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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 16.3 Documentation">Up</a></td><th width="60%" align="center">PostgreSQL 16.3 Documentation</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 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">$, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-PARAMETERS-POSITIONAL">Positional Parameters</a></dt><dt id="ientry-idm76854">$libdir, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm45316">$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-idm64744">.pgpass, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm64779">.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-idm90682">_PG_archive_module_init, <a class="indexterm" href="archive-module-init.html">Initialization Functions</a></dt><dt id="ientry-idm76887">_PG_init, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm90244">_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-idm19762">abbrev, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm90742">ABORT, <a class="indexterm" href="sql-abort.html">ABORT</a></dt><dt id="ientry-idm11260">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-idm27481">aclcontains, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27520">acldefault, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27552">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-idm27465">aclitemeq, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm11863">acos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11875">acosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12132">acosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm177704">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-idm167331">adminpack, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm35007">advisory lock, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a></dt><dt id="ientry-idm17278">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-idm37894">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-idm170391">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-idm45943">allow_in_place_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45955">allow_system_table_mods configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm90804">ALTER AGGREGATE, <a class="indexterm" href="sql-alteraggregate.html">ALTER AGGREGATE</a></dt><dt id="ientry-idm90928">ALTER COLLATION, <a class="indexterm" href="sql-altercollation.html">ALTER COLLATION</a></dt><dt id="ientry-idm91022">ALTER CONVERSION, <a class="indexterm" href="sql-alterconversion.html">ALTER CONVERSION</a></dt><dt id="ientry-idm91092">ALTER DATABASE, <a class="indexterm" href="sql-alterdatabase.html">ALTER DATABASE</a></dt><dt id="ientry-idm91227">ALTER DEFAULT PRIVILEGES, <a class="indexterm" href="sql-alterdefaultprivileges.html">ALTER DEFAULT PRIVILEGES</a></dt><dt id="ientry-idm91330">ALTER DOMAIN, <a class="indexterm" href="sql-alterdomain.html">ALTER DOMAIN</a></dt><dt id="ientry-idm91530">ALTER EVENT TRIGGER, <a class="indexterm" href="sql-altereventtrigger.html">ALTER EVENT TRIGGER</a></dt><dt id="ientry-idm91589">ALTER EXTENSION, <a class="indexterm" href="sql-alterextension.html">ALTER EXTENSION</a></dt><dt id="ientry-idm91817">ALTER FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-alterforeigndatawrapper.html">ALTER FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm91924">ALTER FOREIGN TABLE, <a class="indexterm" href="sql-alterforeigntable.html">ALTER FOREIGN TABLE</a></dt><dt id="ientry-idm92259">ALTER FUNCTION, <a class="indexterm" href="sql-alterfunction.html">ALTER FUNCTION</a></dt><dt id="ientry-idm92509">ALTER GROUP, <a class="indexterm" href="sql-altergroup.html">ALTER GROUP</a></dt><dt id="ientry-idm92585">ALTER INDEX, <a class="indexterm" href="sql-alterindex.html">ALTER INDEX</a></dt><dt id="ientry-idm92767">ALTER LANGUAGE, <a class="indexterm" href="sql-alterlanguage.html">ALTER LANGUAGE</a></dt><dt id="ientry-idm92817">ALTER LARGE OBJECT, <a class="indexterm" href="sql-alterlargeobject.html">ALTER LARGE OBJECT</a></dt><dt id="ientry-idm92860">ALTER MATERIALIZED VIEW, <a class="indexterm" href="sql-altermaterializedview.html">ALTER MATERIALIZED VIEW</a></dt><dt id="ientry-idm92978">ALTER OPERATOR, <a class="indexterm" href="sql-alteroperator.html">ALTER OPERATOR</a></dt><dt id="ientry-idm93071">ALTER OPERATOR CLASS, <a class="indexterm" href="sql-alteropclass.html">ALTER OPERATOR CLASS</a></dt><dt id="ientry-idm93141">ALTER OPERATOR FAMILY, <a class="indexterm" href="sql-alteropfamily.html">ALTER OPERATOR FAMILY</a></dt><dt id="ientry-idm93314">ALTER POLICY, <a class="indexterm" href="sql-alterpolicy.html">ALTER POLICY</a></dt><dt id="ientry-idm93397">ALTER PROCEDURE, <a class="indexterm" href="sql-alterprocedure.html">ALTER PROCEDURE</a></dt><dt id="ientry-idm93576">ALTER PUBLICATION, <a class="indexterm" href="sql-alterpublication.html">ALTER PUBLICATION</a></dt><dt id="ientry-idm47912">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-idm93942">ALTER ROUTINE, <a class="indexterm" href="sql-alterroutine.html">ALTER ROUTINE</a></dt><dt id="ientry-idm94022">ALTER RULE, <a class="indexterm" href="sql-alterrule.html">ALTER RULE</a></dt><dt id="ientry-idm94077">ALTER SCHEMA, <a class="indexterm" href="sql-alterschema.html">ALTER SCHEMA</a></dt><dt id="ientry-idm94132">ALTER SEQUENCE, <a class="indexterm" href="sql-altersequence.html">ALTER SEQUENCE</a></dt><dt id="ientry-idm94355">ALTER SERVER, <a class="indexterm" href="sql-alterserver.html">ALTER SERVER</a></dt><dt id="ientry-idm94438">ALTER STATISTICS, <a class="indexterm" href="sql-alterstatistics.html">ALTER STATISTICS</a></dt><dt id="ientry-idm94513">ALTER SUBSCRIPTION, <a class="indexterm" href="sql-altersubscription.html">ALTER SUBSCRIPTION</a></dt><dt id="ientry-idm94750">ALTER SYSTEM, <a class="indexterm" href="sql-altersystem.html">ALTER SYSTEM</a></dt><dt id="ientry-idm94830">ALTER TABLE, <a class="indexterm" href="sql-altertable.html">ALTER TABLE</a></dt><dt id="ientry-idm95773">ALTER TABLESPACE, <a class="indexterm" href="sql-altertablespace.html">ALTER TABLESPACE</a></dt><dt id="ientry-idm95852">ALTER TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-altertsconfig.html">ALTER TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm95963">ALTER TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-altertsdictionary.html">ALTER TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm96046">ALTER TEXT SEARCH PARSER, <a class="indexterm" href="sql-altertsparser.html">ALTER TEXT SEARCH PARSER</a></dt><dt id="ientry-idm96097">ALTER TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-altertstemplate.html">ALTER TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm96148">ALTER TRIGGER, <a class="indexterm" href="sql-altertrigger.html">ALTER TRIGGER</a></dt><dt id="ientry-idm96222">ALTER TYPE, <a class="indexterm" href="sql-altertype.html">ALTER TYPE</a></dt><dt id="ientry-idm96485">ALTER USER, <a class="indexterm" href="sql-alteruser.html">ALTER USER</a></dt><dt id="ientry-idm96537">ALTER USER MAPPING, <a class="indexterm" href="sql-alterusermapping.html">ALTER USER MAPPING</a></dt><dt id="ientry-idm96609">ALTER VIEW, <a class="indexterm" href="sql-alterview.html">ALTER VIEW</a></dt><dt id="ientry-idm167442">amcheck, <a class="indexterm" href="amcheck.html">amcheck — tools to verify table and index consistency</a></dt><dt id="ientry-idm51182">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-idm10445">AND (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm107452">anonymous code blocks, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm10211">any, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm25514">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-idm10215">anyarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10225">anycompatible, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10227">anycompatiblearray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10233">anycompatiblemultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10229">anycompatiblenonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10231">anycompatiblerange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10213">anyelement, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10219">anyenum, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10223">anymultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10217">anynonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10221">anyrange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24972">any_value, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm70439">applicable role, <a class="indexterm" href="infoschema-applicable-roles.html">applicable_roles</a></dt><dt id="ientry-idm43524">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-idm90667">Archive Modules, <a class="indexterm" href="archive-modules.html">Archive Modules</a></dt><dt id="ientry-idm41826">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-idm41687">archive_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41713">archive_library configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41660">archive_mode configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm41729">archive_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm19147">area, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm173040">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-idm24983">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-idm23872">array_append, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23888">array_cat, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23904">array_dims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23916">array_fill, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23935">array_length, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23954">array_lower, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23967">array_ndims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm45502">array_nulls configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm23979">array_position, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23997">array_positions, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24014">array_prepend, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24030">array_remove, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24045">array_replace, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24059">array_sample, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm24083">array_shuffle, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm21940">array_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24095">array_to_string, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm20170">array_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm24119">array_upper, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm12654">ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm11887">asin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11899">asind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12120">asinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm84293">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-idm84296">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-idm58850">asynchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm18311">AT TIME ZONE, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT">AT TIME ZONE</a></dt><dt id="ientry-idm11911">atan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11935">atan2, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11952">atan2d, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11923">atand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12144">atanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm40282">authentication_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm167670">auth_delay, <a class="indexterm" href="auth-delay.html">auth_delay — pause on authentication failure</a></dt><dt id="ientry-idm167684">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-idm35578">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-idm100850">autosummarize storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm44356">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-idm44368">autovacuum configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44466">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-idm44428">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-idm104554">autovacuum_enabled storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44479">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-idm104703">autovacuum_freeze_min_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm104729">autovacuum_freeze_table_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44381">autovacuum_max_workers configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44495">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-idm104740">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-idm104766">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-idm44390">autovacuum_naptime configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm44512">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-idm44525">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-idm44453">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-idm44415">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-idm44440">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-idm44403">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-idm40788">autovacuum_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm167698">auto_explain, <a class="indexterm" href="auto-explain.html">auto_explain — log execution plans of slow queries</a></dt><dt id="ientry-idm167744">auto_explain.log_analyze configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167759">auto_explain.log_buffers configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167831">auto_explain.log_format configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167846">auto_explain.log_level configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167719">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-idm167866">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-idm167732">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-idm167821">auto_explain.log_settings configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167785">auto_explain.log_timing configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167798">auto_explain.log_triggers configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167809">auto_explain.log_verbose configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167772">auto_explain.log_wal configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm167876">auto_explain.sample_rate configuration parameter, <a class="indexterm" href="auto-explain.html#AUTO-EXPLAIN-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm170418">avals, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm25001">average, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25003">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-idm31950">B-Tree (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm41067">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-idm89936">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-idm45522">backslash_quote configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm45965">backtrace_functions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm29444">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-idm152588">Backup Manifest, <a class="indexterm" href="backup-manifest-format.html">Backup Manifest Format</a></dt><dt id="ientry-idm75985">base type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm14166">base64 format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm167896">basebackup_to_shell, <a class="indexterm" href="basebackup-to-shell.html">basebackup_to_shell — example "shell" pg_basebackup module</a></dt><dt id="ientry-idm167914">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-idm167930">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-idm142436">BASE_BACKUP, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm167943">basic_archive, <a class="indexterm" href="basic-archive.html">basic_archive — an example WAL archive module</a></dt><dt id="ientry-idm167958">basic_archive.archive_directory configuration parameter, <a class="indexterm" href="basic-archive.html#BASIC-ARCHIVE-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm63138">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-idm96936">BEGIN, <a class="indexterm" href="sql-begin.html">BEGIN</a></dt><dt id="ientry-idm10842">BETWEEN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10844">BETWEEN SYMMETRIC, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm89983">BGWORKER_BACKEND_DATABASE_CONNECTION, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm89976">BGWORKER_SHMEM_ACCESS, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm41006">bgwriter_delay configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm41043">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-idm41020">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-idm41030">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-idm13602">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-idm36191">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-idm14208">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-idm32134">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-idm25037">bit_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13822">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-idm12263">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-idm25059">bit_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25081">bit_xor, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm65255">BLOB (see <a href="#ientry-idm65253">large object</a>)</dt><dt id="ientry-idm45725">block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm167976">bloom, <a class="indexterm" href="bloom.html">bloom — bloom filter index access method</a></dt><dt id="ientry-idm40191">bonjour configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40201">bonjour_name configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm7927">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-idm25103">bool_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25113">bool_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38616">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-idm19381">bound_box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19338">box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm8203">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-idm32042">BRIN (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm30563">brin_desummarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm172246">brin_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm172266">brin_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm172235">brin_page_type, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm172256">brin_revmap_data, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-BRIN-FUNCS">BRIN Functions</a></dt><dt id="ientry-idm30540">brin_summarize_new_values, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm30550">brin_summarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm19788">broadcast, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm47701">BSD Authentication, <a class="indexterm" href="auth-bsd.html">BSD Authentication</a></dt><dt id="ientry-idm168058">btree_gin, <a class="indexterm" href="btree-gin.html">btree_gin — GIN operator classes with B-tree behavior</a></dt><dt id="ientry-idm168105">btree_gist, <a class="indexterm" href="btree-gist.html">btree_gist — GiST operator classes with B-tree behavior</a></dt><dt id="ientry-idm12220">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-idm167463">bt_index_check, <a class="indexterm" href="amcheck.html#AMCHECK-FUNCTIONS">Functions</a></dt><dt id="ientry-idm167482">bt_index_parent_check, <a class="indexterm" href="amcheck.html#AMCHECK-FUNCTIONS">Functions</a></dt><dt id="ientry-idm172156">bt_metap, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm172174">bt_multi_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm172188">bt_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm172165">bt_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-B-TREE-FUNCS">B-Tree Functions</a></dt><dt id="ientry-idm100786">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-idm44996">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-idm60298">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-idm77629">C++, <a class="indexterm" href="xfunc-c.html#EXTEND-CPP">Using C++ for Extensibility</a></dt><dt id="ientry-idm97023">CALL, <a class="indexterm" href="sql-call.html">CALL</a></dt><dt id="ientry-idm63395">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-idm24132">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-idm52645">Cascading Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm23611">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-idm98880">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-idm11273">cbrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11285">ceil, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11304">ceiling, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19164">center, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47654">Certificate, <a class="indexterm" href="auth-cert.html">Certificate Authentication</a></dt><dt id="ientry-idm84124">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-idm45201">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-idm12289">character_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12276">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-idm106784">CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm58896">checkpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm97091">CHECKPOINT, <a class="indexterm" href="sql-checkpoint.html">CHECKPOINT</a></dt><dt id="ientry-idm41591">checkpoint_completion_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41601">checkpoint_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41580">checkpoint_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41619">checkpoint_warning configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm58807">checksums, <a class="indexterm" href="checksums.html">Data Checksums</a></dt><dt id="ientry-idm44706">check_function_bodies configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm12668">chr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm9979">cid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm8375">cidr, <a class="indexterm" href="datatype-net-types.html#DATATYPE-CIDR">cidr</a></dt><dt id="ientry-idm8290">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-idm168179">citext, <a class="indexterm" href="citext.html">citext — a case-insensitive character string type</a></dt><dt id="ientry-idm40279">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-idm40256">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-idm45198">client_encoding configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm44543">client_min_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17303">clock_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm97123">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-idm97193">CLUSTER, <a class="indexterm" href="sql-cluster.html">CLUSTER</a></dt><dt id="ientry-idm116659">clusterdb, <a class="indexterm" href="app-clusterdb.html">clusterdb</a></dt><dt id="ientry-idm52224">clustering, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm44164">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-idm23688">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-idm48692">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-idm28172">COLLATION FOR, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm179817">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-idm28571">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-idm97322">COMMENT, <a class="indexterm" href="sql-comment.html">COMMENT</a></dt><dt id="ientry-idm97559">COMMIT, <a class="indexterm" href="sql-commit.html">COMMIT</a></dt><dt id="ientry-idm97617">COMMIT PREPARED, <a class="indexterm" href="sql-commit-prepared.html">COMMIT PREPARED</a></dt><dt id="ientry-idm41548">commit_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41567">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-idm10541">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-idm65172">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-idm9663">computed field, <a class="indexterm" href="rowtypes.html#ROWTYPES-USAGE">Using Composite Types in Queries</a></dt><dt id="ientry-idm44303">compute_query_id configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm12683">concat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12698">concat_ws, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm34270">concurrency, <a class="indexterm" href="mvcc.html">Concurrency Control</a></dt><dt id="ientry-idm23613">conditional expression, <a class="indexterm" href="functions-conditional.html">Conditional Expressions</a></dt><dt id="ientry-idm29274">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-idm36242">configure, <a class="indexterm" href="install-make.html#CONFIGURE">Installation Procedure</a></dt><dt id="ientry-idm36941">configure environment variables, <a class="indexterm" href="install-make.html#CONFIGURE-ENVVARS">configure Environment Variables</a></dt><dt id="ientry-idm36346">configure options, <a class="indexterm" href="install-make.html#CONFIGURE-OPTIONS">configure Options</a></dt><dt id="ientry-idm39991">config_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm10451">conjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm176457">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-idm64775">connection service file, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm60759">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-idm42896">constraint_exclusion configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm75995">container type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm83513">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-idm51830">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-idm78932">control file, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-FILES">Extension Files</a></dt><dt id="ientry-idm14068">convert, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm14088">convert_from, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm14106">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-idm25567">corr, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25565">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-idm11969">cos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11981">cosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12096">cosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11993">cot, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12005">cotd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25123">count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25580">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-idm25583">covar_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25599">covar_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm32290">covering index, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm42685">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-idm42694">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-idm42676">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-idm98259">CREATE ACCESS METHOD, <a class="indexterm" href="sql-create-access-method.html">CREATE ACCESS METHOD</a></dt><dt id="ientry-idm98328">CREATE AGGREGATE, <a class="indexterm" href="sql-createaggregate.html">CREATE AGGREGATE</a></dt><dt id="ientry-idm98729">CREATE CAST, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt><dt id="ientry-idm98926">CREATE COLLATION, <a class="indexterm" href="sql-createcollation.html">CREATE COLLATION</a></dt><dt id="ientry-idm99073">CREATE CONVERSION, <a class="indexterm" href="sql-createconversion.html">CREATE CONVERSION</a></dt><dt id="ientry-idm48200">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-idm99425">CREATE DOMAIN, <a class="indexterm" href="sql-createdomain.html">CREATE DOMAIN</a></dt><dt id="ientry-idm99550">CREATE EVENT TRIGGER, <a class="indexterm" href="sql-createeventtrigger.html">CREATE EVENT TRIGGER</a></dt><dt id="ientry-idm99636">CREATE EXTENSION, <a class="indexterm" href="sql-createextension.html">CREATE EXTENSION</a></dt><dt id="ientry-idm99744">CREATE FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-createforeigndatawrapper.html">CREATE FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm99841">CREATE FOREIGN TABLE, <a class="indexterm" href="sql-createforeigntable.html">CREATE FOREIGN TABLE</a></dt><dt id="ientry-idm100071">CREATE FUNCTION, <a class="indexterm" href="sql-createfunction.html">CREATE FUNCTION</a></dt><dt id="ientry-idm100507">CREATE GROUP, <a class="indexterm" href="sql-creategroup.html">CREATE GROUP</a></dt><dt id="ientry-idm100546">CREATE INDEX, <a class="indexterm" href="sql-createindex.html">CREATE INDEX</a></dt><dt id="ientry-idm101020">CREATE LANGUAGE, <a class="indexterm" href="sql-createlanguage.html">CREATE LANGUAGE</a></dt><dt id="ientry-idm101144">CREATE MATERIALIZED VIEW, <a class="indexterm" href="sql-creatematerializedview.html">CREATE MATERIALIZED VIEW</a></dt><dt id="ientry-idm101257">CREATE OPERATOR, <a class="indexterm" href="sql-createoperator.html">CREATE OPERATOR</a></dt><dt id="ientry-idm101416">CREATE OPERATOR CLASS, <a class="indexterm" href="sql-createopclass.html">CREATE OPERATOR CLASS</a></dt><dt id="ientry-idm101579">CREATE OPERATOR FAMILY, <a class="indexterm" href="sql-createopfamily.html">CREATE OPERATOR FAMILY</a></dt><dt id="ientry-idm101638">CREATE POLICY, <a class="indexterm" href="sql-createpolicy.html">CREATE POLICY</a></dt><dt id="ientry-idm102042">CREATE PROCEDURE, <a class="indexterm" href="sql-createprocedure.html">CREATE PROCEDURE</a></dt><dt id="ientry-idm102248">CREATE PUBLICATION, <a class="indexterm" href="sql-createpublication.html">CREATE PUBLICATION</a></dt><dt id="ientry-idm47748">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-idm102750">CREATE RULE, <a class="indexterm" href="sql-createrule.html">CREATE RULE</a></dt><dt id="ientry-idm102925">CREATE SCHEMA, <a class="indexterm" href="sql-createschema.html">CREATE SCHEMA</a></dt><dt id="ientry-idm103037">CREATE SEQUENCE, <a class="indexterm" href="sql-createsequence.html">CREATE SEQUENCE</a></dt><dt id="ientry-idm103247">CREATE SERVER, <a class="indexterm" href="sql-createserver.html">CREATE SERVER</a></dt><dt id="ientry-idm103339">CREATE STATISTICS, <a class="indexterm" href="sql-createstatistics.html">CREATE STATISTICS</a></dt><dt id="ientry-idm103442">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-idm105012">CREATE TABLE AS, <a class="indexterm" href="sql-createtableas.html">CREATE TABLE AS</a></dt><dt id="ientry-idm48379">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-idm105320">CREATE TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-createtsconfig.html">CREATE TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm105379">CREATE TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-createtsdictionary.html">CREATE TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm105442">CREATE TEXT SEARCH PARSER, <a class="indexterm" href="sql-createtsparser.html">CREATE TEXT SEARCH PARSER</a></dt><dt id="ientry-idm105515">CREATE TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-createtstemplate.html">CREATE TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm105571">CREATE TRANSFORM, <a class="indexterm" href="sql-createtransform.html">CREATE TRANSFORM</a></dt><dt id="ientry-idm105671">CREATE TRIGGER, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dt id="ientry-idm106075">CREATE TYPE, <a class="indexterm" href="sql-createtype.html">CREATE TYPE</a></dt><dt id="ientry-idm106557">CREATE USER, <a class="indexterm" href="sql-createuser.html">CREATE USER</a></dt><dt id="ientry-idm106602">CREATE USER MAPPING, <a class="indexterm" href="sql-createusermapping.html">CREATE USER MAPPING</a></dt><dt id="ientry-idm106674">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-idm45063">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-idm100432">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-idm47763">createuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-createuser.html">createuser</a></dt><dt id="ientry-idm142108">CREATE_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm36796">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-idm176495">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-idm172764">crypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PASSWORD-HASHING-FUNCS-CRYPT">crypt()</a></dt><dt id="ientry-idm10253">cstring, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm126003">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-idm81797">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-idm168329">cube (extension), <a class="indexterm" href="cube.html">cube — a multi-dimensional cube data type</a></dt><dt id="ientry-idm26043">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-idm26811">current_catalog, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26816">current_database, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm17315">current_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26953">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-idm26826">current_query, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26834">current_role, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26843">current_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26857">current_schemas, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29293">current_setting, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm17327">current_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17350">current_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26873">current_user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm23560">currval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm83848">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-idm42920">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-idm146485">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-idm37938">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-idm170041">daitch_mokotoff, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DAITCH-MOKOTOFF">Daitch-Mokotoff Soundex</a></dt><dt id="ientry-idm38442">data area (see <a href="#ientry-idm620">database cluster</a>)</dt><dt id="ientry-idm52226">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-idm53139">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-idm45738">data_checksums configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39982">data_directory configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm45748">data_directory_mode configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45686">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-idm16056">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm45088">DateStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm17373">date_add, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm18273">date_bin, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-BIN">date_bin</a></dt><dt id="ientry-idm17407">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-idm17435">date_subtract, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17456">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-idm168754">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-idm169499">dblink_build_sql_delete, <a class="indexterm" href="contrib-dblink-build-sql-delete.html">dblink_build_sql_delete</a></dt><dt id="ientry-idm169438">dblink_build_sql_insert, <a class="indexterm" href="contrib-dblink-build-sql-insert.html">dblink_build_sql_insert</a></dt><dt id="ientry-idm169555">dblink_build_sql_update, <a class="indexterm" href="contrib-dblink-build-sql-update.html">dblink_build_sql_update</a></dt><dt id="ientry-idm169372">dblink_cancel_query, <a class="indexterm" href="contrib-dblink-cancel-query.html">dblink_cancel_query</a></dt><dt id="ientry-idm169111">dblink_close, <a class="indexterm" href="contrib-dblink-close.html">dblink_close</a></dt><dt id="ientry-idm168762">dblink_connect, <a class="indexterm" href="contrib-dblink-connect.html">dblink_connect</a></dt><dt id="ientry-idm168819">dblink_connect_u, <a class="indexterm" href="contrib-dblink-connect-u.html">dblink_connect_u</a></dt><dt id="ientry-idm168846">dblink_disconnect, <a class="indexterm" href="contrib-dblink-disconnect.html">dblink_disconnect</a></dt><dt id="ientry-idm169182">dblink_error_message, <a class="indexterm" href="contrib-dblink-error-message.html">dblink_error_message</a></dt><dt id="ientry-idm168945">dblink_exec, <a class="indexterm" href="contrib-dblink-exec.html">dblink_exec</a></dt><dt id="ientry-idm169059">dblink_fetch, <a class="indexterm" href="contrib-dblink-fetch.html">dblink_fetch</a></dt><dt id="ientry-idm169160">dblink_get_connections, <a class="indexterm" href="contrib-dblink-get-connections.html">dblink_get_connections</a></dt><dt id="ientry-idm169288">dblink_get_notify, <a class="indexterm" href="contrib-dblink-get-notify.html">dblink_get_notify</a></dt><dt id="ientry-idm169403">dblink_get_pkey, <a class="indexterm" href="contrib-dblink-get-pkey.html">dblink_get_pkey</a></dt><dt id="ientry-idm169322">dblink_get_result, <a class="indexterm" href="contrib-dblink-get-result.html">dblink_get_result</a></dt><dt id="ientry-idm169258">dblink_is_busy, <a class="indexterm" href="contrib-dblink-is-busy.html">dblink_is_busy</a></dt><dt id="ientry-idm168996">dblink_open, <a class="indexterm" href="contrib-dblink-open.html">dblink_open</a></dt><dt id="ientry-idm169219">dblink_send_query, <a class="indexterm" href="contrib-dblink-send-query.html">dblink_send_query</a></dt><dt id="ientry-idm40357">db_user_namespace configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm34991">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-idm45438">deadlock_timeout configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm106973">DEALLOCATE, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a></dt><dt id="ientry-idm173042">dearmor, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-ARMOR">armor(), dearmor()</a></dt><dt id="ientry-idm45760">debug_assertions configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm46177">debug_deadlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45977">debug_discard_caches configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45996">debug_io_direct configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46377">debug_logical_replication_streaming configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46014">debug_parallel_query configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43563">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-idm43539">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-idm43551">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-idm43545">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-idm107024">DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt id="ientry-idm14146">decode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm85890">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-idm173166">decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm173170">decrypt_iv, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm100764">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-idm179917">default-roles, <a class="indexterm" href="default-roles.html">Default Roles Renamed to Predefined Roles</a></dt><dt id="ientry-idm42881">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-idm44641">default_tablespace configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44629">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-idm45281">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-idm44664">default_toast_compression configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44758">default_transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44723">default_transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44743">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-idm44755">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-idm170579">defined, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm11321">degrees, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm18471">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-idm170594">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-idm26014">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-idm19178">diagonal, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19191">diameter, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm169619">dict_int, <a class="indexterm" href="dict-int.html">dict_int —
   example full-text search dictionary for integers</a></dt><dt id="ientry-idm169664">dict_xsyn, <a class="indexterm" href="dict-xsyn.html">dict_xsyn — example synonym full-text search dictionary</a></dt><dt id="ientry-idm170020">difference, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-SOUNDEX">Soundex</a></dt><dt id="ientry-idm172664">digest, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-GENERAL-HASHING-FUNCS-DIGEST">digest()</a></dt><dt id="ientry-idm34309">dirty read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm107395">DISCARD, <a class="indexterm" href="sql-discard.html">DISCARD</a></dt><dt id="ientry-idm10453">disjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm59071">disk drive, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm51133">disk space, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-SPACE-RECOVERY">Recovering Disk Space</a></dt><dt id="ientry-idm58670">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-idm11333">div, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm170098">dmetaphone, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DOUBLE-METAPHONE">Double Metaphone</a></dt><dt id="ientry-idm170100">dmetaphone_alt, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-DOUBLE-METAPHONE">Double Metaphone</a></dt><dt id="ientry-idm107450">DO, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm32570">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-idm9929">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-idm107514">DROP ACCESS METHOD, <a class="indexterm" href="sql-drop-access-method.html">DROP ACCESS METHOD</a></dt><dt id="ientry-idm107570">DROP AGGREGATE, <a class="indexterm" href="sql-dropaggregate.html">DROP AGGREGATE</a></dt><dt id="ientry-idm107670">DROP CAST, <a class="indexterm" href="sql-dropcast.html">DROP CAST</a></dt><dt id="ientry-idm107729">DROP COLLATION, <a class="indexterm" href="sql-dropcollation.html">DROP COLLATION</a></dt><dt id="ientry-idm107789">DROP CONVERSION, <a class="indexterm" href="sql-dropconversion.html">DROP CONVERSION</a></dt><dt id="ientry-idm48350">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-idm107905">DROP DOMAIN, <a class="indexterm" href="sql-dropdomain.html">DROP DOMAIN</a></dt><dt id="ientry-idm107963">DROP EVENT TRIGGER, <a class="indexterm" href="sql-dropeventtrigger.html">DROP EVENT TRIGGER</a></dt><dt id="ientry-idm108020">DROP EXTENSION, <a class="indexterm" href="sql-dropextension.html">DROP EXTENSION</a></dt><dt id="ientry-idm108086">DROP FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-dropforeigndatawrapper.html">DROP FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm108145">DROP FOREIGN TABLE, <a class="indexterm" href="sql-dropforeigntable.html">DROP FOREIGN TABLE</a></dt><dt id="ientry-idm108204">DROP FUNCTION, <a class="indexterm" href="sql-dropfunction.html">DROP FUNCTION</a></dt><dt id="ientry-idm108306">DROP GROUP, <a class="indexterm" href="sql-dropgroup.html">DROP GROUP</a></dt><dt id="ientry-idm108334">DROP INDEX, <a class="indexterm" href="sql-dropindex.html">DROP INDEX</a></dt><dt id="ientry-idm108405">DROP LANGUAGE, <a class="indexterm" href="sql-droplanguage.html">DROP LANGUAGE</a></dt><dt id="ientry-idm108470">DROP MATERIALIZED VIEW, <a class="indexterm" href="sql-dropmaterializedview.html">DROP MATERIALIZED VIEW</a></dt><dt id="ientry-idm108530">DROP OPERATOR, <a class="indexterm" href="sql-dropoperator.html">DROP OPERATOR</a></dt><dt id="ientry-idm108607">DROP OPERATOR CLASS, <a class="indexterm" href="sql-dropopclass.html">DROP OPERATOR CLASS</a></dt><dt id="ientry-idm108683">DROP OPERATOR FAMILY, <a class="indexterm" href="sql-dropopfamily.html">DROP OPERATOR FAMILY</a></dt><dt id="ientry-idm108756">DROP OWNED, <a class="indexterm" href="sql-drop-owned.html">DROP OWNED</a></dt><dt id="ientry-idm108818">DROP POLICY, <a class="indexterm" href="sql-droppolicy.html">DROP POLICY</a></dt><dt id="ientry-idm108881">DROP PROCEDURE, <a class="indexterm" href="sql-dropprocedure.html">DROP PROCEDURE</a></dt><dt id="ientry-idm109000">DROP PUBLICATION, <a class="indexterm" href="sql-droppublication.html">DROP PUBLICATION</a></dt><dt id="ientry-idm47750">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-idm109117">DROP ROUTINE, <a class="indexterm" href="sql-droproutine.html">DROP ROUTINE</a></dt><dt id="ientry-idm109191">DROP RULE, <a class="indexterm" href="sql-droprule.html">DROP RULE</a></dt><dt id="ientry-idm109255">DROP SCHEMA, <a class="indexterm" href="sql-dropschema.html">DROP SCHEMA</a></dt><dt id="ientry-idm109319">DROP SEQUENCE, <a class="indexterm" href="sql-dropsequence.html">DROP SEQUENCE</a></dt><dt id="ientry-idm109379">DROP SERVER, <a class="indexterm" href="sql-dropserver.html">DROP SERVER</a></dt><dt id="ientry-idm109438">DROP STATISTICS, <a class="indexterm" href="sql-dropstatistics.html">DROP STATISTICS</a></dt><dt id="ientry-idm109490">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-idm109620">DROP TABLESPACE, <a class="indexterm" href="sql-droptablespace.html">DROP TABLESPACE</a></dt><dt id="ientry-idm109674">DROP TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-droptsconfig.html">DROP TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm109733">DROP TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-droptsdictionary.html">DROP TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm109791">DROP TEXT SEARCH PARSER, <a class="indexterm" href="sql-droptsparser.html">DROP TEXT SEARCH PARSER</a></dt><dt id="ientry-idm109849">DROP TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-droptstemplate.html">DROP TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm109907">DROP TRANSFORM, <a class="indexterm" href="sql-droptransform.html">DROP TRANSFORM</a></dt><dt id="ientry-idm109972">DROP TRIGGER, <a class="indexterm" href="sql-droptrigger.html">DROP TRIGGER</a></dt><dt id="ientry-idm110037">DROP TYPE, <a class="indexterm" href="sql-droptype.html">DROP TYPE</a></dt><dt id="ientry-idm110097">DROP USER, <a class="indexterm" href="sql-dropuser.html">DROP USER</a></dt><dt id="ientry-idm110126">DROP USER MAPPING, <a class="indexterm" href="sql-dropusermapping.html">DROP USER MAPPING</a></dt><dt id="ientry-idm110187">DROP VIEW, <a class="indexterm" href="sql-dropview.html">DROP VIEW</a></dt><dt id="ientry-idm48360">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-idm47765">dropuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-dropuser.html">dropuser</a></dt><dt id="ientry-idm142417">DROP_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm8731">DTD, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm36915">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-idm45395">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-idm76859">dynamic_library_path, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm45392">dynamic_library_path configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a></dt><dt id="ientry-idm40870">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-idm170547">each, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm169767">earth, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm169721">earthdistance, <a class="indexterm" href="earthdistance.html">earthdistance — calculate great-circle distances</a></dt><dt id="ientry-idm169831">earth_box, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm169821">earth_distance, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm65661">ECPG, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dt id="ientry-idm117950">ecpg, <a class="indexterm" href="app-ecpg.html">ecpg</a></dt><dt id="ientry-idm42744">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-idm41083">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-idm85278">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-idm65656">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-idm72297">enabled role, <a class="indexterm" href="infoschema-enabled-roles.html">enabled_roles</a></dt><dt id="ientry-idm42414">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-idm42426">enable_bitmapscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42436">enable_gathermerge configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42446">enable_hashagg configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42456">enable_hashjoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42466">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-idm42488">enable_indexonlyscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42478">enable_indexscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42499">enable_material configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42509">enable_memoize configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42519">enable_mergejoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42529">enable_nestloop configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42539">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-idm42549">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-idm42580">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-idm42570">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-idm42559">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-idm42591">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-idm42607">enable_seqscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42617">enable_sort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42627">enable_tidscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm14124">encode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm85940">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-idm85912">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-idm85901">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-idm85930">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-idm173164">encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm39421">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-idm173168">encrypt_iv, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RAW-ENC-FUNCS">Raw Encryption Functions</a></dt><dt id="ientry-idm110245">END, <a class="indexterm" href="sql-end.html">END</a></dt><dt id="ientry-idm8015">enumerated types, <a class="indexterm" href="datatype-enum.html">Enumerated Types</a></dt><dt id="ientry-idm18508">enum_first, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18520">enum_last, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18532">enum_range, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm64444">environment variable, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm88869">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-idm144730">ereport, <a class="indexterm" href="error-message-reporting.html">Reporting Errors Within the Server</a></dt><dt id="ientry-idm11350">erf, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11362">erfc, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm62296">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-idm61729">error message, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm14177">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-idm45551">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-idm62693">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-idm39726">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-idm80053">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-idm43281">event_source configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm10239">event_trigger, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm25141">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-idm83663">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-idm110308">EXECUTE, <a class="indexterm" href="sql-execute.html">EXECUTE</a></dt><dt id="ientry-idm170565">exist, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm26298">EXISTS, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dt id="ientry-idm83481">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-idm45664">exit_on_error configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm11375">exp, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm35149">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-idm75942">extending SQL, <a class="indexterm" href="extend.html">Extending SQL</a></dt><dt id="ientry-idm78883">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-idm40023">external_pid_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm17495">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-idm45174">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-idm11392">factorial, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm52218">failover, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm7932">false, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm19800">family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm63469">fast path, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm100804">fastupdate storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm10245">fdw_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm110592">FETCH, <a class="indexterm" href="sql-fetch.html">FETCH</a></dt><dt id="ientry-idm9665">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-idm38541">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-idm169871">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-idm100742">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-idm26222">first_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm36187">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-idm45171">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-idm11404">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-idm145350">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-idm12715">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-idm16056">formatting, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27765">format_type, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm151488">Free Space Map, <a class="indexterm" href="storage-fsm.html">Free Space Map</a></dt><dt id="ientry-idm38637">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-idm42930">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-idm151490">FSM (see <a href="#ientry-idm151488">Free Space Map</a>)</dt><dt id="ientry-idm172075">fsm_page_contents, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm41258">fsync configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm8589">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-idm41415">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-idm169998">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-idm11423">gcd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm169784">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-idm26666">generate_series, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm26753">generate_subscripts, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm42802">genetic query optimization, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm173216">gen_random_bytes, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-RANDOM-DATA-FUNCS">Random-Data Functions</a></dt><dt id="ientry-idm20887">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-idm172780">gen_salt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PASSWORD-HASHING-FUNCS-GEN-SALT">gen_salt()</a></dt><dt id="ientry-idm42804">GEQO (see <a href="#ientry-idm42802">genetic query optimization</a>)</dt><dt id="ientry-idm42807">geqo configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42829">geqo_effort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42850">geqo_generations configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42840">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-idm42869">geqo_seed configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm42860">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-idm42817">geqo_threshold configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm13839">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-idm13855">get_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm20184">get_current_ts_config, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm172022">get_raw_page, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm32025">GIN (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm30575">gin_clean_pending_list, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm45419">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-idm172302">gin_leafpage_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm172282">gin_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm172292">gin_page_opaque_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIN-FUNCS">GIN Functions</a></dt><dt id="ientry-idm45049">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-idm31986">GiST (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm172325">gist_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm172335">gist_page_items_bytea, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm172315">gist_page_opaque_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GIST-FUNCS">GiST Functions</a></dt><dt id="ientry-idm85123">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-idm23749">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-idm154535">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-idm26067">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-idm39660">gssapi, <a class="indexterm" href="gssapi-enc.html">Secure TCP/IP Connections with GSSAPI Encryption</a></dt><dt id="ientry-idm47229">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-idm40344">gss_accept_delegation configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm8687">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-idm31976">hash (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm172378">hash_bitmap_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm40752">hash_mem_multiplier configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm172388">hash_metapage_info, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172368">hash_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172358">hash_page_stats, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm172348">hash_page_type, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HASH-FUNCS">Hash Functions</a></dt><dt id="ientry-idm27148">has_any_column_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27169">has_column_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27195">has_database_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27217">has_foreign_data_wrapper_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27235">has_function_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27257">has_language_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27275">has_parameter_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27293">has_schema_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27312">has_sequence_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27332">has_server_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27374">has_tablespace_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27350">has_table_privilege, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm27392">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-idm40002">hba_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm172091">heap_page_items, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm172122">heap_page_item_attrs, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm172136">heap_tuple_infomask_flags, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm19203">height, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm14187">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-idm52216">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-idm172683">hmac, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-GENERAL-HASHING-FUNCS-HMAC">hmac()</a></dt><dt id="ientry-idm19814">host, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm60863">host
        name, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm19826">hostmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm52801">hot standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm42216">hot_standby configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42280">hot_standby_feedback configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm170108">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-idm170445">hstore_to_array, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170471">hstore_to_json, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170488">hstore_to_jsonb, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170519">hstore_to_jsonb_loose, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170505">hstore_to_json_loose, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm170458">hstore_to_matrix, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm40644">huge_pages configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40680">huge_page_size configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm25972">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-idm170811">icount, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm36709">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-idm45257">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-idm47390">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-idm142030">IDENTIFY_SYSTEM, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm40012">ident_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm44874">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-idm44885">idle_session_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm170884">idx, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm23692">IFNULL, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm46234">ignore_checksum_failure configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46264">ignore_invalid_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46040">ignore_system_indexes configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm76726">IMMUTABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm111113">IMPORT FOREIGN SCHEMA, <a class="indexterm" href="sql-importforeignschema.html">IMPORT FOREIGN SCHEMA</a></dt><dt id="ientry-idm26300">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-idm32320">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-idm39928">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-idm39945">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-idm39936">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-idm31880">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-idm146804">Index Access Method, <a class="indexterm" href="indexam.html">Index Access Method Interface Definition</a></dt><dt id="ientry-idm42476">index scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm32285">index-only scan, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm146806">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-idm10249">index_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm8359">inet (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-INET">inet</a></dt><dt id="ientry-idm26884">inet_client_addr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26893">inet_client_port, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm19838">inet_merge, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm19851">inet_same_family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm26902">inet_server_addr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm26911">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-idm70321">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-idm12732">initcap, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm38459">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-idm151526">Initialization Fork, <a class="indexterm" href="storage-init.html">The Initialization Fork</a></dt><dt id="ientry-idm77920">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-idm35982">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-idm85037">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-idm170739">intagg, <a class="indexterm" href="intagg.html">intagg — integer aggregator and enumerator</a></dt><dt id="ientry-idm170781">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-idm45775">integer_datetimes configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm177685">interfaces</dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-interfaces.html">Client Interfaces</a></dt></dl></dd><dt id="ientry-idm10255">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-idm16056">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm45115">IntervalStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm170930">intset, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm170746">int_array_aggregate, <a class="indexterm" href="intagg.html#INTAGG-FUNCTIONS">Functions</a></dt><dt id="ientry-idm170753">int_array_enum, <a class="indexterm" href="intagg.html#INTAGG-FUNCTIONS">Functions</a></dt><dt id="ientry-idm25868">inverse distribution, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm45787">in_hot_standby configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm147640">in_range support functions, <a class="indexterm" href="btree-support-funcs.html">B-Tree Support Functions</a></dt><dt id="ientry-idm10870">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-idm21093">IS DOCUMENT, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-IS-DOCUMENT">IS DOCUMENT</a></dt><dt id="ientry-idm10938">IS FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm22160">IS JSON, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm10872">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-idm21105">IS NOT DOCUMENT, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-IS-NOT-DOCUMENT">IS NOT DOCUMENT</a></dt><dt id="ientry-idm10940">IS NOT FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10892">IS NOT NULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10936">IS NOT TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10944">IS NOT UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10890">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-idm10934">IS TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10942">IS UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm19215">isclosed, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm24728">isempty, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm17523">isfinite, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm171120">isn, <a class="indexterm" href="isn.html">isn — data types for international standard numbers (ISBN, EAN, UPC, etc.)</a></dt><dt id="ientry-idm10894">ISNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm171247">isn_weak, <a class="indexterm" href="isn.html#ISN-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm19227">isopen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm85965">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-idm171271">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-idm59761">JIT, <a class="indexterm" href="jit.html">Just-in-Time Compilation (JIT)</a></dt><dt id="ientry-idm42944">jit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm42759">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-idm46278">jit_debugging_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46289">jit_dump_bitcode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46302">jit_expressions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42772">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-idm42784">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-idm46313">jit_profiling_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm45375">jit_provider configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm46325">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-idm42957">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-idm8785">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-idm8787">JSONB, <a class="indexterm" href="datatype-json.html">JSON Types</a></dt><dt id="ientry-idm8918">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-idm25158">jsonb_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25410">jsonb_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22212">jsonb_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22231">jsonb_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22251">jsonb_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22021">jsonb_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22043">jsonb_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22276">jsonb_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22303">jsonb_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22332">jsonb_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22359">jsonb_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22595">jsonb_insert, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22112">jsonb_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25214">jsonb_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25238">jsonb_object_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25264">jsonb_object_agg_unique, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25319">jsonb_object_agg_unique_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22383">jsonb_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22646">jsonb_path_exists, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22772">jsonb_path_exists_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22673">jsonb_path_match, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22787">jsonb_path_match_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22698">jsonb_path_query, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22723">jsonb_path_query_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22817">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-idm22747">jsonb_path_query_first, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22832">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-idm22802">jsonb_path_query_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22405">jsonb_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22460">jsonb_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22856">jsonb_pretty, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22528">jsonb_set, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22560">jsonb_set_lax, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22634">jsonb_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22486">jsonb_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22511">jsonb_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20419">jsonb_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22875">jsonb_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm9124">jsonpath, <a class="indexterm" href="datatype-json.html#DATATYPE-JSONPATH">jsonpath Type</a></dt><dt id="ientry-idm25152">json_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25404">json_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21955">json_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25279">json_arrayagg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22206">json_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22225">json_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22245">json_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22014">json_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22036">json_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22266">json_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22293">json_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22322">json_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22349">json_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22058">json_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm25170">json_objectagg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25205">json_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25229">json_object_agg_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25255">json_object_agg_unique, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25310">json_object_agg_unique_strict, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22377">json_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22396">json_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22451">json_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22628">json_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22480">json_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22505">json_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20407">json_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22869">json_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm154558">Julian date, <a class="indexterm" href="datetime-julian-dates.html">Julian Dates</a></dt><dt id="ientry-idm59764">Just-In-Time compilation (see <a href="#ientry-idm59761">JIT</a>)</dt><dt id="ientry-idm17555">justify_days, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17567">justify_hours, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17579">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-idm40333">krb_caseins_users configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm40319">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-idm26172">lag, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm10243">language_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm65253">large object, <a class="indexterm" href="largeobjects.html">Large Objects</a></dt><dt id="ientry-idm23575">lastval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm26233">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-idm169803">latitude, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm171885">lca, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm11441">lcm, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm45211">lc_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45224">lc_monetary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45235">lc_numeric configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45246">lc_time configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm36605">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-idm64806">LDAP connection parameter lookup, <a class="indexterm" href="libpq-ldap.html">LDAP Lookup of Connection Parameters</a></dt><dt id="ientry-idm37829">ldconfig, <a class="indexterm" href="install-post.html#INSTALL-POST-SHLIBS">Shared Libraries</a></dt><dt id="ientry-idm26197">lead, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm23751">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-idm12744">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-idm12281">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-idm33183">length(tsvector), <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm170063">levenshtein, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-LEVENSHTEIN">Levenshtein</a></dt><dt id="ientry-idm170065">levenshtein_less_equal, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-LEVENSHTEIN">Levenshtein</a></dt><dt id="ientry-idm36189">lex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm36054">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-idm36109">libperl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm60296">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-idm60323">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-idm61485">libpq-int.h, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm36132">libpython, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm76889">library initialization function, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm14512">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-idm15895">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-idm8133">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-idm8173">line segment, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LSEG">Line Segments</a></dt><dt id="ientry-idm25548">linear regression, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38651">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-idm111619">LISTEN, <a class="indexterm" href="sql-listen.html">LISTEN</a></dt><dt id="ientry-idm40060">listen_addresses configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm36543">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-idm169793">ll_to_earth, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm11459">ln, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm171331">lo, <a class="indexterm" href="lo.html">lo — manage large objects</a></dt><dt id="ientry-idm111689">LOAD, <a class="indexterm" href="sql-load.html">LOAD</a></dt><dt id="ientry-idm52222">load balancing, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm38527">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-idm17593">localtime, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17616">localtimestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm45313">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-idm34579">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-idm34593">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-idm44853">lock_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11475">log, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm52466">log shipping, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm11491">log10, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm26950">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-idm43074">logging_collector configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm90099">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-idm40826">logical_decoding_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm47796">login privilege, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt id="ientry-idm43577">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-idm46189">log_btree_build_stats configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43592">log_checkpoints configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43602">log_connections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43015">log_destination configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43095">log_directory configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43617">log_disconnections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43629">log_duration configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43649">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-idm44345">log_executor_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43107">log_filename configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43140">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-idm43670">log_hostname configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43680">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-idm43837">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-idm43369">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-idm43348">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-idm43323">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-idm43297">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-idm43862">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-idm43876">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-idm44333">log_parser_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm44339">log_planner_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43849">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-idm43925">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-idm43159">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-idm43170">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-idm43419">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-idm43888">log_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43388">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-idm44327">log_statement_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm43937">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-idm43947">log_timezone configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm43403">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-idm43181">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-idm169812">longitude, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm85953">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-idm83451">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-idm12301">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-idm24740">lower_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24764">lower_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm65530">lo_close, <a class="indexterm" href="lo-interfaces.html#LO-CLOSE">Closing a Large Object Descriptor</a></dt><dt id="ientry-idm45566">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-idm65331">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-idm65320">lo_create, <a class="indexterm" href="lo-interfaces.html#LO-CREATE">Creating a Large Object</a></dt><dt id="ientry-idm65378">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-idm65561">lo_from_bytea, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65596">lo_get, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65355">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-idm65361">lo_import_with_oid, <a class="indexterm" href="lo-interfaces.html#LO-IMPORT">Importing a Large Object</a></dt><dt id="ientry-idm65462">lo_lseek, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm65472">lo_lseek64, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm65386">lo_open, <a class="indexterm" href="lo-interfaces.html#LO-OPEN">Opening an Existing Large Object</a></dt><dt id="ientry-idm65578">lo_put, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm65445">lo_read, <a class="indexterm" href="lo-interfaces.html#LO-READ">Reading Data from a Large Object</a></dt><dt id="ientry-idm65484">lo_tell, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm65488">lo_tell64, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm65499">lo_truncate, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm65516">lo_truncate64, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm65540">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-idm65428">lo_write, <a class="indexterm" href="lo-interfaces.html#LO-WRITE">Writing Data to a Large Object</a></dt><dt id="ientry-idm12313">lpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm8171">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-idm59045">LSN, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm171387">ltree, <a class="indexterm" href="ltree.html">ltree — hierarchical tree-like data type</a></dt><dt id="ientry-idm171874">ltree2text, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm12336">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-idm8488">MAC address (see macaddr)</dt><dt id="ientry-idm8517">MAC address (EUI-64 format) (see macaddr)</dt><dt id="ientry-idm8486">macaddr (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR">macaddr</a></dt><dt id="ientry-idm8515">macaddr8 (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR8">macaddr8</a></dt><dt id="ientry-idm19987">macaddr8_set7bit, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm37980">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-idm76878">magic block, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm51057">maintenance, <a class="indexterm" href="maintenance.html">Routine Database Maintenance Tasks</a></dt><dt id="ientry-idm41099">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-idm40768">maintenance_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm36013">make, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm27575">makeaclitem, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm17639">make_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17656">make_interval, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17688">make_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17705">make_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17728">make_timestamptz, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm171262">make_valid, <a class="indexterm" href="isn.html#ISN-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm37859">MANPATH, <a class="indexterm" href="install-post.html#INSTALL-POST-ENV-VARS">Environment Variables</a></dt><dt id="ientry-idm19864">masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm81871">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-idm139356">materialized views, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm25336">max, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm40086">max_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40920">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-idm45798">max_function_args configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45808">max_identifier_length configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45820">max_index_keys configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45452">max_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm42362">max_logical_replication_workers configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm42388">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-idm41143">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-idm41159">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-idm41125">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-idm45487">max_pred_locks_per_page configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm45475">max_pred_locks_per_relation configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm45464">max_pred_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm40719">max_prepared_transactions configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42033">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-idm42062">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-idm40838">max_stack_depth configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42227">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-idm42241">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-idm42374">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-idm42019">max_wal_senders configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41633">max_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm41111">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-idm12774">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-idm47163">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-idm25899">percentile</a>)</dt></dl></dd><dt id="ientry-idm89408">memory context</dt><dd><dl><dt>in SPI, <a class="indexterm" href="spi-memory.html">Memory Management</a></dt></dl></dd><dt id="ientry-idm39104">memory overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm111868">MERGE, <a class="indexterm" href="sql-merge.html">MERGE</a></dt><dt id="ientry-idm36030">Meson, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm170084">metaphone, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-METAPHONE">Metaphone</a></dt><dt id="ientry-idm25354">min, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38013">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-idm40887">min_dynamic_shared_memory configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm42732">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-idm42721">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-idm11523">min_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm41647">min_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm11535">mod, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25885">mode</dt><dd><dl><dt>statistical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm53136">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-idm112227">MOVE, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dt id="ientry-idm77748">moving-aggregate mode, <a class="indexterm" href="xaggr.html#XAGGR-MOVING-AGGREGATES">Moving-Aggregate Mode</a></dt><dt id="ientry-idm24913">multirange (function), <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm9705">multirange type, <a class="indexterm" href="rangetypes.html">Range Types</a></dt><dt id="ientry-idm34276">Multiversion Concurrency Control, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm51393">MultiXactId, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND">Multixacts and Wraparound</a></dt><dt id="ientry-idm34278">MVCC, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm28996">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-idm10455">negation, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm38676">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-idm19876">netmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm8314">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-idm23510">nextval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm38552">NFS, <a class="indexterm" href="creating-cluster.html#CREATING-CLUSTER-NFS">NFS</a></dt><dt id="ientry-idm171814">nlevel, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm35721">non-durable, <a class="indexterm" href="non-durability.html">Non-Durable Settings</a></dt><dt id="ientry-idm60451">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-idm34315">nonrepeatable read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm12354">normalize, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12238">normalized, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm176481">normal_rand, <a class="indexterm" href="tablefunc.html#TABLEFUNC-FUNCTIONS-NORMAL-RAND">normal_rand</a></dt><dt id="ientry-idm10449">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-idm26302">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-idm64179">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-idm64192">notice processor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64187">notice receiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm63520">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-idm10896">NOTNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm17759">now, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm19253">npoints, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm26244">nth_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm26162">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-idm23714">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-idm20209">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-idm10973">num_nonnulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10986">num_nulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm23690">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-idm9950">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-idm28584">obj_description, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt id="ientry-idm15897">OCCURRENCES_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm12376">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-idm9953">oid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm62670">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-idm177297">oid2name, <a class="indexterm" href="oid2name.html">oid2name</a></dt><dt id="ientry-idm171997">old_snapshot, <a class="indexterm" href="oldsnapshot.html">old_snapshot — inspect old_snapshot_threshold state</a></dt><dt id="ientry-idm41184">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-idm111395">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-idm39106">OOM, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm38644">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-idm36572">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-idm39468">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-idm32379">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-idm32381">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-idm77655">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-idm10447">OR (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm84827">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-idm78786">ordering operator, <a class="indexterm" href="xindex.html#XINDEX-OPCLASS-DEPENDENCIES">System Dependencies on Operator Classes</a></dt><dt id="ientry-idm26781">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-idm77922">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-idm39108">overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm17819">OVERLAPS, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm12401">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-idm76686">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-idm172012">pageinspect, <a class="indexterm" href="pageinspect.html">pageinspect — low-level inspection of database pages</a></dt><dt id="ientry-idm100838">pages_per_range storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm172061">page_checksum, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm172045">page_header, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-GENERAL-FUNCS">General Functions</a></dt><dt id="ientry-idm77278">palloc, <a class="indexterm" href="xfunc-c.html#XFUNC-C-CODE">Writing Code</a></dt><dt id="ientry-idm36620">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-idm35751">parallel query, <a class="indexterm" href="parallel-query.html">Parallel Query</a></dt><dt id="ientry-idm41171">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-idm42703">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-idm42712">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-idm104543">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-idm12787">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-idm38515">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-idm64742">password file, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm172397">passwordcheck, <a class="indexterm" href="passwordcheck.html">passwordcheck — verify password strength</a></dt><dt id="ientry-idm40293">password_encryption configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm19463">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-idm37840">PATH, <a class="indexterm" href="install-post.html#INSTALL-POST-ENV-VARS">Environment Variables</a></dt><dt id="ientry-idm8232">path (data type), <a class="indexterm" href="datatype-geometric.html#DATATYPE-GEOMETRIC-PATHS">Paths</a></dt><dt id="ientry-idm14489">pattern matching, <a class="indexterm" href="functions-matching.html">Pattern Matching</a></dt><dt id="ientry-idm126434">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-idm19267">pclose, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47424">peer, <a class="indexterm" href="auth-peer.html">Peer Authentication</a></dt><dt id="ientry-idm25899">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-idm26028">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-idm35142">performance, <a class="indexterm" href="performance-tips.html">Performance Tips</a></dt><dt id="ientry-idm36203">perl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm85547">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-idm77281">pfree, <a class="indexterm" href="xfunc-c.html#XFUNC-C-CODE">Writing Code</a></dt><dt id="ientry-idm64542">PGAPPNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm119117">pgbench, <a class="indexterm" href="pgbench.html">pgbench</a></dt><dt id="ientry-idm63411">PGcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm64512">PGCHANNELBINDING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64676">PGCLIENTENCODING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm60331">PGconn, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm64669">PGCONNECT_TIMEOUT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm172646">pgcrypto, <a class="indexterm" href="pgcrypto.html">pgcrypto — cryptographic functions</a></dt><dt id="ientry-idm38476">PGDATA, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt><dt id="ientry-idm64475">PGDATABASE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64702">PGDATESTYLE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64346">PGEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-PROC">Event Callback Procedure</a></dt><dt id="ientry-idm64716">PGGEQO, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64662">PGGSSDELEGATION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64641">PGGSSENCMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64655">PGGSSLIB, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64453">PGHOST, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64460">PGHOSTADDR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64648">PGKRBSRVNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64690">PGLOADBALANCEHOSTS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64735">PGLOCALEDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64535">PGOPTIONS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64498">PGPASSFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64489">PGPASSWORD, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64468">PGPORT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm173053">pgp_armor_headers, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-ARMOR-HEADERS">pgp_armor_headers</a></dt><dt id="ientry-idm173018">pgp_key_id, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-KEY-ID">pgp_key_id()</a></dt><dt id="ientry-idm173001">pgp_pub_decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-DECRYPT">pgp_pub_decrypt()</a></dt><dt id="ientry-idm173003">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-idm172988">pgp_pub_encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-PUB-ENCRYPT">pgp_pub_encrypt()</a></dt><dt id="ientry-idm172990">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-idm172973">pgp_sym_decrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-DECRYPT">pgp_sym_decrypt()</a></dt><dt id="ientry-idm172975">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-idm172961">pgp_sym_encrypt, <a class="indexterm" href="pgcrypto.html#PGCRYPTO-PGP-ENC-FUNCS-PGP-SYM-ENCRYPT">pgp_sym_encrypt()</a></dt><dt id="ientry-idm172963">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-idm64505">PGREQUIREAUTH, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64620">PGREQUIREPEER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64556">PGREQUIRESSL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm62104">PGresult, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm173395">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-idm64519">PGSERVICE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64526">PGSERVICEFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64571">PGSSLCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64585">PGSSLCERTMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64564">PGSSLCOMPRESSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64599">PGSSLCRL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64606">PGSSLCRLDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64578">PGSSLKEY, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64634">PGSSLMAXPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64627">PGSSLMINPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64549">PGSSLMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64592">PGSSLROOTCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64613">PGSSLSNI, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm174210">pgstatginindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm174246">pgstathashindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm174120">pgstatindex, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm174013">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-idm174326">pgstattuple_approx, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm64728">PGSYSCONFDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64683">PGTARGETSESSIONATTRS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64709">PGTZ, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm64482">PGUSER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm79305">pgxs, <a class="indexterm" href="extend-pgxs.html">Extension Building Infrastructure</a></dt><dt id="ientry-idm30856">pg_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30873">pg_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30890">pg_advisory_unlock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30909">pg_advisory_unlock_all, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30917">pg_advisory_unlock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30936">pg_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30953">pg_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm131867">pg_aggregate, <a class="indexterm" href="catalog-pg-aggregate.html">pg_aggregate</a></dt><dt id="ientry-idm132081">pg_am, <a class="indexterm" href="catalog-pg-am.html">pg_am</a></dt><dt id="ientry-idm118116">pg_amcheck, <a class="indexterm" href="app-pgamcheck.html">pg_amcheck</a></dt><dt id="ientry-idm132135">pg_amop, <a class="indexterm" href="catalog-pg-amop.html">pg_amop</a></dt><dt id="ientry-idm132256">pg_amproc, <a class="indexterm" href="catalog-pg-amproc.html">pg_amproc</a></dt><dt id="ientry-idm128529">pg_archivecleanup, <a class="indexterm" href="pgarchivecleanup.html">pg_archivecleanup</a></dt><dt id="ientry-idm132328">pg_attrdef, <a class="indexterm" href="catalog-pg-attrdef.html">pg_attrdef</a></dt><dt id="ientry-idm132379">pg_attribute, <a class="indexterm" href="catalog-pg-attribute.html">pg_attribute</a></dt><dt id="ientry-idm132607">pg_authid, <a class="indexterm" href="catalog-pg-authid.html">pg_authid</a></dt><dt id="ientry-idm132730">pg_auth_members, <a class="indexterm" href="catalog-pg-auth-members.html">pg_auth_members</a></dt><dt id="ientry-idm138481">pg_available_extensions, <a class="indexterm" href="view-pg-available-extensions.html">pg_available_extensions</a></dt><dt id="ientry-idm138528">pg_available_extension_versions, <a class="indexterm" href="view-pg-available-extension-versions.html">pg_available_extension_versions</a></dt><dt id="ientry-idm138606">pg_backend_memory_contexts, <a class="indexterm" href="view-pg-backend-memory-contexts.html">pg_backend_memory_contexts</a></dt><dt id="ientry-idm26920">pg_backend_pid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29501">pg_backup_start, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29517">pg_backup_stop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm118536">pg_basebackup, <a class="indexterm" href="app-pgbasebackup.html">pg_basebackup</a></dt><dt id="ientry-idm26928">pg_blocking_pids, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm172424">pg_buffercache, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm172428">pg_buffercache_pages, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm172430">pg_buffercache_summary, <a class="indexterm" href="pgbuffercache.html">pg_buffercache — inspect PostgreSQL
    buffer cache state</a></dt><dt id="ientry-idm29358">pg_cancel_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm132806">pg_cast, <a class="indexterm" href="catalog-pg-cast.html">pg_cast</a></dt><dt id="ientry-idm27777">pg_char_to_encoding, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm128648">pg_checksums, <a class="indexterm" href="app-pgchecksums.html">pg_checksums</a></dt><dt id="ientry-idm132894">pg_class, <a class="indexterm" href="catalog-pg-class.html">pg_class</a></dt><dt id="ientry-idm12807">pg_client_encoding, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm133218">pg_collation, <a class="indexterm" href="catalog-pg-collation.html">pg_collation</a></dt><dt id="ientry-idm30437">pg_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27614">pg_collation_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm179824">PG_COLOR, <a class="indexterm" href="color-when.html">When Color is Used</a></dt><dt id="ientry-idm179839">PG_COLORS, <a class="indexterm" href="color-which.html">Configuring the Colors</a></dt><dt id="ientry-idm30237">pg_column_compression, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30228">pg_column_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm65193">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-idm26940">pg_conf_load_time, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm133334">pg_constraint, <a class="indexterm" href="catalog-pg-constraint.html">pg_constraint</a></dt><dt id="ientry-idm128789">pg_controldata, <a class="indexterm" href="app-pgcontroldata.html">pg_controldata</a></dt><dt id="ientry-idm29005">pg_control_checkpoint, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm29023">pg_control_init, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm29032">pg_control_recovery, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm29014">pg_control_system, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CONTROLDATA">Control Data Functions</a></dt><dt id="ientry-idm133584">pg_conversion, <a class="indexterm" href="catalog-pg-conversion.html">pg_conversion</a></dt><dt id="ientry-idm27624">pg_conversion_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm29923">pg_copy_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29899">pg_copy_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29873">pg_create_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29835">pg_create_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29465">pg_create_restore_point, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm38482">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-idm26948">pg_current_logfile, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm28738">pg_current_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm29477">pg_current_wal_flush_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29485">pg_current_wal_insert_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29493">pg_current_wal_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28702">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-idm28712">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-idm138717">pg_cursors, <a class="indexterm" href="view-pg-cursors.html">pg_cursors</a></dt><dt id="ientry-idm48306">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-idm30449">pg_database_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30247">pg_database_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm133813">pg_db_role_setting, <a class="indexterm" href="catalog-pg-db-role-setting.html">pg_db_role_setting</a></dt><dt id="ientry-idm10241">pg_ddl_command, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm133857">pg_default_acl, <a class="indexterm" href="catalog-pg-default-acl.html">pg_default_acl</a></dt><dt id="ientry-idm133926">pg_depend, <a class="indexterm" href="catalog-pg-depend.html">pg_depend</a></dt><dt id="ientry-idm28457">pg_describe_object, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm134079">pg_description, <a class="indexterm" href="catalog-pg-description.html">pg_description</a></dt><dt id="ientry-idm29861">pg_drop_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm121148">pg_dump, <a class="indexterm" href="app-pgdump.html">pg_dump</a></dt><dt id="ientry-idm39313">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-idm27788">pg_encoding_to_char, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm134133">pg_enum, <a class="indexterm" href="catalog-pg-enum.html">pg_enum</a></dt><dt id="ientry-idm134186">pg_event_trigger, <a class="indexterm" href="catalog-pg-event-trigger.html">pg_event_trigger</a></dt><dt id="ientry-idm31112">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-idm31187">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-idm31301">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-idm31309">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-idm29790">pg_export_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm134260">pg_extension, <a class="indexterm" href="catalog-pg-extension.html">pg_extension</a></dt><dt id="ientry-idm79138">pg_extension_config_dump, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-CONFIG-TABLES">Extension Configuration Tables</a></dt><dt id="ientry-idm30412">pg_filenode_relation, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm167414">pg_file_rename, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm138796">pg_file_settings, <a class="indexterm" href="view-pg-file-settings.html">pg_file_settings</a></dt><dt id="ientry-idm167408">pg_file_sync, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm167428">pg_file_unlink, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm167400">pg_file_write, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm134344">pg_foreign_data_wrapper, <a class="indexterm" href="catalog-pg-foreign-data-wrapper.html">pg_foreign_data_wrapper</a></dt><dt id="ientry-idm134414">pg_foreign_server, <a class="indexterm" href="catalog-pg-foreign-server.html">pg_foreign_server</a></dt><dt id="ientry-idm134487">pg_foreign_table, <a class="indexterm" href="catalog-pg-foreign-table.html">pg_foreign_table</a></dt><dt id="ientry-idm173303">pg_freespace, <a class="indexterm" href="pgfreespacemap.html#PGFREESPACEMAP-FUNCS">Functions</a></dt><dt id="ientry-idm173287">pg_freespacemap, <a class="indexterm" href="pgfreespacemap.html">pg_freespacemap — examine the free space map</a></dt><dt id="ientry-idm27634">pg_function_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm27798">pg_get_catalog_foreign_keys, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27825">pg_get_constraintdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27838">pg_get_expr, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27853">pg_get_functiondef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27865">pg_get_function_arguments, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27876">pg_get_function_identity_arguments, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27887">pg_get_function_result, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27900">pg_get_indexdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27916">pg_get_keywords, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28526">pg_get_object_address, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm27948">pg_get_partkeydef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27960">pg_get_ruledef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27973">pg_get_serial_sequence, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27993">pg_get_statisticsobjdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28003">pg_get_triggerdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28016">pg_get_userbyid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28026">pg_get_viewdef, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm29706">pg_get_wal_replay_pause_state, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29672">pg_get_wal_resource_managers, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm138872">pg_group, <a class="indexterm" href="view-pg-group.html">pg_group</a></dt><dt id="ientry-idm27412">pg_has_role, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm46558">pg_hba.conf, <a class="indexterm" href="auth-pg-hba-conf.html">The pg_hba.conf File</a></dt><dt id="ientry-idm138918">pg_hba_file_rules, <a class="indexterm" href="view-pg-hba-file-rules.html">pg_hba_file_rules</a></dt><dt id="ientry-idm46998">pg_ident.conf, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm28473">pg_identify_object, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-OBJECT">Object Information and Addressing Functions</a></dt><dt id="ientry-idm28502">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-idm139017">pg_ident_file_mappings, <a class="indexterm" href="view-pg-ident-file-mappings.html">pg_ident_file_mappings</a></dt><dt id="ientry-idm30461">pg_import_system_collations, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm134534">pg_index, <a class="indexterm" href="catalog-pg-index.html">pg_index</a></dt><dt id="ientry-idm28093">pg_indexam_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm139090">pg_indexes, <a class="indexterm" href="view-pg-indexes.html">pg_indexes</a></dt><dt id="ientry-idm30262">pg_indexes_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm28063">pg_index_column_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28079">pg_index_has_property, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm134728">pg_inherits, <a class="indexterm" href="catalog-pg-inherits.html">pg_inherits</a></dt><dt id="ientry-idm134778">pg_init_privs, <a class="indexterm" href="catalog-pg-init-privs.html">pg_init_privs</a></dt><dt id="ientry-idm28657">pg_input_error_info, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-VALIDITY">Data Validity Checking Functions</a></dt><dt id="ientry-idm28633">pg_input_is_valid, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-VALIDITY">Data Validity Checking Functions</a></dt><dt id="ientry-idm122585">pg_isready, <a class="indexterm" href="app-pg-isready.html">pg_isready</a></dt><dt id="ientry-idm29636">pg_is_in_recovery, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26988">pg_is_other_temp_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29698">pg_is_wal_replay_paused, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26997">pg_jit_available, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm134849">pg_language, <a class="indexterm" href="catalog-pg-language.html">pg_language</a></dt><dt id="ientry-idm134939">pg_largeobject, <a class="indexterm" href="catalog-pg-largeobject.html">pg_largeobject</a></dt><dt id="ientry-idm134992">pg_largeobject_metadata, <a class="indexterm" href="catalog-pg-largeobject-metadata.html">pg_largeobject_metadata</a></dt><dt id="ientry-idm28958">pg_last_committed_xact, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMIT-TIMESTAMP">Committed Transaction Information Functions</a></dt><dt id="ientry-idm29644">pg_last_wal_receive_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29653">pg_last_wal_replay_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29662">pg_last_xact_replay_timestamp, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm27009">pg_listening_channels, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm139150">pg_locks, <a class="indexterm" href="view-pg-locks.html">pg_locks</a></dt><dt id="ientry-idm167433">pg_logdir_ls, <a class="indexterm" href="adminpack.html">adminpack — pgAdmin support toolpack</a></dt><dt id="ientry-idm30187">pg_logical_emit_message, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30002">pg_logical_slot_get_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29950">pg_logical_slot_get_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30027">pg_logical_slot_peek_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29978">pg_logical_slot_peek_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29369">pg_log_backend_memory_contexts, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm29803">pg_log_standby_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm10190">pg_lsn, <a class="indexterm" href="datatype-pg-lsn.html">pg_lsn Type</a></dt><dt id="ientry-idm30726">pg_ls_archive_statusdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30619">pg_ls_dir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30640">pg_ls_logdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30672">pg_ls_logicalmapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30689">pg_ls_logicalsnapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30706">pg_ls_replslotdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30743">pg_ls_tmpdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30656">pg_ls_waldir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm139354">pg_matviews, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm31326">pg_mcv_list_items, <a class="indexterm" href="functions-statistics.html#FUNCTIONS-STATISTICS-MCV">Inspecting MCV Lists</a></dt><dt id="ientry-idm26980">pg_my_temp_schema, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm135033">pg_namespace, <a class="indexterm" href="catalog-pg-namespace.html">pg_namespace</a></dt><dt id="ientry-idm27017">pg_notification_queue_usage, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm112356">pg_notify, <a class="indexterm" href="sql-notify.html#id-1.9.3.158.7.5">pg_notify</a></dt><dt id="ientry-idm135078">pg_opclass, <a class="indexterm" href="catalog-pg-opclass.html">pg_opclass</a></dt><dt id="ientry-idm27644">pg_opclass_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm135178">pg_operator, <a class="indexterm" href="catalog-pg-operator.html">pg_operator</a></dt><dt id="ientry-idm27654">pg_operator_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm135323">pg_opfamily, <a class="indexterm" href="catalog-pg-opfamily.html">pg_opfamily</a></dt><dt id="ientry-idm27664">pg_opfamily_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm28107">pg_options_to_table, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm135390">pg_parameter_acl, <a class="indexterm" href="catalog-pg-parameter-acl.html">pg_parameter_acl</a></dt><dt id="ientry-idm135429">pg_partitioned_table, <a class="indexterm" href="catalog-pg-partitioned-table.html">pg_partitioned_table</a></dt><dt id="ientry-idm30505">pg_partition_ancestors, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30514">pg_partition_root, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30488">pg_partition_tree, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm139428">pg_policies, <a class="indexterm" href="view-pg-policies.html">pg_policies</a></dt><dt id="ientry-idm135522">pg_policy, <a class="indexterm" href="catalog-pg-policy.html">pg_policy</a></dt><dt id="ientry-idm27027">pg_postmaster_start_time, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm139502">pg_prepared_statements, <a class="indexterm" href="view-pg-prepared-statements.html">pg_prepared_statements</a></dt><dt id="ientry-idm139584">pg_prepared_xacts, <a class="indexterm" href="view-pg-prepared-xacts.html">pg_prepared_xacts</a></dt><dt id="ientry-idm173331">pg_prewarm, <a class="indexterm" href="pgprewarm.html">pg_prewarm — preload relation data into buffer caches</a></dt><dt id="ientry-idm173370">pg_prewarm.autoprewarm configuration parameter, <a class="indexterm" href="pgprewarm.html#PGPREWARM-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173380">pg_prewarm.autoprewarm_interval configuration parameter, <a class="indexterm" href="pgprewarm.html#PGPREWARM-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm135610">pg_proc, <a class="indexterm" href="catalog-pg-proc.html">pg_proc</a></dt><dt id="ientry-idm29717">pg_promote, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm135899">pg_publication, <a class="indexterm" href="catalog-pg-publication.html">pg_publication</a></dt><dt id="ientry-idm135978">pg_publication_namespace, <a class="indexterm" href="catalog-pg-publication-namespace.html">pg_publication_namespace</a></dt><dt id="ientry-idm136019">pg_publication_rel, <a class="indexterm" href="catalog-pg-publication-rel.html">pg_publication_rel</a></dt><dt id="ientry-idm139642">pg_publication_tables, <a class="indexterm" href="view-pg-publication-tables.html">pg_publication_tables</a></dt><dt id="ientry-idm136078">pg_range, <a class="indexterm" href="catalog-pg-range.html">pg_range</a></dt><dt id="ientry-idm30789">pg_read_binary_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30765">pg_read_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm122735">pg_receivewal, <a class="indexterm" href="app-pgreceivewal.html">pg_receivewal</a></dt><dt id="ientry-idm179958">pg_receivexlog, <a class="indexterm" href="app-pgreceivexlog.html">pg_receivexlog renamed to pg_receivewal</a> (see <a href="#ientry-idm122735">pg_receivewal</a>)</dt><dt id="ientry-idm123058">pg_recvlogical, <a class="indexterm" href="app-pgrecvlogical.html">pg_recvlogical</a></dt><dt id="ientry-idm30386">pg_relation_filenode, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30401">pg_relation_filepath, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30271">pg_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29382">pg_reload_conf, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm174312">pg_relpages, <a class="indexterm" href="pgstattuple.html#PGSTATTUPLE-FUNCS">Functions</a></dt><dt id="ientry-idm136166">pg_replication_origin, <a class="indexterm" href="catalog-pg-replication-origin.html">pg_replication_origin</a></dt><dt id="ientry-idm30162">pg_replication_origin_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30069">pg_replication_origin_create, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30079">pg_replication_origin_drop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30089">pg_replication_origin_oid, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30174">pg_replication_origin_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30120">pg_replication_origin_session_is_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30128">pg_replication_origin_session_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30111">pg_replication_origin_session_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30100">pg_replication_origin_session_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm139707">pg_replication_origin_status, <a class="indexterm" href="view-pg-replication-origin-status.html">pg_replication_origin_status</a></dt><dt id="ientry-idm30153">pg_replication_origin_xact_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm30139">pg_replication_origin_xact_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm139756">pg_replication_slots, <a class="indexterm" href="view-pg-replication-slots.html">pg_replication_slots</a></dt><dt id="ientry-idm30052">pg_replication_slot_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm129391">pg_resetwal, <a class="indexterm" href="app-pgresetwal.html">pg_resetwal</a></dt><dt id="ientry-idm179943">pg_resetxlog, <a class="indexterm" href="app-pgresetxlog.html">pg_resetxlog renamed to pg_resetwal</a> (see <a href="#ientry-idm129391">pg_resetwal</a>)</dt><dt id="ientry-idm123366">pg_restore, <a class="indexterm" href="app-pgrestore.html">pg_restore</a></dt><dt id="ientry-idm129631">pg_rewind, <a class="indexterm" href="app-pgrewind.html">pg_rewind</a></dt><dt id="ientry-idm136199">pg_rewrite, <a class="indexterm" href="catalog-pg-rewrite.html">pg_rewrite</a></dt><dt id="ientry-idm139912">pg_roles, <a class="indexterm" href="view-pg-roles.html">pg_roles</a></dt><dt id="ientry-idm29399">pg_rotate_logfile, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm140014">pg_rules, <a class="indexterm" href="view-pg-rules.html">pg_rules</a></dt><dt id="ientry-idm27035">pg_safe_snapshot_blocking_pids, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm136285">pg_seclabel, <a class="indexterm" href="catalog-pg-seclabel.html">pg_seclabel</a></dt><dt id="ientry-idm140071">pg_seclabels, <a class="indexterm" href="view-pg-seclabels.html">pg_seclabels</a></dt><dt id="ientry-idm136343">pg_sequence, <a class="indexterm" href="catalog-pg-sequence.html">pg_sequence</a></dt><dt id="ientry-idm140152">pg_sequences, <a class="indexterm" href="view-pg-sequences.html">pg_sequences</a></dt><dt id="ientry-idm64777">pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm140249">pg_settings, <a class="indexterm" href="view-pg-settings.html">pg_settings</a></dt><dt id="ientry-idm28125">pg_settings_get_flags, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm140470">pg_shadow, <a class="indexterm" href="view-pg-shadow.html">pg_shadow</a></dt><dt id="ientry-idm136418">pg_shdepend, <a class="indexterm" href="catalog-pg-shdepend.html">pg_shdepend</a></dt><dt id="ientry-idm136530">pg_shdescription, <a class="indexterm" href="catalog-pg-shdescription.html">pg_shdescription</a></dt><dt id="ientry-idm140558">pg_shmem_allocations, <a class="indexterm" href="view-pg-shmem-allocations.html">pg_shmem_allocations</a></dt><dt id="ientry-idm136578">pg_shseclabel, <a class="indexterm" href="catalog-pg-shseclabel.html">pg_shseclabel</a></dt><dt id="ientry-idm30302">pg_size_bytes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm30319">pg_size_pretty, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm18463">pg_sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18465">pg_sleep_for, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18467">pg_sleep_until, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm28748">pg_snapshot_xip, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28757">pg_snapshot_xmax, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28767">pg_snapshot_xmin, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm29579">pg_split_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm53551">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-idm53573">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-idm53529">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-idm53559">pg_statio_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53581">pg_statio_sys_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53537">pg_statio_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53566">pg_statio_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53588">pg_statio_user_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53544">pg_statio_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm35395">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-idm27674">pg_statistics_obj_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm35442">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-idm35444">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-idm35407">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-idm140741">pg_stats_ext, <a class="indexterm" href="view-pg-stats-ext.html">pg_stats_ext</a></dt><dt id="ientry-idm140889">pg_stats_ext_exprs, <a class="indexterm" href="view-pg-stats-ext-exprs.html">pg_stats_ext_exprs</a></dt><dt id="ientry-idm53260">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-idm53490">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-idm53445">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-idm53373">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-idm53381">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-idm57064">pg_stat_clear_snapshot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53389">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-idm53397">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-idm30814">pg_stat_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm57022">pg_stat_get_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57183">pg_stat_get_backend_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57192">pg_stat_get_backend_activity_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57201">pg_stat_get_backend_client_addr, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57210">pg_stat_get_backend_client_port, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57219">pg_stat_get_backend_dbid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57228">pg_stat_get_backend_idset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57236">pg_stat_get_backend_pid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57245">pg_stat_get_backend_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57254">pg_stat_get_backend_subxact, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57265">pg_stat_get_backend_userid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57274">pg_stat_get_backend_wait_event, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57285">pg_stat_get_backend_wait_event_type, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57295">pg_stat_get_backend_xact_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57033">pg_stat_get_snapshot_timestamp, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57043">pg_stat_get_xact_blocks_fetched, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57054">pg_stat_get_xact_blocks_hit, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53308">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-idm53405">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-idm53316">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-idm53350">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-idm53341">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-idm53357">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-idm53324">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-idm53333">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-idm53284">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-idm53268">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-idm53413">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-idm57072">pg_stat_reset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57140">pg_stat_reset_replication_slot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57081">pg_stat_reset_shared, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57111">pg_stat_reset_single_function_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57101">pg_stat_reset_single_table_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57121">pg_stat_reset_slru, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm57151">pg_stat_reset_subscription_stats, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm53421">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-idm53300">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-idm173484">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-idm173933">pg_stat_statements.max configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173987">pg_stat_statements.save configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173945">pg_stat_statements.track configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173975">pg_stat_statements.track_planning configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173959">pg_stat_statements.track_utility configuration parameter, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-CONFIG-PARAMS">Configuration Parameters</a></dt><dt id="ientry-idm173859">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-idm173896">pg_stat_statements_reset, <a class="indexterm" href="pgstatstatements.html#PGSTATSTATEMENTS-FUNCS">Functions</a></dt><dt id="ientry-idm53292">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-idm53429">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-idm53498">pg_stat_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53453">pg_stat_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53512">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-idm53505">pg_stat_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53460">pg_stat_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53437">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-idm53276">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-idm53467">pg_stat_xact_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53476">pg_stat_xact_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53520">pg_stat_xact_user_functions, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm53483">pg_stat_xact_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm136965">pg_subscription, <a class="indexterm" href="catalog-pg-subscription.html">pg_subscription</a></dt><dt id="ientry-idm137111">pg_subscription_rel, <a class="indexterm" href="catalog-pg-subscription-rel.html">pg_subscription_rel</a></dt><dt id="ientry-idm174417">pg_surgery, <a class="indexterm" href="pgsurgery.html">pg_surgery — perform low-level surgery on relation data</a></dt><dt id="ientry-idm29545">pg_switch_wal, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm141048">pg_tables, <a class="indexterm" href="view-pg-tables.html">pg_tables</a></dt><dt id="ientry-idm137170">pg_tablespace, <a class="indexterm" href="catalog-pg-tablespace.html">pg_tablespace</a></dt><dt id="ientry-idm28137">pg_tablespace_databases, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28149">pg_tablespace_location, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm30342">pg_tablespace_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27684">pg_table_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm30333">pg_table_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm44591">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-idm29407">pg_terminate_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm129864">pg_test_fsync, <a class="indexterm" href="pgtestfsync.html">pg_test_fsync</a></dt><dt id="ientry-idm129942">pg_test_timing, <a class="indexterm" href="pgtesttiming.html">pg_test_timing</a></dt><dt id="ientry-idm141137">pg_timezone_abbrevs, <a class="indexterm" href="view-pg-timezone-abbrevs.html">pg_timezone_abbrevs</a></dt><dt id="ientry-idm141175">pg_timezone_names, <a class="indexterm" href="view-pg-timezone-names.html">pg_timezone_names</a></dt><dt id="ientry-idm30357">pg_total_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm137225">pg_transform, <a class="indexterm" href="catalog-pg-transform.html">pg_transform</a></dt><dt id="ientry-idm174448">pg_trgm, <a class="indexterm" href="pgtrgm.html">pg_trgm —
   support for similarity of text using trigram matching</a></dt><dt id="ientry-idm174699">pg_trgm.similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm174720">pg_trgm.strict_word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm174709">pg_trgm.word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#PGTRGM-GUC">GUC Parameters</a></dt><dt id="ientry-idm137285">pg_trigger, <a class="indexterm" href="catalog-pg-trigger.html">pg_trigger</a></dt><dt id="ientry-idm27049">pg_trigger_depth, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm30970">pg_try_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30989">pg_try_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm31008">pg_try_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm31027">pg_try_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm137472">pg_ts_config, <a class="indexterm" href="catalog-pg-ts-config.html">pg_ts_config</a></dt><dt id="ientry-idm27694">pg_ts_config_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137534">pg_ts_config_map, <a class="indexterm" href="catalog-pg-ts-config-map.html">pg_ts_config_map</a></dt><dt id="ientry-idm137587">pg_ts_dict, <a class="indexterm" href="catalog-pg-ts-dict.html">pg_ts_dict</a></dt><dt id="ientry-idm27704">pg_ts_dict_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137653">pg_ts_parser, <a class="indexterm" href="catalog-pg-ts-parser.html">pg_ts_parser</a></dt><dt id="ientry-idm27714">pg_ts_parser_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137739">pg_ts_template, <a class="indexterm" href="catalog-pg-ts-template.html">pg_ts_template</a></dt><dt id="ientry-idm27724">pg_ts_template_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm137798">pg_type, <a class="indexterm" href="catalog-pg-type.html">pg_type</a></dt><dt id="ientry-idm28159">pg_typeof, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm27734">pg_type_is_visible, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SCHEMA">Schema Visibility Inquiry Functions</a></dt><dt id="ientry-idm130033">pg_upgrade, <a class="indexterm" href="pgupgrade.html">pg_upgrade</a></dt><dt id="ientry-idm141221">pg_user, <a class="indexterm" href="view-pg-user.html">pg_user</a></dt><dt id="ientry-idm138239">pg_user_mapping, <a class="indexterm" href="catalog-pg-user-mapping.html">pg_user_mapping</a></dt><dt id="ientry-idm141296">pg_user_mappings, <a class="indexterm" href="view-pg-user-mappings.html">pg_user_mappings</a></dt><dt id="ientry-idm123998">pg_verifybackup, <a class="indexterm" href="app-pgverifybackup.html">pg_verifybackup</a></dt><dt id="ientry-idm141375">pg_views, <a class="indexterm" href="view-pg-views.html">pg_views</a></dt><dt id="ientry-idm174814">pg_visibility, <a class="indexterm" href="pgvisibility.html">pg_visibility — visibility map information and utilities</a></dt><dt id="ientry-idm28777">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-idm130533">pg_waldump, <a class="indexterm" href="pgwaldump.html">pg_waldump</a></dt><dt id="ientry-idm29555">pg_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29565">pg_walfile_name_offset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm174878">pg_walinspect, <a class="indexterm" href="pgwalinspect.html">pg_walinspect — low-level WAL inspection</a></dt><dt id="ientry-idm29593">pg_wal_lsn_diff, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29743">pg_wal_replay_pause, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29754">pg_wal_replay_resume, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28936">pg_xact_commit_timestamp, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMIT-TIMESTAMP">Committed Transaction Information Functions</a></dt><dt id="ientry-idm28945">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-idm28721">pg_xact_status, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm179928">pg_xlogdump, <a class="indexterm" href="pgxlogdump.html">pg_xlogdump renamed to pg_waldump</a> (see <a href="#ientry-idm130533">pg_waldump</a>)</dt><dt id="ientry-idm34321">phantom read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm20239">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-idm11557">pi, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm77320">PIC, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt id="ientry-idm61756">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-idm63135">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-idm51834">PITR, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm52462">PITR standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm36089">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-idm85545">PL/Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm86003">PL/PerlU, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt><dt id="ientry-idm82399">PL/pgSQL, <a class="indexterm" href="plpgsql.html">PL/pgSQL — SQL Procedural Language</a></dt><dt id="ientry-idm86240">PL/Python, <a class="indexterm" href="plpython.html">PL/Python — Python Procedural Language</a></dt><dt id="ientry-idm84830">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-idm85043">PL/Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm20222">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-idm42976">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-idm86166">plperl.on_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86197">plperl.on_plperlu_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86191">plperl.on_plperl_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm86213">plperl.use_strict configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm84299">plpgsql.check_asserts configuration parameter, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt><dt id="ientry-idm84604">plpgsql.variable_conflict configuration parameter, <a class="indexterm" href="plpgsql-implementation.html#PLPGSQL-VAR-SUBST">Variable Substitution</a></dt><dt id="ientry-idm85516">pltcl.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm85530">pltclu.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm8119">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-idm51832">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-idm8265">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-idm76040">polymorphic function, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm76038">polymorphic type, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm13824">popcount (see <a href="#ientry-idm13822">bit_count</a>)</dt><dt id="ientry-idm19279">popen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm170629">populate_record, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm60921">port, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm40077">port configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm83902">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-idm12430">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-idm15899">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-idm38426">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-idm39836">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-idm39820">postgresql.conf, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a></dt><dt id="ientry-idm174998">postgres_fdw, <a class="indexterm" href="postgres-fdw.html">postgres_fdw —
   access data stored in external PostgreSQL
   servers</a></dt><dt id="ientry-idm175509">postgres_fdw.application_name configuration parameter, <a class="indexterm" href="postgres-fdw.html#POSTGRES-FDW-CONFIGURATION-PARAMETERS">Configuration Parameters</a></dt><dt id="ientry-idm46049">post_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm11569">power, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm61751">PQbackendPID, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62529">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-idm63435">PQcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm62392">PQclear, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm63852">PQclientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm62625">PQcmdStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm62637">PQcmdTuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm60569">PQconndefaults, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60394">PQconnectdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60354">PQconnectdbParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61769">PQconnectionNeedsPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61787">PQconnectionUsedGSSAPI, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61778">PQconnectionUsedPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60447">PQconnectPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60443">PQconnectStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60439">PQconnectStartParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60585">PQconninfo, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63982">PQconninfoFree, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60599">PQconninfoParse, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63035">PQconsumeInput, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm64082">PQcopyResult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61502">PQdb, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62083">PQdescribePortal, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62061">PQdescribePrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm64026">PQencryptPassword, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63995">PQencryptPasswordConn, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63816">PQendcopy, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63289">PQenterPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm61725">PQerrorMessage, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62840">PQescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62811">PQescapeByteaConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62731">PQescapeIdentifier, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62700">PQescapeLiteral, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62790">PQescapeString, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm62756">PQescapeStringConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm61907">PQexec, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61928">PQexecParams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62047">PQexecPrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm63299">PQexitPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm62486">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-idm60631">PQfinish, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm64062">PQfireResultCreateEvents, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63117">PQflush, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62509">PQfmod, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63477">PQfn, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm62432">PQfname, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62444">PQfnumber, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63423">PQfreeCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm63965">PQfreemem, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62519">PQfsize, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62462">PQftable, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62477">PQftablecol, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62495">PQftype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63403">PQgetCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm63698">PQgetCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-RECEIVE">Functions for Receiving COPY Data</a></dt><dt id="ientry-idm62564">PQgetisnull, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62577">PQgetlength, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm63739">PQgetline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63757">PQgetlineAsync, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm62990">PQgetResult, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61883">PQgetssl, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60750">PQgetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm62543">PQgetvalue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61531">PQhost, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61555">PQhostaddr, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm65091">PQinitOpenSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm65110">PQinitSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm64402">PQinstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63055">PQisBusy, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm63108">PQisnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm65141">PQisthreadsafe, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt><dt id="ientry-idm64159">PQlibVersion, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm61711">PQserverVersion</a>)</dt></dl></dd><dt id="ientry-idm64039">PQmakeEmptyPGresult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62424">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-idm63538">PQnotifies, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a></dt><dt id="ientry-idm62590">PQnparams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62413">PQntuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm62684">PQoidStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm62666">PQoidValue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm61598">PQoptions, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61643">PQparameterStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62600">PQparamtype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61518">PQpass, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60707">PQping, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60676">PQpingParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63256">PQpipelineStatus, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm63310">PQpipelineSync, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm61569">PQport, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62009">PQprepare, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62610">PQprint, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61702">PQprotocolVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63647">PQputCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm63665">PQputCopyEnd, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm63784">PQputline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm63805">PQputnbytes, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm64369">PQregisterEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63455">PQrequestCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm60646">PQreset, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60659">PQresetPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60655">PQresetStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm62207">PQresStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm64133">PQresultAlloc, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm62253">PQresultErrorField, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62216">PQresultErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm64430">PQresultInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm64146">PQresultMemorySize, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm64414">PQresultSetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm62114">PQresultStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62235">PQresultVerboseErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm62979">PQsendDescribePortal, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62968">PQsendDescribePrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm63322">PQsendFlushRequest, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm62947">PQsendPrepare, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62922">PQsendQuery, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62936">PQsendQueryParams, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62958">PQsendQueryPrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61711">PQserverVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63864">PQsetClientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm60427">PQsetdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60407">PQsetdbLogin, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63897">PQsetErrorContextVisibility, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm63877">PQsetErrorVerbosity, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm64388">PQsetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm63089">PQsetnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm64194">PQsetNoticeProcessor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64189">PQsetNoticeReceiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm64101">PQsetResultAttrs, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm63378">PQsetSingleRowMode, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt><dt id="ientry-idm60719">PQsetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm63937">PQsetTraceFlags, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm64116">PQsetvalue, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61743">PQsocket, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61806">PQsslAttribute, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61854">PQsslAttributeNames, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61798">PQsslInUse, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61867">PQsslStruct, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61609">PQstatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm63921">PQtrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61629">PQtransactionStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61587">PQtty, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62859">PQunescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm63952">PQuntrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61510">PQuser, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm34505">predicate locking, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm112381">PREPARE, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dt id="ientry-idm112496">PREPARE TRANSACTION, <a class="indexterm" href="sql-prepare-transaction.html">PREPARE TRANSACTION</a></dt><dt id="ientry-idm106975">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-idm84651">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-idm46058">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-idm42184">primary_conninfo configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm42204">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-idm82289">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-idm76244">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-idm76473">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-idm141425">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-idm53157">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-idm86242">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-idm35151">query plan, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a></dt><dt id="ientry-idm81557">query tree, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm20277">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-idm45581">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-idm12818">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-idm12832">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-idm12858">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-idm11593">radians, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19291">radius, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm47609">RADIUS, <a class="indexterm" href="auth-radius.html">RADIUS Authentication</a></dt><dt id="ientry-idm84155">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-idm11799">random, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11810">random_normal, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm42657">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-idm81583">range table, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm9703">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-idm25372">range_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25388">range_intersect_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24790">range_merge, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm26000">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-idm34387">read committed, <a class="indexterm" href="transaction-iso.html#XACT-READ-COMMITTED">Read Committed Isolation Level</a></dt><dt id="ientry-idm44740">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-idm36052">readline, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm127055">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-idm142206">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-idm112583">REASSIGN OWNED, <a class="indexterm" href="sql-reassign-owned.html">REASSIGN OWNED</a></dt><dt id="ientry-idm10209">record, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm179888">recovery.conf, <a class="indexterm" href="recovery-config.html">recovery.conf file merged into postgresql.conf</a></dt><dt id="ientry-idm41793">recovery.signal, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm41849">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-idm45699">recovery_init_sync_method configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm42319">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-idm41752">recovery_prefetch configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm41873">recovery_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm41966">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-idm41933">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-idm41919">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-idm41884">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-idm41894">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-idm41948">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-idm41909">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-idm8205">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-idm42990">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-idm112648">REFRESH MATERIALIZED VIEW, <a class="indexterm" href="sql-refreshmaterializedview.html">REFRESH MATERIALIZED VIEW</a></dt><dt id="ientry-idm9955">regclass, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9957">regcollation, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9959">regconfig, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9961">regdictionary, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm12884">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-idm12906">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-idm12938">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-idm12958">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-idm12978">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-idm13000">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-idm13049">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-idm13068">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-idm13088">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-idm9963">regnamespace, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9965">regoper, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9967">regoperator, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9969">regproc, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9971">regprocedure, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25657">regression intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25687">regression slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm36288">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-idm59903">regression tests, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm9973">regrole, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25612">regr_avgx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25628">regr_avgy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25644">regr_count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25659">regr_intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25674">regr_r2, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25689">regr_slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25704">regr_sxx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25722">regr_sxy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25742">regr_syy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm9975">regtype, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm14592">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-idm14489">pattern matching</a>)</dt></dl></dd><dt id="ientry-idm48552">regular expressions</dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#LOCALE-BEHAVIOR">Behavior</a></dt></dl></dd><dt id="ientry-idm51507">reindex, <a class="indexterm" href="routine-reindex.html">Routine Reindexing</a></dt><dt id="ientry-idm112716">REINDEX, <a class="indexterm" href="sql-reindex.html">REINDEX</a></dt><dt id="ientry-idm127328">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-idm112978">RELEASE SAVEPOINT, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a></dt><dt id="ientry-idm46336">remove_temp_files_after_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm13119">repeat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm34468">repeatable read, <a class="indexterm" href="transaction-iso.html#XACT-REPEATABLE-READ">Repeatable Read Isolation Level</a></dt><dt id="ientry-idm13136">replace, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm52220">replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm90630">Replication Origins, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm90628">Replication Progress Tracking, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm52615">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-idm84158">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-idm40097">reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm113043">RESET, <a class="indexterm" href="sql-reset.html">RESET</a></dt><dt id="ientry-idm58945">restartpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm45673">restart_after_crash configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm41804">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-idm35086">retryable error, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm83229">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-idm83232">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-idm82859">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-idm13156">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-idm13168">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-idm47744">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-idm113267">ROLLBACK, <a class="indexterm" href="sql-rollback.html">ROLLBACK</a></dt><dt id="ientry-idm126711">rollback</dt><dd><dl><dt>psql, <a class="indexterm" href="app-psql.html#APP-PSQL-VARIABLES">Variables</a></dt></dl></dd><dt id="ientry-idm113328">ROLLBACK PREPARED, <a class="indexterm" href="sql-rollback-prepared.html">ROLLBACK PREPARED</a></dt><dt id="ientry-idm113377">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-idm11605">round, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm76270">routine, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt><dt id="ientry-idm51059">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-idm152400">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-idm26488">row-wise comparison, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm26119">row_number, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm44612">row_security configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm27439">row_security_active, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-ACCESS">Access Privilege Inquiry Functions</a></dt><dt id="ientry-idm21999">row_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm12448">rpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12471">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-idm81546">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-idm113451">SAVEPOINT, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dt id="ientry-idm112980">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-idm11642">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-idm47165">SCRAM, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm40309">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-idm113517">SECURITY LABEL, <a class="indexterm" href="sql-security-label.html">SECURITY LABEL</a></dt><dt id="ientry-idm169775">sec_to_gc, <a class="indexterm" href="earthdistance.html#EARTHDISTANCE-CUBE-BASED">Cube-Based Earth Distances</a></dt><dt id="ientry-idm175601">seg, <a class="indexterm" href="seg.html">seg — a datatype for line segments or floating point intervals</a></dt><dt id="ientry-idm45830">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-idm82856">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-idm38742">semaphores, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm46348">send_abort_for_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46361">send_abort_for_kill configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm175854">sepgsql, <a class="indexterm" href="sepgsql.html">sepgsql —
   SELinux-, label-based mandatory access control (MAC) security module</a></dt><dt id="ientry-idm175971">sepgsql.debug_audit configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm175958">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-idm42605">sequential scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm42647">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-idm34503">serializable, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm34280">Serializable Snapshot Isolation, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm34327">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-idm35084">serialization failure, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm43001">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-idm61349">Server Name Indication, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm39386">server spoofing, <a class="indexterm" href="preventing-server-spoofing.html">Preventing Server Spoofing</a></dt><dt id="ientry-idm45842">server_encoding configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45854">server_version configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45864">server_version_num configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45340">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-idm44812">session_replication_role configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm27058">session_user, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SESSION">Session Information Functions</a></dt><dt id="ientry-idm29270">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-idm115294">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-idm26647">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-idm115356">SET ROLE, <a class="indexterm" href="sql-set-role.html">SET ROLE</a></dt><dt id="ientry-idm115439">SET SESSION AUTHORIZATION, <a class="indexterm" href="sql-set-session-authorization.html">SET SESSION AUTHORIZATION</a></dt><dt id="ientry-idm115496">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-idm45030">SET XML OPTION, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11829">setseed, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm23525">setval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm20291">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-idm13917">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-idm13936">set_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm29315">set_config, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm174560">set_limit, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm19901">set_masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm13955">sha224, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13968">sha256, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13981">sha384, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13994">sha512, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm37790">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-idm38740">shared memory, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm40623">shared_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm45874">shared_memory_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm45883">shared_memory_size_in_huge_pages configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40853">shared_memory_type configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm77607">shared_preload_libraries, <a class="indexterm" href="xfunc-c.html#XFUNC-SHARED-ADDIN">Shared Memory and LWLocks</a></dt><dt id="ientry-idm45358">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-idm28606">shobj_description, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-COMMENT">Comment Information Functions</a></dt><dt id="ientry-idm29272">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-idm174548">show_limit, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm174518">show_trgm, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm39191">shutdown, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm39826">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-idm39212">SIGINT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm11654">sign, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm29337">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-idm45169">significant digits, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm39221">SIGQUIT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm39203">SIGTERM, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm14594">SIMILAR TO, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a></dt><dt id="ientry-idm174508">similarity, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm12017">sin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12029">sind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm131103">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-idm12084">sinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm170404">skeys, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm18469">sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm170533">slice, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm151353">sliced bread (see <a href="#ientry-idm65267">TOAST</a>)</dt><dt id="ientry-idm19303">slope, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm56925">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-idm38039">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-idm25516">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-idm170823">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-idm170844">sort_asc, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm170856">sort_desc, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm170018">soundex, <a class="indexterm" href="fuzzystrmatch.html#FUZZYSTRMATCH-SOUNDEX">Soundex</a></dt><dt id="ientry-idm32007">SP-GiST (see <a href="#ientry-idm31880">index</a>)</dt><dt id="ientry-idm86855">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-idm85811">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-idm89822">SPI_commit, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm89824">SPI_commit_and_chain, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm86876">SPI_connect, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm86878">SPI_connect_ext, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm89529">SPI_copytuple, <a class="indexterm" href="spi-spi-copytuple.html">SPI_copytuple</a></dt><dt id="ientry-idm85732">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-idm88751">SPI_cursor_close, <a class="indexterm" href="spi-spi-cursor-close.html">SPI_cursor_close</a></dt><dt id="ientry-idm88528">SPI_cursor_fetch, <a class="indexterm" href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a></dt><dt id="ientry-idm88493">SPI_cursor_find, <a class="indexterm" href="spi-spi-cursor-find.html">SPI_cursor_find</a></dt><dt id="ientry-idm88579">SPI_cursor_move, <a class="indexterm" href="spi-spi-cursor-move.html">SPI_cursor_move</a></dt><dt id="ientry-idm88179">SPI_cursor_open, <a class="indexterm" href="spi-spi-cursor-open.html">SPI_cursor_open</a></dt><dt id="ientry-idm88254">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-idm88358">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-idm88416">SPI_cursor_parse_open, <a class="indexterm" href="spi-spi-cursor-parse-open.html">SPI_cursor_parse_open</a></dt><dt id="ientry-idm87171">SPI_exec, <a class="indexterm" href="spi-spi-exec.html">SPI_exec</a></dt><dt id="ientry-idm88110">SPI_execp, <a class="indexterm" href="spi-spi-execp.html">SPI_execp</a></dt><dt id="ientry-idm86952">SPI_execute, <a class="indexterm" href="spi-spi-execute.html">SPI_execute</a></dt><dt id="ientry-idm87211">SPI_execute_extended, <a class="indexterm" href="spi-spi-execute-extended.html">SPI_execute_extended</a></dt><dt id="ientry-idm87842">SPI_execute_plan, <a class="indexterm" href="spi-spi-execute-plan.html">SPI_execute_plan</a></dt><dt id="ientry-idm87938">SPI_execute_plan_extended, <a class="indexterm" href="spi-spi-execute-plan-extended.html">SPI_execute_plan_extended</a></dt><dt id="ientry-idm88046">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-idm87322">SPI_execute_with_args, <a class="indexterm" href="spi-spi-execute-with-args.html">SPI_execute_with_args</a></dt><dt id="ientry-idm85773">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-idm85684">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-idm85725">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-idm86923">SPI_finish, <a class="indexterm" href="spi-spi-finish.html">SPI_finish</a></dt><dt id="ientry-idm89052">SPI_fname, <a class="indexterm" href="spi-spi-fname.html">SPI_fname</a></dt><dt id="ientry-idm89092">SPI_fnumber, <a class="indexterm" href="spi-spi-fnumber.html">SPI_fnumber</a></dt><dt id="ientry-idm85780">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-idm89779">SPI_freeplan, <a class="indexterm" href="spi-spi-freeplan.html">SPI_freeplan</a></dt><dt id="ientry-idm89719">SPI_freetuple, <a class="indexterm" href="spi-spi-freetuple.html">SPI_freetuple</a></dt><dt id="ientry-idm89746">SPI_freetuptable, <a class="indexterm" href="spi-spi-freetupletable.html">SPI_freetuptable</a></dt><dt id="ientry-idm87711">SPI_getargcount, <a class="indexterm" href="spi-spi-getargcount.html">SPI_getargcount</a></dt><dt id="ientry-idm87747">SPI_getargtypeid, <a class="indexterm" href="spi-spi-getargtypeid.html">SPI_getargtypeid</a></dt><dt id="ientry-idm89183">SPI_getbinval, <a class="indexterm" href="spi-spi-getbinval.html">SPI_getbinval</a></dt><dt id="ientry-idm89347">SPI_getnspname, <a class="indexterm" href="spi-spi-getnspname.html">SPI_getnspname</a></dt><dt id="ientry-idm89318">SPI_getrelname, <a class="indexterm" href="spi-spi-getrelname.html">SPI_getrelname</a></dt><dt id="ientry-idm89238">SPI_gettype, <a class="indexterm" href="spi-spi-gettype.html">SPI_gettype</a></dt><dt id="ientry-idm89277">SPI_gettypeid, <a class="indexterm" href="spi-spi-gettypeid.html">SPI_gettypeid</a></dt><dt id="ientry-idm89132">SPI_getvalue, <a class="indexterm" href="spi-spi-getvalue.html">SPI_getvalue</a></dt><dt id="ientry-idm87793">SPI_is_cursor_plan, <a class="indexterm" href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a></dt><dt id="ientry-idm88778">SPI_keepplan, <a class="indexterm" href="spi-spi-keepplan.html">SPI_keepplan</a></dt><dt id="ientry-idm89609">SPI_modifytuple, <a class="indexterm" href="spi-spi-modifytuple.html">SPI_modifytuple</a></dt><dt id="ientry-idm89433">SPI_palloc, <a class="indexterm" href="spi-spi-palloc.html">SPI_palloc</a></dt><dt id="ientry-idm89500">SPI_pfree, <a class="indexterm" href="spi-spi-pfree.html">SPI_pfree</a></dt><dt id="ientry-idm85756">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-idm87425">SPI_prepare, <a class="indexterm" href="spi-spi-prepare.html">SPI_prepare</a></dt><dt id="ientry-idm87516">SPI_prepare_cursor, <a class="indexterm" href="spi-spi-prepare-cursor.html">SPI_prepare_cursor</a></dt><dt id="ientry-idm87588">SPI_prepare_extended, <a class="indexterm" href="spi-spi-prepare-extended.html">SPI_prepare_extended</a></dt><dt id="ientry-idm87656">SPI_prepare_params, <a class="indexterm" href="spi-spi-prepare-params.html">SPI_prepare_params</a></dt><dt id="ientry-idm85718">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-idm85764">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-idm88867">SPI_register_relation, <a class="indexterm" href="spi-spi-register-relation.html">SPI_register_relation</a></dt><dt id="ientry-idm88984">SPI_register_trigger_data, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt id="ientry-idm89462">SPI_repalloc, <a class="indexterm" href="spi-realloc.html">SPI_repalloc</a></dt><dt id="ientry-idm89377">SPI_result_code_string, <a class="indexterm" href="spi-spi-result-code-string.html">SPI_result_code_string</a></dt><dt id="ientry-idm89563">SPI_returntuple, <a class="indexterm" href="spi-spi-returntuple.html">SPI_returntuple</a></dt><dt id="ientry-idm85817">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-idm89847">SPI_rollback, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm89849">SPI_rollback_and_chain, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm88815">SPI_saveplan, <a class="indexterm" href="spi-spi-saveplan.html">SPI_saveplan</a></dt><dt id="ientry-idm88624">SPI_scroll_cursor_fetch, <a class="indexterm" href="spi-spi-scroll-cursor-fetch.html">SPI_scroll_cursor_fetch</a></dt><dt id="ientry-idm88687">SPI_scroll_cursor_move, <a class="indexterm" href="spi-spi-scroll-cursor-move.html">SPI_scroll_cursor_move</a></dt><dt id="ientry-idm89872">SPI_start_transaction, <a class="indexterm" href="spi-spi-start-transaction.html">SPI_start_transaction</a></dt><dt id="ientry-idm88927">SPI_unregister_relation, <a class="indexterm" href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></dt><dt id="ientry-idm13186">split_part, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm160575">SQL/CLI, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160571">SQL/Foundation, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160567">SQL/Framework, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160595">SQL/JRT, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm21550">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-idm22899">SQL/JSON path language, <a class="indexterm" href="functions-json.html#FUNCTIONS-SQLJSON-PATH">The SQL/JSON Path Language</a></dt><dt id="ientry-idm160603">SQL/MDA, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160583">SQL/MED, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160587">SQL/OLB, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160607">SQL/PGQ, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160579">SQL/PSM, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160591">SQL/Schemata, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm160599">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-idm11670">sqrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm39687">ssh, <a class="indexterm" href="ssh-tunnels.html">Secure TCP/IP Connections with SSH Tunnels</a></dt><dt id="ientry-idm34282">SSI, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm39468">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-idm40394">ssl configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176264">sslinfo, <a class="indexterm" href="sslinfo.html">sslinfo — obtain client SSL information</a></dt><dt id="ientry-idm40406">ssl_ca_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40416">ssl_cert_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176294">ssl_cipher, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40466">ssl_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176301">ssl_client_cert_present, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176316">ssl_client_dn, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176335">ssl_client_dn_field, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176308">ssl_client_serial, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40438">ssl_crl_dir configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40427">ssl_crl_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40577">ssl_dh_params_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40528">ssl_ecdh_curve configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176354">ssl_extension_info, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176325">ssl_issuer_dn, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176346">ssl_issuer_field, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm176280">ssl_is_used, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm40455">ssl_key_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm45899">ssl_library configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40565">ssl_max_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40547">ssl_min_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40589">ssl_passphrase_command configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm40605">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-idm40516">ssl_prefer_server_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm176287">ssl_version, <a class="indexterm" href="sslinfo.html#SSLINFO-FUNCTIONS">Functions Provided</a></dt><dt id="ientry-idm47321">SSPI, <a class="indexterm" href="sspi-auth.html">SSPI Authentication</a></dt><dt id="ientry-idm76724">STABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm25760">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-idm45598">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-idm52464">standby server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm41785">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-idm179910">standby_mode (see <a href="#ientry-idm41785">standby.signal</a>)</dt><dt id="ientry-idm115740">START TRANSACTION, <a class="indexterm" href="sql-start-transaction.html">START TRANSACTION</a></dt><dt id="ientry-idm13211">starts_with, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm142244">START_REPLICATION, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm44837">statement_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17771">statement_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm25546">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-idm44280">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-idm25762">stddev, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25780">stddev_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25797">stddev_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm52470">STONITH, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm104504">storage parameters, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm52540">Streaming Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm174537">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-idm45519">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-idm25422">string_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13228">string_to_array, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13259">string_to_table, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm20331">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-idm13289">strpos, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm170899">subarray, <a class="indexterm" href="intarray.html#INTARRAY-FUNCS-OPS">intarray Functions and Operators</a></dt><dt id="ientry-idm171759">subltree, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm171778">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-idm13309">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-idm12489">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-idm15901">SUBSTRING_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm85476">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-idm25443">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-idm40117">superuser_reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm147642">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-idm31063">suppress_redundant_updates_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm170431">svals, <a class="indexterm" href="hstore.html#HSTORE-OPS-FUNCS">hstore Operators and Functions</a></dt><dt id="ientry-idm45613">synchronize_seqscans configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm58848">synchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm52663">Synchronous Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm41288">synchronous_commit configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42103">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-idm43215">syslog_facility configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43238">syslog_ident configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm43252">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-idm43268">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-idm36633">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-idm27066">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-idm146754">Table Access Method, <a class="indexterm" href="tableam.html">Table Access Method Interface Definition</a></dt><dt id="ientry-idm113673">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-idm146357">table sampling method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm146756">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-idm176369">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-idm146359">TABLESAMPLE method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm44644">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-idm10247">table_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm12041">tan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12053">tand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12108">tanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm81606">target list, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm85045">Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm176737">tcn, <a class="indexterm" href="tcn.html">tcn — a trigger function to notify listeners of changes to table content</a></dt><dt id="ientry-idm40236">tcp_keepalives_count configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40216">tcp_keepalives_idle configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40226">tcp_keepalives_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm40246">tcp_user_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-TCP-SETTINGS">TCP Settings</a></dt><dt id="ientry-idm48228">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-idm48225">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-idm40703">temp_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40903">temp_file_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-DISK">Disk</a></dt><dt id="ientry-idm44682">temp_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm59905">test, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm176756">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-idm8592">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-idm171863">text2ltree, <a class="indexterm" href="ltree.html#LTREE-OPS-FUNCS">Operators and Functions</a></dt><dt id="ientry-idm65128">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-idm9981">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-idm16056">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-idm36787">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-idm45157">time zone names, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm52136">timelines, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm142079">TIMELINE_HISTORY, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm17783">timeofday, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm40276">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-idm45139">TimeZone configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm45154">timezone_abbreviations configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm65267">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-idm104534">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-idm13337">to_ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm16074">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-idm16125">to_date, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm13372">to_hex, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm21910">to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21916">to_jsonb, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm16138">to_number, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm28184">to_regclass, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28196">to_regcollation, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28208">to_regnamespace, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28220">to_regoper, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28232">to_regoperator, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28244">to_regproc, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28256">to_regprocedure, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28268">to_regrole, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm28280">to_regtype, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-CATALOG">System Catalog Information Functions</a></dt><dt id="ientry-idm16151">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-idm20344">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-idm20362">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-idm46114">trace_locks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46153">trace_lock_oidmin configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46165">trace_lock_table configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46128">trace_lwlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46068">trace_notify configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46082">trace_recovery_messages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46102">trace_sort configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46140">trace_userlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44200">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-idm44211">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-idm42086">track_commit_timestamp configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm44222">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-idm44264">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-idm44232">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-idm44251">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-idm51228">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-idm34301">transaction isolation, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm34332">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-idm58828">transaction log (see <a href="#ientry-idm58826">WAL</a>)</dt><dt id="ientry-idm44801">transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44775">transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44788">transaction_read_only configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17797">transaction_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm45631">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-idm79852">transition tables, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dd><dl><dt>(see also <a href="#ientry-idm88869">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-idm13388">translate, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15903">TRANSLATE_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm40672">transparent
        huge pages, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm10237">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-idm176739">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-idm12566">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-idm24144">trim_array, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm11686">trim_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm7930">true, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm11698">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-idm115797">TRUNCATE, <a class="indexterm" href="sql-truncate.html">TRUNCATE</a></dt><dt id="ientry-idm85990">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-idm10251">tsm_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm176770">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-idm176802">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-idm8637">tsquery (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSQUERY">tsquery</a></dt><dt id="ientry-idm20650">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-idm8606">tsvector (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSVECTOR">tsvector</a></dt><dt id="ientry-idm33145">tsvector concatenation, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm20686">tsvector_to_array, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm31073">tsvector_update_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm31085">tsvector_update_trigger_column, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm20736">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-idm20452">ts_delete, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20487">ts_filter, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20504">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-idm20766">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-idm20782">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-idm20565">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-idm20589">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-idm20613">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-idm20860">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-idm20822">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-idm172108">tuple_data_split, <a class="indexterm" href="pageinspect.html#PAGEINSPECT-HEAP-FUNCS">Heap Functions</a></dt><dt id="ientry-idm28844">txid_current, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28853">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-idm28862">txid_current_snapshot, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28871">txid_snapshot_xip, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28881">txid_snapshot_xmax, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28891">txid_snapshot_xmin, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28912">txid_status, <a class="indexterm" href="functions-info.html#FUNCTIONS-INFO-SNAPSHOT">Transaction ID and Snapshot Information Functions</a></dt><dt id="ientry-idm28901">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-idm66263">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-idm176832">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-idm12240">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-idm170868">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-idm13411">unistr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm60867">Unix domain socket, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm40135">unix_socket_directories configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40157">unix_socket_group configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm40168">unix_socket_permissions configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm10257">unknown, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm115906">UNLISTEN, <a class="indexterm" href="sql-unlisten.html">UNLISTEN</a></dt><dt id="ientry-idm20699">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-idm106864">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-idm44179">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-idm39249">upgrading, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt><dt id="ientry-idm12611">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-idm24752">upper_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24777">upper_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm111393">UPSERT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm60762">URI, <a class="indexterm" href="libpq-connect.html#LIBPQ-CONNSTRING">Connection Strings</a></dt><dt id="ientry-idm26875">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-idm46988">User name maps, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm104788">user_catalog_table storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm8682">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-idm176910">uuid-ossp, <a class="indexterm" href="uuid-ossp.html">uuid-ossp — a UUID generator</a></dt><dt id="ientry-idm176937">uuid_generate_v1, <a class="indexterm" href="uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT">uuid-ossp Functions</a></dt><dt id="ientry-idm176945">uuid_generate_v1mc, <a class="indexterm" href="uuid-ossp.html#UUID-OSSP-FUNCTIONS-SECT">uuid-ossp Functions</a></dt><dt id="ientry-idm176953">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-idm51083">vacuum, <a class="indexterm" href="routine-vacuuming.html">Routine Vacuuming</a></dt><dt id="ientry-idm116205">VACUUM, <a class="indexterm" href="sql-vacuum.html">VACUUM</a></dt><dt id="ientry-idm127661">vacuumdb, <a class="indexterm" href="app-vacuumdb.html">vacuumdb</a></dt><dt id="ientry-idm177512">vacuumlo, <a class="indexterm" href="vacuumlo.html">vacuumlo</a></dt><dt id="ientry-idm40803">vacuum_buffer_usage_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40944">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-idm40985">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-idm40976">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-idm40958">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-idm40967">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-idm44927">vacuum_failsafe_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm44914">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-idm44897">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-idm104571">vacuum_index_cleanup storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm44978">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-idm44965">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-idm44948">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-idm104592">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-idm76492">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-idm25811">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-idm25829">var_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25846">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-idm151510">Visibility Map, <a class="indexterm" href="storage-vm.html">Visibility Map</a></dt><dt id="ientry-idm151512">VM (see <a href="#ientry-idm151510">Visibility Map</a>)</dt><dt id="ientry-idm10235">void, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm76722">VOLATILE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm76719">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-idm36250">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-idm58826">WAL, <a class="indexterm" href="wal.html">Reliability and the Write-Ahead Log</a></dt><dt id="ientry-idm45910">wal_block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm41489">wal_buffers configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41446">wal_compression configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm46201">wal_consistency_checking configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm46223">wal_debug configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm41769">wal_decode_buffer_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm41467">wal_init_zero configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42047">wal_keep_size configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41212">wal_level configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41432">wal_log_hints configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42255">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-idm42266">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-idm42296">wal_receiver_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm41479">wal_recycle configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm42306">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-idm45920">wal_segment_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm42076">wal_sender_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm41536">wal_skip_threshold configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41378">wal_sync_method configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41505">wal_writer_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm41520">wal_writer_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm52460">warm standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm20259">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-idm43005">where to log, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm83535">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-idm19316">width, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm11732">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-idm106786">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-idm52468">witness server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm174527">word_similarity, <a class="indexterm" href="pgtrgm.html#PGTRGM-FUNCS-OPS">Functions and Operators</a></dt><dt id="ientry-idm40734">work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm51231">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-idm9983">xid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9977">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-idm8699">XML, <a class="indexterm" href="datatype-xml.html">XML Type</a></dt><dt id="ientry-idm21359">XML export, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-MAPPING">Mapping Tables to XML</a></dt><dt id="ientry-idm20901">XML Functions, <a class="indexterm" href="functions-xml.html">XML Functions</a></dt><dt id="ientry-idm8756">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-idm177046">xml2, <a class="indexterm" href="xml2.html">xml2 — XPath querying and XSLT functionality</a></dt><dt id="ientry-idm21068">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-idm45010">xmlbinary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm20919">xmlcomment, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLCOMMENT">xmlcomment</a></dt><dt id="ientry-idm20936">xmlconcat, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLCONCAT">xmlconcat</a></dt><dt id="ientry-idm20955">xmlelement, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLELEMENT">xmlelement</a></dt><dt id="ientry-idm21116">XMLEXISTS, <a class="indexterm" href="functions-xml.html#XML-EXISTS">XMLEXISTS</a></dt><dt id="ientry-idm21000">xmlforest, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLFOREST">xmlforest</a></dt><dt id="ientry-idm45027">xmloption configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm8723">xmlparse, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm21026">xmlpi, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLPI">xmlpi</a></dt><dt id="ientry-idm21047">xmlroot, <a class="indexterm" href="functions-xml.html#FUNCTIONS-PRODUCING-XML-XMLROOT">xmlroot</a></dt><dt id="ientry-idm8736">xmlserialize, <a class="indexterm" href="datatype-xml.html#DATATYPE-XML-CREATING">Creating XML Values</a></dt><dt id="ientry-idm21236">xmltable, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt><dt id="ientry-idm21148">xml_is_well_formed, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm21152">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-idm21150">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-idm21187">XPath, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH">xpath</a></dt><dt id="ientry-idm21215">xpath_exists, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH-EXISTS">xpath_exists</a></dt><dt id="ientry-idm177183">xpath_table, <a class="indexterm" href="xml2.html#XML2-XPATH-TABLE">xpath_table</a></dt><dt id="ientry-idm15905">XQuery regular expressions, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm177264">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-idm36193">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-idm46250">zero_damaged_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm36072">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 16.3 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 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>