a>, <a class="indexterm" href="manage-ag-overview.html">Overview</a></dt><dd><dl><dt>creating, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CREATE">Creating a Schema</a></dt><dt>current, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a>, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt>public, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PUBLIC">The Public Schema</a></dt><dt>removing, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CREATE">Creating a Schema</a></dt></dl></dd><dt id="ientry-idm47144">SCRAM, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm40288">scram_iterations configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm3738">search path, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a></dt><dd><dl><dt>current, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt>object visibility, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt></dl></dd><dt id="ientry-idm3757">search_path configuration parameter, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a>, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dd><dl><dt>use in securing functions, <a class="indexterm" href="sql-createfunction.html#SQL-CREATEFUNCTION-SECURITY">Writing SECURITY DEFINER Functions Safely</a></dt></dl></dd><dt id="ientry-idm113472">SECURITY LABEL, <a class="indexterm" href="sql-security-label.html">SECURITY LABEL</a></dt><dt id="ientry-idm169428">sec_to_gc, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm175303">seg, <a class="indexterm" href="seg.html">seg — a datatype for line segments or floating point intervals</a></dt><dt id="ientry-idm45809">segment_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm702">SELECT, <a class="indexterm" href="tutorial-select.html">Querying a Table</a>, <a class="indexterm" href="queries.html">Queries</a>, <a class="indexterm" href="typeconv-select.html">SELECT Output Columns</a>, <a class="indexterm" href="sql-select.html">SELECT</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-select.html">SELECT Output Columns</a></dt><dt>select list, <a class="indexterm" href="queries-select-lists.html">Select Lists</a></dt></dl></dd><dt id="ientry-idm82813">SELECT INTO, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW">Executing a Command with a Single-Row Result</a>, <a class="indexterm" href="sql-selectinto.html">SELECT INTO</a></dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW">Executing a Command with a Single-Row Result</a></dt></dl></dd><dt id="ientry-idm38721">semaphores, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm46327">send_abort_for_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46340">send_abort_for_kill configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm175556">sepgsql, <a class="indexterm" href="sepgsql.html">sepgsql —
   SELinux-, label-based mandatory access control (MAC) security module</a></dt><dt id="ientry-idm175673">sepgsql.debug_audit configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm175660">sepgsql.permissive configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm6519">sequence, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dd><dl><dt>and serial type, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt></dl></dd><dt id="ientry-idm42584">sequential scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42626">seq_page_cost configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS">Planner Cost Constants</a></dt><dt id="ientry-idm6506">serial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6510">serial2, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6512">serial4, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6514">serial8, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm34481">serializable, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm34258">Serializable Snapshot Isolation, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm34305">serialization anomaly, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a>, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm35062">serialization failure, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm42980">server log, <a class="indexterm" href="runtime-config-logging.html">Error Reporting and Logging</a>, <a class="indexterm" href="logfile-maintenance.html">Log File Maintenance</a></dt><dd><dl><dt>log file maintenance, <a class="indexterm" href="logfile-maintenance.html">Log File Maintenance</a></dt></dl></dd><dt id="ientry-idm61328">Server Name Indication, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm39365">server spoofing, <a class="indexterm" href="preventing-server-spoofing.html">Preventing Server Spoofing</a></dt><dt id="ientry-idm45821">server_encoding configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45833">server_version configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45843">server_version_num configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45319">session_preload_libraries configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm44791">session_replication_role configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm27036">session_user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29248">SET, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a>, <a class="indexterm" href="sql-set.html">SET</a></dt><dt id="ientry-idm115249">SET CONSTRAINTS, <a class="indexterm" href="sql-set-constraints.html">SET CONSTRAINTS</a></dt><dt id="ientry-idm5405">set difference, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5403">set intersection, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5407">set operation, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm26625">set returning functions, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dd><dl><dt>functions, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt></dl></dd><dt id="ientry-idm115311">SET ROLE, <a class="indexterm" href="sql-set-role.html">SET ROLE</a></dt><dt id="ientry-idm115392">SET SESSION AUTHORIZATION, <a class="indexterm" href="sql-set-session-authorization.html">SET SESSION AUTHORIZATION</a></dt><dt id="ientry-idm115449">SET TRANSACTION, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt id="ientry-idm5401">set union, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm45009">SET XML OPTION, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11823">setseed, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm23503">setval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm20268">setweight, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dd><dl><dt>setweight for specific lexeme(s), <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt></dl></dd><dt id="ientry-idm13911">set_bit, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a></dt><dt id="ientry-idm13930">set_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm29293">set_config, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm174262">set_limit, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm19878">set_masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm13949">sha224, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13962">sha256, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13975">sha384, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13988">sha512, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm37769">shared library, <a class="indexterm" href="install-post.html#INSTALL-POST-SHLIBS">Shared Libraries</a>, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt id="ientry-idm38719">shared memory, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm40602">shared_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm45853">shared_memory_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45862">shared_memory_size_in_huge_pages configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40832">shared_memory_type configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm77564">shared_preload_libraries, <a class="indexterm" href="xfunc-c.html#XFUNC-SHARED-ADDIN">Shared Memory and LWLocks</a></dt><dt id="ientry-idm45337">shared_preload_libraries configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm28584">shobj_description, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt id="ientry-idm29250">SHOW, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a>, <a class="indexterm" href="sql-show.html">SHOW</a>, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm174250">show_limit, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm174220">show_trgm, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm39170">shutdown, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm39805">SIGHUP, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a>, <a class="indexterm" href="auth-pg-hba-conf.html">The pg_hba.conf File</a>, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm39191">SIGINT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm11648">sign, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm29315">signal</dt><dd><dl><dt>backend processes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt></dl></dd><dt id="ientry-idm45148">significant digits, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm39200">SIGQUIT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm39182">SIGTERM, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm14588">SIMILAR TO, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a></dt><dt id="ientry-idm174210">similarity, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm12011">sin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12023">sind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm131051">single-user mode, <a class="indexterm" href="app-postgres.html#id-1.9.5.14.6.5">Options for Single-User Mode</a></dt><dt id="ientry-idm12078">sinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm170057">skeys, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm18446">sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm170186">slice, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm151302">sliced bread (see <a href="#ientry-idm65229">TOAST</a>)</dt><dt id="ientry-idm19280">slope, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm56904">SLRU, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SLRU-VIEW">pg_stat_slru</a></dt><dt id="ientry-idm6274">smallint, <a class="indexterm" href="datatype-numeric.html#DATATYPE-INT">Integer Types</a></dt><dt id="ientry-idm6504">smallserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm38018">Solaris, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-SOLARIS">Solaris</a></dt><dd><dl><dt>installation on, <a class="indexterm" href="installation-platform-notes.html#INSTALLATION-NOTES-SOLARIS">Solaris</a></dt><dt>shared library, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt>start script, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt></dl></dd><dt id="ientry-idm25494">SOME, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a>, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm170476">sort, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm5471">sorting, <a class="indexterm" href="queries-order.html">Sorting Rows (ORDER BY)</a></dt><dt id="ientry-idm170497">sort_asc, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm170509">sort_desc, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm169671">soundex, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-SOUNDEX">Soundex</a></dt><dt id="ientry-idm31985">SP-GiST (see <a href="#ientry-idm31858">index</a>)</dt><dt id="ientry-idm86812">SPI, <a class="indexterm" href="spi.html">Server Programming Interface</a>, <a class="indexterm" href="contrib-spi.html">spi — Server Programming Interface features/examples</a></dt><dd><dl><dt>examples, <a class="indexterm" href="contrib-spi.html">spi — Server Programming Interface features/examples</a></dt></dl></dd><dt id="ientry-idm85768">spi_commit</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm89779">SPI_commit, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm89781">SPI_commit_and_chain, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm86833">SPI_connect, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm86835">SPI_connect_ext, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm89486">SPI_copytuple, <a class="indexterm" href="spi-spi-copytuple.html">SPI_copytuple</a></dt><dt id="ientry-idm85689">spi_cursor_close</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm88708">SPI_cursor_close, <a class="indexterm" href="spi-spi-cursor-close.html">SPI_cursor_close</a></dt><dt id="ientry-idm88485">SPI_cursor_fetch, <a class="indexterm" href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a></dt><dt id="ientry-idm88450">SPI_cursor_find, <a class="indexterm" href="spi-spi-cursor-find.html">SPI_cursor_find</a></dt><dt id="ientry-idm88536">SPI_cursor_move, <a class="indexterm" href="spi-spi-cursor-move.html">SPI_cursor_move</a></dt><dt id="ientry-idm88136">SPI_cursor_open, <a class="indexterm" href="spi-spi-cursor-open.html">SPI_cursor_open</a></dt><dt id="ientry-idm88211">SPI_cursor_open_with_args, <a class="indexterm" href="spi-spi-cursor-open-with-args.html">SPI_cursor_open_with_args</a></dt><dt id="ientry-idm88315">SPI_cursor_open_with_paramlist, <a class="indexterm" href="spi-spi-cursor-open-with-paramlist.html">SPI_cursor_open_with_paramlist</a></dt><dt id="ientry-idm88373">SPI_cursor_parse_open, <a class="indexterm" href="spi-spi-cursor-parse-open.html">SPI_cursor_parse_open</a></dt><dt id="ientry-idm87128">SPI_exec, <a class="indexterm" href="spi-spi-exec.html">SPI_exec</a></dt><dt id="ientry-idm88067">SPI_execp, <a class="indexterm" href="spi-spi-execp.html">SPI_execp</a></dt><dt id="ientry-idm86909">SPI_execute, <a class="indexterm" href="spi-spi-execute.html">SPI_execute</a></dt><dt id="ientry-idm87168">SPI_execute_extended, <a class="indexterm" href="spi-spi-execute-extended.html">SPI_execute_extended</a></dt><dt id="ientry-idm87799">SPI_execute_plan, <a class="indexterm" href="spi-spi-execute-plan.html">SPI_execute_plan</a></dt><dt id="ientry-idm87895">SPI_execute_plan_extended, <a class="indexterm" href="spi-spi-execute-plan-extended.html">SPI_execute_plan_extended</a></dt><dt id="ientry-idm88003">SPI_execute_plan_with_paramlist, <a class="indexterm" href="spi-spi-execute-plan-with-paramlist.html">SPI_execute_plan_with_paramlist</a></dt><dt id="ientry-idm87279">SPI_execute_with_args, <a class="indexterm" href="spi-spi-execute-with-args.html">SPI_execute_with_args</a></dt><dt id="ientry-idm85730">spi_exec_prepared</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm85641">spi_exec_query</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm85682">spi_fetchrow</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm86880">SPI_finish, <a class="indexterm" href="spi-spi-finish.html">SPI_finish</a></dt><dt id="ientry-idm89009">SPI_fname, <a class="indexterm" href="spi-spi-fname.html">SPI_fname</a></dt><dt id="ientry-idm89049">SPI_fnumber, <a class="indexterm" href="spi-spi-fnumber.html">SPI_fnumber</a></dt><dt id="ientry-idm85737">spi_freeplan</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm89736">SPI_freeplan, <a class="indexterm" href="spi-spi-freeplan.html">SPI_freeplan</a></dt><dt id="ientry-idm89676">SPI_freetuple, <a class="indexterm" href="spi-spi-freetuple.html">SPI_freetuple</a></dt><dt id="ientry-idm89703">SPI_freetuptable, <a class="indexterm" href="spi-spi-freetupletable.html">SPI_freetuptable</a></dt><dt id="ientry-idm87668">SPI_getargcount, <a class="indexterm" href="spi-spi-getargcount.html">SPI_getargcount</a></dt><dt id="ientry-idm87704">SPI_getargtypeid, <a class="indexterm" href="spi-spi-getargtypeid.html">SPI_getargtypeid</a></dt><dt id="ientry-idm89140">SPI_getbinval, <a class="indexterm" href="spi-spi-getbinval.html">SPI_getbinval</a></dt><dt id="ientry-idm89304">SPI_getnspname, <a class="indexterm" href="spi-spi-getnspname.html">SPI_getnspname</a></dt><dt id="ientry-idm89275">SPI_getrelname, <a class="indexterm" href="spi-spi-getrelname.html">SPI_getrelname</a></dt><dt id="ientry-idm89195">SPI_gettype, <a class="indexterm" href="spi-spi-gettype.html">SPI_gettype</a></dt><dt id="ientry-idm89234">SPI_gettypeid, <a class="indexterm" href="spi-spi-gettypeid.html">SPI_gettypeid</a></dt><dt id="ientry-idm89089">SPI_getvalue, <a class="indexterm" href="spi-spi-getvalue.html">SPI_getvalue</a></dt><dt id="ientry-idm87750">SPI_is_cursor_plan, <a class="indexterm" href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a></dt><dt id="ientry-idm88735">SPI_keepplan, <a class="indexterm" href="spi-spi-keepplan.html">SPI_keepplan</a></dt><dt id="ientry-idm89566">SPI_modifytuple, <a class="indexterm" href="spi-spi-modifytuple.html">SPI_modifytuple</a></dt><dt id="ientry-idm89390">SPI_palloc, <a class="indexterm" href="spi-spi-palloc.html">SPI_palloc</a></dt><dt id="ientry-idm89457">SPI_pfree, <a class="indexterm" href="spi-spi-pfree.html">SPI_pfree</a></dt><dt id="ientry-idm85713">spi_prepare</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm87382">SPI_prepare, <a class="indexterm" href="spi-spi-prepare.html">SPI_prepare</a></dt><dt id="ientry-idm87473">SPI_prepare_cursor, <a class="indexterm" href="spi-spi-prepare-cursor.html">SPI_prepare_cursor</a></dt><dt id="ientry-idm87545">SPI_prepare_extended, <a class="indexterm" href="spi-spi-prepare-extended.html">SPI_prepare_extended</a></dt><dt id="ientry-idm87613">SPI_prepare_params, <a class="indexterm" href="spi-spi-prepare-params.html">SPI_prepare_params</a></dt><dt id="ientry-idm85675">spi_query</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm85721">spi_query_prepared</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm88824">SPI_register_relation, <a class="indexterm" href="spi-spi-register-relation.html">SPI_register_relation</a></dt><dt id="ientry-idm88941">SPI_register_trigger_data, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt id="ientry-idm89419">SPI_repalloc, <a class="indexterm" href="spi-realloc.html">SPI_repalloc</a></dt><dt id="ientry-idm89334">SPI_result_code_string, <a class="indexterm" href="spi-spi-result-code-string.html">SPI_result_code_string</a></dt><dt id="ientry-idm89520">SPI_returntuple, <a class="indexterm" href="spi-spi-returntuple.html">SPI_returntuple</a></dt><dt id="ientry-idm85774">spi_rollback</dt><dd><dl><dt>in PL/Perl, <a class="indexterm" href="plperl-builtins.html#PLPERL-DATABASE">Database Access from PL/Perl</a></dt></dl></dd><dt id="ientry-idm89804">SPI_rollback, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm89806">SPI_rollback_and_chain, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm88772">SPI_saveplan, <a class="indexterm" href="spi-spi-saveplan.html">SPI_saveplan</a></dt><dt id="ientry-idm88581">SPI_scroll_cursor_fetch, <a class="indexterm" href="spi-spi-scroll-cursor-fetch.html">SPI_scroll_cursor_fetch</a></dt><dt id="ientry-idm88644">SPI_scroll_cursor_move, <a class="indexterm" href="spi-spi-scroll-cursor-move.html">SPI_scroll_cursor_move</a></dt><dt id="ientry-idm89829">SPI_start_transaction, <a class="indexterm" href="spi-spi-start-transaction.html">SPI_start_transaction</a></dt><dt id="ientry-idm88884">SPI_unregister_relation, <a class="indexterm" href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></dt><dt id="ientry-idm13180">split_part, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm160522">SQL/CLI, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160518">SQL/Foundation, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160514">SQL/Framework, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160542">SQL/JRT, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm21527">SQL/JSON, <a class="indexterm" href="functions-json.html">JSON Functions and Operators</a></dt><dd><dl><dt>functions and expressions, <a class="indexterm" href="functions-json.html">JSON Functions and Operators</a></dt></dl></dd><dt id="ientry-idm22877">SQL/JSON path language, <a class="indexterm" href="functions-json.html#FUNCTIONS-SQLJSON-PATH">The SQL/JSON Path Language</a></dt><dt id="ientry-idm160550">SQL/MDA, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160530">SQL/MED, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160534">SQL/OLB, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160554">SQL/PGQ, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160526">SQL/PSM, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160538">SQL/Schemata, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160546">SQL/XML, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dd><dl><dt>limits and conformance, <a class="indexterm" href="xml-limits-conformance.html">XML Limits and Conformance to SQL/XML</a></dt></dl></dd><dt id="ientry-idm11664">sqrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm39666">ssh, <a class="indexterm" href="ssh-tunnels.html">Secure TCP/IP Connections with SSH Tunnels</a></dt><dt id="ientry-idm34260">SSI, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm39447">SSL, <a class="indexterm" href="ssl-tcp.html">Secure TCP/IP Connections with SSL</a>, <a class="indexterm" href="libpq-ssl.html">SSL Support</a></dt><dd><dl><dt>in libpq, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt>with libpq, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt>TLS, <a class="indexterm" href="ssl-tcp.html">Secure TCP/IP Connections with SSL</a>, <a class="indexterm" href="libpq-ssl.html">SSL Support</a></dt></dl></dd><dt id="ientry-idm40373">ssl configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm175966">sslinfo, <a class="indexterm" href="sslinfo.html">sslinfo — obtain client SSL information</a></dt><dt id="ientry-idm40385">ssl_ca_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40395">ssl_cert_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm175996">ssl_cipher, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40445">ssl_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176003">ssl_client_cert_present, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176018">ssl_client_dn, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176037">ssl_client_dn_field, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176010">ssl_client_serial, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40417">ssl_crl_dir configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40406">ssl_crl_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40556">ssl_dh_params_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40507">ssl_ecdh_curve configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176056">ssl_extension_info, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176027">ssl_issuer_dn, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176048">ssl_issuer_field, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm175982">ssl_is_used, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40434">ssl_key_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm45878">ssl_library configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40544">ssl_max_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40526">ssl_min_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40568">ssl_passphrase_command configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40584">ssl_passphrase_command_supports_reload configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40495">ssl_prefer_server_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm175989">ssl_version, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm47300">SSPI, <a class="indexterm" href="sspi-auth.html">SSPI Authentication</a></dt><dt id="ientry-idm76681">STABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm25738">standard deviation, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dd><dl><dt>population, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt>sample, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm45577">standard_conforming_strings configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm52443">standby server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm41764">standby.signal, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a>, <a class="indexterm" href="warm-standby.html#STANDBY-SERVER-OPERATION">Standby Server Operation</a>, <a class="indexterm" href="warm-standby.html#STANDBY-SERVER-SETUP">Setting Up a Standby Server</a></dt><dd><dl><dt>for hot standby, <a class="indexterm" href="hot-standby.html#HOT-STANDBY-ADMIN">Administrator's Overview</a></dt><dt>pg_basebackup --write-recovery-conf, <a class="indexterm" href="app-pgbasebackup.html#id-1.9.4.10.6">Options</a></dt></dl></dd><dt id="ientry-idm179612">standby_mode (see <a href="#ientry-idm41764">standby.signal</a>)</dt><dt id="ientry-idm115693">START TRANSACTION, <a class="indexterm" href="sql-start-transaction.html">START TRANSACTION</a></dt><dt id="ientry-idm13205">starts_with, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm142175">START_REPLICATION, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm44816">statement_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17764">statement_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm25524">statistics, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="planner-stats.html">Statistics Used by the Planner</a>, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-EXTENDED">Extended Statistics</a>, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-STATISTICS">Updating Planner Statistics</a>, <a class="indexterm" href="monitoring-stats.html">The Cumulative Statistics System</a></dt><dd><dl><dt>of the planner, <a class="indexterm" href="planner-stats.html">Statistics Used by the Planner</a>, <a class="indexterm" href="planner-stats.html#PLANNER-STATS-EXTENDED">Extended Statistics</a>, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-STATISTICS">Updating Planner Statistics</a></dt></dl></dd><dt id="ientry-idm44259">stats_fetch_consistency configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm25740">stddev, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25758">stddev_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25775">stddev_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm52449">STONITH, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm104455">storage parameters, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm52519">Streaming Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm174239">strict_word_similarity, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm6631">string (see <a href="#ientry-idm1285">character string</a>)</dt><dt id="ientry-idm45498">strings</dt><dd><dl><dt>backslash quotes, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt>escape warning, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt>standard conforming, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt></dl></dd><dt id="ientry-idm25400">string_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13222">string_to_array, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13253">string_to_table, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm20308">strip, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm13283">strpos, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm170552">subarray, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm171412">subltree, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm171431">subpath, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm842">subquery, <a class="indexterm" href="tutorial-agg.html">Aggregate Functions</a>, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-SCALAR-SUBQUERIES">Scalar Subqueries</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-SUBQUERIES">Subqueries</a>, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dt id="ientry-idm1847">subscript, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-SUBSCRIPTS">Subscripts</a></dt><dt id="ientry-idm13303">substr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm12483">substring, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a>, <a class="indexterm" href="functions-bitstring.html">Bit String Functions and Operators</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a>, <a class="indexterm" href="functions-matching.html#FUNCTIONS-POSIX-REGEXP">POSIX Regular Expressions</a></dt><dt id="ientry-idm15895">SUBSTRING_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm85433">subtransactions</dt><dd><dl><dt>in PL/Tcl, <a class="indexterm" href="pltcl-subtransactions.html">Explicit Subtransactions in PL/Tcl</a></dt></dl></dd><dt id="ientry-idm25421">sum, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm517">superuser, <a class="indexterm" href="tutorial-accessdb.html">Accessing a Database</a>, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt id="ientry-idm40096">superuser_reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm147573">support functions</dt><dd><dl><dt>in_range, <a class="indexterm" href="btree-support-funcs.html">B-Tree Support Functions</a></dt></dl></dd><dt id="ientry-idm31041">suppress_redundant_updates_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm170084">svals, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm45592">synchronize_seqscans configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm58827">synchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm52642">Synchronous Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm41267">synchronous_commit configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42082">synchronous_standby_names configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-PRIMARY">Primary Server</a></dt><dt id="ientry-idm1158">syntax, <a class="indexterm" href="sql-syntax.html">SQL Syntax</a></dt><dd><dl><dt>SQL, <a class="indexterm" href="sql-syntax.html">SQL Syntax</a></dt></dl></dd><dt id="ientry-idm43194">syslog_facility configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43217">syslog_ident configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43231">syslog_sequence_numbers configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43247">syslog_split_messages configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm3801">system catalog, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CATALOG">The System Catalog Schema</a></dt><dd><dl><dt>schema, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-CATALOG">The System Catalog Schema</a></dt></dl></dd><dt id="ientry-idm36612">systemd, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="server-start.html">Starting the Database Server</a></dt><dd><dl><dt>RemoveIPC, <a class="indexterm" href="kernel-resources.html#SYSTEMD-REMOVEIPC">systemd RemoveIPC</a></dt></dl></dd><dt id="ientry-idm27044">system_user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt></dl></div><div class="indexdiv" id="indexdiv-T"><h3>T</h3><dl><dt id="ientry-idm605">table, <a class="indexterm" href="tutorial-concepts.html">Concepts</a>, <a class="indexterm" href="ddl-basics.html">Table Basics</a>, <a class="indexterm" href="ddl-alter.html">Modifying Tables</a></dt><dd><dl><dt>creating, <a class="indexterm" href="ddl-basics.html">Table Basics</a></dt><dt>inheritance, <a class="indexterm" href="ddl-inherit.html">Inheritance</a></dt><dt>modifying, <a class="indexterm" href="ddl-alter.html">Modifying Tables</a></dt><dt>partitioning, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt>removing, <a class="indexterm" href="ddl-basics.html">Table Basics</a></dt><dt>renaming, <a class="indexterm" href="ddl-alter.html#DDL-ALTER-RENAMING-TABLE">Renaming a Table</a></dt></dl></dd><dt id="ientry-idm146685">Table Access Method, <a class="indexterm" href="tableam.html">Table Access Method Interface Definition</a></dt><dt id="ientry-idm113628">TABLE command, <a class="indexterm" href="sql-select.html">SELECT</a></dt><dt id="ientry-idm4617">table expression, <a class="indexterm" href="queries-table-expressions.html">Table Expressions</a></dt><dt id="ientry-idm4919">table function, <a class="indexterm" href="queries-table-expressions.html#QUERIES-TABLEFUNCTIONS">Table Functions</a>, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt><dd><dl><dt>XMLTABLE, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt></dl></dd><dt id="ientry-idm146288">table sampling method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm146687">tableam</dt><dd><dl><dt>Table Access Method, <a class="indexterm" href="tableam.html">Table Access Method Interface Definition</a></dt></dl></dd><dt id="ientry-idm176071">tablefunc, <a class="indexterm" href="tablefunc.html">tablefunc — functions that return tables (crosstab and others)</a></dt><dt id="ientry-idm2886">tableoid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm146290">TABLESAMPLE method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm44623">tablespace, <a class="indexterm" href="manage-ag-tablespaces.html">Tablespaces</a></dt><dd><dl><dt>default, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt>temporary, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm10241">table_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm12035">tan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12047">tand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12102">tanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm81563">target list, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm85002">Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm176439">tcn, <a class="indexterm" href="tcn.html">tcn — a trigger function to notify listeners of changes to table content</a></dt><dt id="ientry-idm40215">tcp_keepalives_count configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40195">tcp_keepalives_idle configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40205">tcp_keepalives_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40225">tcp_user_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm48207">template0, <a class="indexterm" href="manage-ag-createdb.html">Creating a Database</a>, <a class="indexterm" href="manage-ag-templatedbs.html">Template Databases</a></dt><dt id="ientry-idm48204">template1, <a class="indexterm" href="manage-ag-createdb.html">Creating a Database</a>, <a class="indexterm" href="manage-ag-templatedbs.html">Template Databases</a></dt><dt id="ientry-idm40682">temp_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40882">temp_file_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-DISK">Disk</a></dt><dt id="ientry-idm44661">temp_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm59884">test, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm176458">test_decoding, <a class="indexterm" href="test-decoding.html">test_decoding — SQL-based test/example module for WAL logical decoding</a></dt><dt id="ientry-idm6638">text, <a class="indexterm" href="datatype-character.html">Character Types</a>, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm8586">text search, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a>, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a>, <a class="indexterm" href="textsearch.html">Full Text Search</a>, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a></dt><dd><dl><dt>data types, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a></dt><dt>functions and operators, <a class="indexterm" href="datatype-textsearch.html">Text Search Types</a></dt><dt>indexes, <a class="indexterm" href="textsearch-indexes.html">Preferred Index Types for Text Search</a></dt></dl></dd><dt id="ientry-idm171516">text2ltree, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm65090">threads, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt><dd><dl><dt>with libpq, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt></dl></dd><dt id="ientry-idm9975">tid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm6989">time, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIMES">Times</a></dt><dd><dl><dt>constants, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-SPECIAL-VALUES">Special Values</a></dt><dt>current, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-CURRENT">Current Date/Time</a></dt><dt>output format, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-OUTPUT">Date/Time Output</a></dt><dd><dl><dt>(see also <a href="#ientry-idm16050">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm7005">time span, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm6993">time with time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIMES">Times</a></dt><dt id="ientry-idm6991">time without time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIMES">Times</a></dt><dt id="ientry-idm7616">time zone, <a class="indexterm" href="datatype-datetime.html#DATATYPE-TIMEZONES">Time Zones</a>, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a>, <a class="indexterm" href="datetime-posix-timezone-specs.html">POSIX Time Zone Specifications</a></dt><dd><dl><dt>conversion, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT">AT TIME ZONE</a></dt><dt>input abbreviations, <a class="indexterm" href="datetime-config-files.html">Date/Time Configuration Files</a></dt><dt>POSIX-style specification, <a class="indexterm" href="datetime-posix-timezone-specs.html">POSIX Time Zone Specifications</a></dt></dl></dd><dt id="ientry-idm36766">time zone data, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm45136">time zone names, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm52115">timelines, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm142010">TIMELINE_HISTORY, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm17776">timeofday, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm40255">timeout</dt><dd><dl><dt>client authentication, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt>deadlock, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt></dl></dd><dt id="ientry-idm6995">timestamp, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIME-STAMPS">Time Stamps</a></dt><dt id="ientry-idm6999">timestamp with time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIME-STAMPS">Time Stamps</a></dt><dt id="ientry-idm7001">timestamp without time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#DATATYPE-DATETIME-INPUT-TIME-STAMPS">Time Stamps</a></dt><dt id="ientry-idm6997">timestamptz, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm45118">TimeZone configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45133">timezone_abbreviations configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm65229">TOAST, <a class="indexterm" href="storage-toast.html">TOAST</a></dt><dd><dl><dt>and user-defined types, <a class="indexterm" href="xtypes.html#XTYPES-TOAST">TOAST Considerations</a></dt><dt>per-column storage settings, <a class="indexterm" href="sql-altertable.html#id-1.9.3.35.5">Description</a>, <a class="indexterm" href="sql-createtable.html#id-1.9.3.85.6">Parameters</a></dt><dt>per-type storage settings, <a class="indexterm" href="sql-altertype.html#id-1.9.3.42.5">Description</a></dt><dt>versus large objects, <a class="indexterm" href="lo-intro.html">Introduction</a></dt></dl></dd><dt id="ientry-idm104485">toast_tuple_target storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1166">token, <a class="indexterm" href="sql-syntax-lexical.html">Lexical Structure</a></dt><dt id="ientry-idm13331">to_ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm16068">to_char, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm16119">to_date, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm13366">to_hex, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm21888">to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21894">to_jsonb, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm16132">to_number, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm28162">to_regclass, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28174">to_regcollation, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28186">to_regnamespace, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28198">to_regoper, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28210">to_regoperator, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28222">to_regproc, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28234">to_regprocedure, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28246">to_regrole, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28258">to_regtype, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm16145">to_timestamp, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a>, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm20321">to_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES">Parsing Queries</a></dt><dt id="ientry-idm20339">to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-PARSING-DOCUMENTS">Parsing Documents</a></dt><dt id="ientry-idm46093">trace_locks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46132">trace_lock_oidmin configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46144">trace_lock_table configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46107">trace_lwlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46047">trace_notify configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46061">trace_recovery_messages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46081">trace_sort configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46119">trace_userlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44179">track_activities configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm44190">track_activity_query_size configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm42065">track_commit_timestamp configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm44201">track_counts configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm44243">track_functions configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm44211">track_io_timing configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm44230">track_wal_io_timing configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-CUMULATIVE-STATISTICS">Cumulative Query and Index Statistics</a></dt><dt id="ientry-idm969">transaction, <a class="indexterm" href="tutorial-transactions.html">Transactions</a></dt><dt id="ientry-idm51207">transaction ID, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-WRAPAROUND">Preventing Transaction ID Wraparound Failures</a></dt><dd><dl><dt>wraparound, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-WRAPAROUND">Preventing Transaction ID Wraparound Failures</a></dt></dl></dd><dt id="ientry-idm34279">transaction isolation, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm34310">transaction isolation level, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a>, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dd><dl><dt>read committed, <a class="indexterm" href="transaction-iso.html#XACT-READ-COMMITTED">Read Committed Isolation Level</a></dt><dt>repeatable read, <a class="indexterm" href="transaction-iso.html#XACT-REPEATABLE-READ">Repeatable Read Isolation Level</a></dt><dt>serializable, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt>setting, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt>setting default, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt></dl></dd><dt id="ientry-idm58807">transaction log (see <a href="#ientry-idm58805">WAL</a>)</dt><dt id="ientry-idm44780">transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44754">transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44767">transaction_read_only configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17790">transaction_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm45610">transform_null_equals configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-CLIENTS">Platform and Client Compatibility</a></dt><dt id="ientry-idm79809">transition tables, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dd><dl><dt>(see also <a href="#ientry-idm88826">ephemeral named relation</a>)</dt><dt>implementation in PLs, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt>referencing from C trigger, <a class="indexterm" href="trigger-interface.html">Writing Trigger Functions in C</a></dt></dl></dd><dt id="ientry-idm13382">translate, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15897">TRANSLATE_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm40651">transparent
        huge pages, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm10231">trigger, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a>, <a class="indexterm" href="triggers.html">Triggers</a>, <a class="indexterm" href="trigger-interface.html">Writing Trigger Functions in C</a>, <a class="indexterm" href="rules-triggers.html">Rules Versus Triggers</a>, <a class="indexterm" href="plpgsql-trigger.html">Trigger Functions</a>, <a class="indexterm" href="plpython-trigger.html">Trigger Functions</a></dt><dd><dl><dt>arguments for trigger functions, <a class="indexterm" href="trigger-definition.html">Overview of Trigger Behavior</a></dt><dt>constraint trigger, <a class="indexterm" href="sql-createtrigger.html#id-1.9.3.93.6">Description</a></dt><dt>for updating a derived tsvector column, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-UPDATE-TRIGGERS">Triggers for Automatic Updates</a></dt><dt>in C, <a class="indexterm" href="trigger-interface.html">Writing Trigger Functions in C</a></dt><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-trigger.html">Trigger Functions</a></dt><dt>in PL/Python, <a class="indexterm" href="plpython-trigger.html">Trigger Functions</a></dt><dt>in PL/Tcl, <a class="indexterm" href="pltcl-trigger.html">Trigger Functions in PL/Tcl</a></dt><dt>compared with rules, <a class="indexterm" href="rules-triggers.html">Rules Versus Triggers</a></dt></dl></dd><dt id="ientry-idm176441">triggered_change_notification, <a class="indexterm" href="tcn.html">tcn — a trigger function to notify listeners of changes to table content</a></dt><dt id="ientry-idm12560">trim, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm24122">trim_array, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm11680">trim_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm7924">true, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm11692">trunc, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a>, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm115750">TRUNCATE, <a class="indexterm" href="sql-truncate.html">TRUNCATE</a></dt><dt id="ientry-idm85947">trusted, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt><dd><dl><dt>PL/Perl, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt></dl></dd><dt id="ientry-idm10245">tsm_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm176472">tsm_system_rows, <a class="indexterm" href="tsm-system-rows.html">tsm_system_rows —
   the SYSTEM_ROWS sampling method for TABLESAMPLE</a></dt><dt id="ientry-idm176504">tsm_system_time, <a class="indexterm" href="tsm-system-time.html">tsm_system_time —
   the SYSTEM_TIME sampling method for TABLESAMPLE</a></dt><dt id="ientry-idm8631">tsquery (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSQUERY">tsquery</a></dt><dt id="ientry-idm20627">tsquery_phrase, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY">Manipulating Queries</a></dt><dt id="ientry-idm8600">tsvector (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSVECTOR">tsvector</a></dt><dt id="ientry-idm33123">tsvector concatenation, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm20663">tsvector_to_array, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm31051">tsvector_update_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm31063">tsvector_update_trigger_column, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm20713">ts_debug, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-debugging.html#TEXTSEARCH-CONFIGURATION-TESTING">Configuration Testing</a></dt><dt id="ientry-idm20429">ts_delete, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20464">ts_filter, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20481">ts_headline, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-HEADLINE">Highlighting Results</a></dt><dt id="ientry-idm20743">ts_lexize, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-debugging.html#TEXTSEARCH-DICTIONARY-TESTING">Dictionary Testing</a></dt><dt id="ientry-idm20759">ts_parse, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-debugging.html#TEXTSEARCH-PARSER-TESTING">Parser Testing</a></dt><dt id="ientry-idm20542">ts_rank, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-RANKING">Ranking Search Results</a></dt><dt id="ientry-idm20566">ts_rank_cd, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-controls.html#TEXTSEARCH-RANKING">Ranking Search Results</a></dt><dt id="ientry-idm20590">ts_rewrite, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-QUERY-REWRITING">Query Rewriting</a></dt><dt id="ientry-idm20837">ts_stat, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-STATISTICS">Gathering Document Statistics</a></dt><dt id="ientry-idm20799">ts_token_type, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a>, <a class="indexterm" href="textsearch-debugging.html#TEXTSEARCH-PARSER-TESTING">Parser Testing</a></dt><dt id="ientry-idm171761">tuple_data_split, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm28822">txid_current, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28831">txid_current_if_assigned, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28840">txid_current_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28849">txid_snapshot_xip, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28859">txid_snapshot_xmax, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28869">txid_snapshot_xmin, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28890">txid_status, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28879">txid_visible_in_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm5887">type (see <a href="#ientry-idm1513">data type</a>)</dt><dt id="ientry-idm1506">type cast, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a>, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS">Type Casts</a></dt><dt id="ientry-idm66225">typedef</dt><dd><dl><dt>in ECPG, <a class="indexterm" href="ecpg-variables.html#ECPG-VARIABLES-NONPRIMITIVE-C-TYPEDEFS">Typedefs</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-U"><h3>U</h3><dl><dt id="ientry-idm1269">UESCAPE, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a>, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-UESCAPE">String Constants with Unicode Escapes</a></dt><dt id="ientry-idm176534">unaccent, <a class="indexterm" href="unaccent.html">unaccent — a text search dictionary which removes diacritics</a>, <a class="indexterm" href="unaccent.html#UNACCENT-FUNCTIONS">Functions</a></dt><dt id="ientry-idm1256">Unicode escape, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-UESCAPE">String Constants with Unicode Escapes</a></dt><dd><dl><dt>in identifiers, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS">Identifiers and Key Words</a></dt><dt>in string constants, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-UESCAPE">String Constants with Unicode Escapes</a></dt></dl></dd><dt id="ientry-idm12234">Unicode normalization, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm5395">UNION, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm170521">uniq, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm2720">unique constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-UNIQUE-CONSTRAINTS">Unique Constraints</a></dt><dt id="ientry-idm13405">unistr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm60846">Unix domain socket, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm40114">unix_socket_directories configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40136">unix_socket_group configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40147">unix_socket_permissions configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm10251">unknown, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm115859">UNLISTEN, <a class="indexterm" href="sql-unlisten.html">UNLISTEN</a></dt><dt id="ientry-idm20676">unnest, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dd><dl><dt>for multirange, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt>for tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt></dl></dd><dt id="ientry-idm3740">unqualified name, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a></dt><dt id="ientry-idm106815">updatable views, <a class="indexterm" href="sql-createview.html#SQL-CREATEVIEW-UPDATABLE-VIEWS">Updatable Views</a></dt><dt id="ientry-idm901">UPDATE, <a class="indexterm" href="tutorial-update.html">Updates</a>, <a class="indexterm" href="dml-update.html">Updating Data</a>, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a>, <a class="indexterm" href="sql-update.html">UPDATE</a></dt><dd><dl><dt>RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt></dl></dd><dt id="ientry-idm44158">update_process_title configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-PROC-TITLE">Process Title</a></dt><dt id="ientry-idm4484">updating, <a class="indexterm" href="dml-update.html">Updating Data</a></dt><dt id="ientry-idm39228">upgrading, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt><dt id="ientry-idm12605">upper, <a class="indexterm" href="functions-string.html">String Functions and Operators</a>, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm24730">upper_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24755">upper_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm111344">UPSERT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm60741">URI, <a class="indexterm" href="libpq-connect.html#LIBPQ-CONNSTRING">Connection Strings</a></dt><dt id="ientry-idm26853">user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a>, <a class="indexterm" href="database-roles.html">Database Roles</a></dt><dd><dl><dt>current, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt></dl></dd><dt id="ientry-idm4360">user mapping, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm46967">User name maps, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm104739">user_catalog_table storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm8676">UUID, <a class="indexterm" href="datatype-uuid.html">UUID Type</a>, <a class="indexterm" href="datatype-uuid.html">UUID Type</a>, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dd><dl><dt>generating, <a class="indexterm" href="datatype-uuid.html">UUID Type</a></dt></dl></dd><dt id="ientry-idm176612">uuid-ossp, <a class="indexterm" href="uuid-ossp.html">uuid-ossp — a UUID generator</a></dt><dt id="ientry-idm176639">uuid_generate_v1, <a class="indexterm" href="uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT">uuid-ossp Functions</a></dt><dt id="ientry-idm176647">uuid_generate_v1mc, <a class="indexterm" href="uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT">uuid-ossp Functions</a></dt><dt id="ientry-idm176655">uuid_generate_v3, <a class="indexterm" href="uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT">uuid-ossp Functions</a></dt></dl></div><div class="indexdiv" id="indexdiv-V"><h3>V</h3><dl><dt id="ientry-idm51062">vacuum, <a class="indexterm" href="routine-vacuuming.html">Routine Vacuuming</a></dt><dt id="ientry-idm116158">VACUUM, <a class="indexterm" href="sql-vacuum.html">VACUUM</a></dt><dt id="ientry-idm127610">vacuumdb, <a class="indexterm" href="app-vacuumdb.html">vacuumdb</a></dt><dt id="ientry-idm177214">vacuumlo, <a class="indexterm" href="vacuumlo.html">vacuumlo</a></dt><dt id="ientry-idm40782">vacuum_buffer_usage_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40923">vacuum_cost_delay configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST">Cost-based Vacuum Delay</a></dt><dt id="ientry-idm40964">vacuum_cost_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST">Cost-based Vacuum Delay</a></dt><dt id="ientry-idm40955">vacuum_cost_page_dirty configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST">Cost-based Vacuum Delay</a></dt><dt id="ientry-idm40937">vacuum_cost_page_hit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST">Cost-based Vacuum Delay</a></dt><dt id="ientry-idm40946">vacuum_cost_page_miss configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST">Cost-based Vacuum Delay</a></dt><dt id="ientry-idm44906">vacuum_failsafe_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44893">vacuum_freeze_min_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44876">vacuum_freeze_table_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm104522">vacuum_index_cleanup storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44957">vacuum_multixact_failsafe_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44944">vacuum_multixact_freeze_min_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44927">vacuum_multixact_freeze_table_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm104543">vacuum_truncate storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1768">value expression, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm5577">VALUES, <a class="indexterm" href="queries-values.html">VALUES Lists</a>, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>, <a class="indexterm" href="sql-values.html">VALUES</a></dt><dd><dl><dt>determination of result type, <a class="indexterm" href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a></dt></dl></dd><dt id="ientry-idm6642">varchar, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm76449">variadic function, <a class="indexterm" href="xfunc-sql.html#XFUNC-SQL-VARIADIC-FUNCTIONS">SQL Functions with Variable Numbers of Arguments</a></dt><dt id="ientry-idm25789">variance, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dd><dl><dt>population, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt>sample, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm25807">var_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25824">var_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm530">version, <a class="indexterm" href="tutorial-accessdb.html">Accessing a Database</a>, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a>, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt><dd><dl><dt>compatibility, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt></dl></dd><dt id="ientry-idm937">view, <a class="indexterm" href="tutorial-views.html">Views</a>, <a class="indexterm" href="rules-views.html">Views and the Rule System</a>, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a>, <a class="indexterm" href="rules-update.html#RULES-UPDATE-VIEWS">Cooperation with Views</a></dt><dd><dl><dt>implementation through rules, <a class="indexterm" href="rules-views.html">Views and the Rule System</a></dt><dt>materialized, <a class="indexterm" href="rules-materializedviews.html">Materialized Views</a></dt><dt>updating, <a class="indexterm" href="rules-update.html#RULES-UPDATE-VIEWS">Cooperation with Views</a></dt></dl></dd><dt id="ientry-idm151459">Visibility Map, <a class="indexterm" href="storage-vm.html">Visibility Map</a></dt><dt id="ientry-idm151461">VM (see <a href="#ientry-idm151459">Visibility Map</a>)</dt><dt id="ientry-idm10229">void, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm76679">VOLATILE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm76676">volatility, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dd><dl><dt>functions, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt></dl></dd><dt id="ientry-idm36229">VPATH, <a class="indexterm" href="install-make.html#INSTALL-PROCEDURE-MAKE">Installation Procedure</a>, <a class="indexterm" href="extend-pgxs.html">Extension Building Infrastructure</a></dt></dl></div><div class="indexdiv" id="indexdiv-W"><h3>W</h3><dl><dt id="ientry-idm58805">WAL, <a class="indexterm" href="wal.html">Reliability and the Write-Ahead Log</a></dt><dt id="ientry-idm45889">wal_block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm41468">wal_buffers configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41425">wal_compression configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm46180">wal_consistency_checking configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46202">wal_debug configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm41748">wal_decode_buffer_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm41446">wal_init_zero configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42026">wal_keep_size configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41191">wal_level configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41411">wal_log_hints configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42234">wal_receiver_create_temp_slot configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42245">wal_receiver_status_interval configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42275">wal_receiver_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm41458">wal_recycle configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42285">wal_retrieve_retry_interval configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm45899">wal_segment_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm42055">wal_sender_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41515">wal_skip_threshold configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41357">wal_sync_method configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41484">wal_writer_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41499">wal_writer_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm52439">warm standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm20236">websearch_to_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm5063">WHERE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-WHERE">The WHERE Clause</a></dt><dt id="ientry-idm42984">where to log, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm83492">WHILE</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS-WHILE">WHILE</a></dt></dl></dd><dt id="ientry-idm19293">width, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm11726">width_bucket, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm1012">window function, <a class="indexterm" href="tutorial-window.html">Window Functions</a>, <a class="indexterm" href="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS">Window Function Calls</a>, <a class="indexterm" href="queries-table-expressions.html#QUERIES-WINDOW">Window Function Processing</a>, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dd><dl><dt>built-in, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt>invocation, <a class="indexterm" href="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS">Window Function Calls</a></dt><dt>order of execution, <a class="indexterm" href="queries-table-expressions.html#QUERIES-WINDOW">Window Function Processing</a></dt></dl></dd><dt id="ientry-idm5612">WITH, <a class="indexterm" href="queries-with.html">WITH Queries (Common Table Expressions)</a>, <a class="indexterm" href="sql-select.html">SELECT</a></dt><dd><dl><dt>in SELECT, <a class="indexterm" href="queries-with.html">WITH Queries (Common Table Expressions)</a>, <a class="indexterm" href="sql-select.html">SELECT</a></dt></dl></dd><dt id="ientry-idm106737">WITH CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm1942">WITHIN GROUP, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm52447">witness server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm174229">word_similarity, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm40713">work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm51210">wraparound</dt><dd><dl><dt>of multixact IDs, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND">Multixacts and Wraparound</a></dt><dt>of transaction IDs, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-WRAPAROUND">Preventing Transaction ID Wraparound Failures</a></dt></dl></dd></dl></div><div class="indexdiv" id="indexdiv-X"><h3>X</h3><dl><dt id="ientry-idm9977">xid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9971">xid8, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm2912">xmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2898">xmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm8693">XML, <a class="indexterm" href="datatype-xml.html">XML Type</a></dt><dt id="ientry-idm21336">XML export, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-MAPPING">Mapping Tables to XML</a></dt><dt id="ientry-idm20878">XML Functions, <a class="indexterm" href="functions-xml.html">XML Functions</a></dt><dt id="ientry-idm8750">XML option, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a>, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm176748">xml2, <a class="indexterm" href="xml2.html">xml2 — XPath querying and XSLT functionality</a></dt><dt id="ientry-idm21045">xmlagg, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-XMLAGG">xmlagg</a>, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm44989">xmlbinary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm20896">xmlcomment, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLCOMMENT">xmlcomment</a></dt><dt id="ientry-idm20913">xmlconcat, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLCONCAT">xmlconcat</a></dt><dt id="ientry-idm20932">xmlelement, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLELEMENT">xmlelement</a></dt><dt id="ientry-idm21093">XMLEXISTS, <a class="indexterm" href="functions-xml.html#XML-EXISTS">XMLEXISTS</a></dt><dt id="ientry-idm20977">xmlforest, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLFOREST">xmlforest</a></dt><dt id="ientry-idm45006">xmloption configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm8717">xmlparse, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm21003">xmlpi, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLPI">xmlpi</a></dt><dt id="ientry-idm21024">xmlroot, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLROOT">xmlroot</a></dt><dt id="ientry-idm8730">xmlserialize, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm21213">xmltable, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt><dt id="ientry-idm21125">xml_is_well_formed, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm21129">xml_is_well_formed_content, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm21127">xml_is_well_formed_document, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm21164">XPath, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH">xpath</a></dt><dt id="ientry-idm21192">xpath_exists, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH-EXISTS">xpath_exists</a></dt><dt id="ientry-idm176885">xpath_table, <a class="indexterm" href="xml2.html#XML2-XPATH-TABLE">xpath_table</a></dt><dt id="ientry-idm15899">XQuery regular expressions, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm176966">xslt_process, <a class="indexterm" href="xml2.html#XML2-XSLT-XSLT-PROCESS">xslt_process</a></dt></dl></div><div class="indexdiv" id="indexdiv-Y"><h3>Y</h3><dl><dt id="ientry-idm36172">yacc, <a class="indexterm" href="install-requirements.html">Requirements</a></dt></dl></div><div class="indexdiv" id="indexdiv-Z"><h3>Z</h3><dl><dt id="ientry-idm46229">zero_damaged_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm36050">zlib, <a class="indexterm" href="install-requirements.html">Requirements</a>, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS-ANTI-FEATURES">Anti-Features</a>, <a class="indexterm" href="install-meson.html#MESON-OPTIONS-ANTI-FEATURES">Anti-Features</a></dt></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="biblio.html" title="Bibliography">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="index.html" title="PostgreSQL 16.2 Documentation">Up</a></td><td width="40%" align="right"> </td></tr><tr><td width="40%" align="left" valign="top">Bibliography </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>