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<a href="#indexdiv-Z">Z</a></p><div class="indexdiv" id="indexdiv-Symbols"><h3>Symbols</h3><dl><dt id="ientry-idm1813">$, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-PARAMETERS-POSITIONAL">Positional Parameters</a></dt><dt id="ientry-idm73988">$libdir, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm43691">$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-idm5260">*, <a class="indexterm" href="queries-select-lists.html#QUERIES-SELECT-LIST-ITEMS">Select-List Items</a></dt><dt id="ientry-idm61889">.pgpass, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm61924">.pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm2213">::, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS">Type Casts</a></dt><dt id="ientry-idm87770">_PG_archive_module_init, <a class="indexterm" href="archive-module-init.html">Initialization Functions</a></dt><dt id="ientry-idm74021">_PG_init, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm87333">_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-idm19566">abbrev, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm87822">ABORT, <a class="indexterm" href="sql-abort.html">ABORT</a></dt><dt id="ientry-idm11175">abs, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3034">ACL, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm26894">aclcontains, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26933">acldefault, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26965">aclexplode, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm3465">aclitem, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm26878">aclitemeq, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm11732">acos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11744">acosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12001">acosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm173167">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-idm162941">adminpack, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm34237">advisory lock, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a></dt><dt id="ientry-idm17142">age, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</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-idm36418">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-idm165956">akeys, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">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-idm5202">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-idm44343">allow_in_place_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44355">allow_system_table_mods configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm87884">ALTER AGGREGATE, <a class="indexterm" href="sql-alteraggregate.html">ALTER AGGREGATE</a></dt><dt id="ientry-idm88007">ALTER COLLATION, <a class="indexterm" href="sql-altercollation.html">ALTER COLLATION</a></dt><dt id="ientry-idm88100">ALTER CONVERSION, <a class="indexterm" href="sql-alterconversion.html">ALTER CONVERSION</a></dt><dt id="ientry-idm88169">ALTER DATABASE, <a class="indexterm" href="sql-alterdatabase.html">ALTER DATABASE</a></dt><dt id="ientry-idm88303">ALTER DEFAULT PRIVILEGES, <a class="indexterm" href="sql-alterdefaultprivileges.html">ALTER DEFAULT PRIVILEGES</a></dt><dt id="ientry-idm88405">ALTER DOMAIN, <a class="indexterm" href="sql-alterdomain.html">ALTER DOMAIN</a></dt><dt id="ientry-idm88604">ALTER EVENT TRIGGER, <a class="indexterm" href="sql-altereventtrigger.html">ALTER EVENT TRIGGER</a></dt><dt id="ientry-idm88663">ALTER EXTENSION, <a class="indexterm" href="sql-alterextension.html">ALTER EXTENSION</a></dt><dt id="ientry-idm88891">ALTER FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-alterforeigndatawrapper.html">ALTER FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm88998">ALTER FOREIGN TABLE, <a class="indexterm" href="sql-alterforeigntable.html">ALTER FOREIGN TABLE</a></dt><dt id="ientry-idm89332">ALTER FUNCTION, <a class="indexterm" href="sql-alterfunction.html">ALTER FUNCTION</a></dt><dt id="ientry-idm89581">ALTER GROUP, <a class="indexterm" href="sql-altergroup.html">ALTER GROUP</a></dt><dt id="ientry-idm89654">ALTER INDEX, <a class="indexterm" href="sql-alterindex.html">ALTER INDEX</a></dt><dt id="ientry-idm89836">ALTER LANGUAGE, <a class="indexterm" href="sql-alterlanguage.html">ALTER LANGUAGE</a></dt><dt id="ientry-idm89886">ALTER LARGE OBJECT, <a class="indexterm" href="sql-alterlargeobject.html">ALTER LARGE OBJECT</a></dt><dt id="ientry-idm89928">ALTER MATERIALIZED VIEW, <a class="indexterm" href="sql-altermaterializedview.html">ALTER MATERIALIZED VIEW</a></dt><dt id="ientry-idm90045">ALTER OPERATOR, <a class="indexterm" href="sql-alteroperator.html">ALTER OPERATOR</a></dt><dt id="ientry-idm90137">ALTER OPERATOR CLASS, <a class="indexterm" href="sql-alteropclass.html">ALTER OPERATOR CLASS</a></dt><dt id="ientry-idm90206">ALTER OPERATOR FAMILY, <a class="indexterm" href="sql-alteropfamily.html">ALTER OPERATOR FAMILY</a></dt><dt id="ientry-idm90379">ALTER POLICY, <a class="indexterm" href="sql-alterpolicy.html">ALTER POLICY</a></dt><dt id="ientry-idm90462">ALTER PROCEDURE, <a class="indexterm" href="sql-alterprocedure.html">ALTER PROCEDURE</a></dt><dt id="ientry-idm90640">ALTER PUBLICATION, <a class="indexterm" href="sql-alterpublication.html">ALTER PUBLICATION</a></dt><dt id="ientry-idm46159">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-idm90998">ALTER ROUTINE, <a class="indexterm" href="sql-alterroutine.html">ALTER ROUTINE</a></dt><dt id="ientry-idm91078">ALTER RULE, <a class="indexterm" href="sql-alterrule.html">ALTER RULE</a></dt><dt id="ientry-idm91133">ALTER SCHEMA, <a class="indexterm" href="sql-alterschema.html">ALTER SCHEMA</a></dt><dt id="ientry-idm91187">ALTER SEQUENCE, <a class="indexterm" href="sql-altersequence.html">ALTER SEQUENCE</a></dt><dt id="ientry-idm91409">ALTER SERVER, <a class="indexterm" href="sql-alterserver.html">ALTER SERVER</a></dt><dt id="ientry-idm91491">ALTER STATISTICS, <a class="indexterm" href="sql-alterstatistics.html">ALTER STATISTICS</a></dt><dt id="ientry-idm91565">ALTER SUBSCRIPTION, <a class="indexterm" href="sql-altersubscription.html">ALTER SUBSCRIPTION</a></dt><dt id="ientry-idm91770">ALTER SYSTEM, <a class="indexterm" href="sql-altersystem.html">ALTER SYSTEM</a></dt><dt id="ientry-idm91850">ALTER TABLE, <a class="indexterm" href="sql-altertable.html">ALTER TABLE</a></dt><dt id="ientry-idm92788">ALTER TABLESPACE, <a class="indexterm" href="sql-altertablespace.html">ALTER TABLESPACE</a></dt><dt id="ientry-idm92866">ALTER TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-altertsconfig.html">ALTER TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm92977">ALTER TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-altertsdictionary.html">ALTER TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm93060">ALTER TEXT SEARCH PARSER, <a class="indexterm" href="sql-altertsparser.html">ALTER TEXT SEARCH PARSER</a></dt><dt id="ientry-idm93111">ALTER TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-altertstemplate.html">ALTER TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm93162">ALTER TRIGGER, <a class="indexterm" href="sql-altertrigger.html">ALTER TRIGGER</a></dt><dt id="ientry-idm93236">ALTER TYPE, <a class="indexterm" href="sql-altertype.html">ALTER TYPE</a></dt><dt id="ientry-idm93498">ALTER USER, <a class="indexterm" href="sql-alteruser.html">ALTER USER</a></dt><dt id="ientry-idm93550">ALTER USER MAPPING, <a class="indexterm" href="sql-alterusermapping.html">ALTER USER MAPPING</a></dt><dt id="ientry-idm93622">ALTER VIEW, <a class="indexterm" href="sql-alterview.html">ALTER VIEW</a></dt><dt id="ientry-idm163052">amcheck, <a class="indexterm" href="amcheck.html">amcheck</a></dt><dt id="ientry-idm49023">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-idm10360">AND (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm104233">anonymous code blocks, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm10126">any, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24941">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-idm10130">anyarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10140">anycompatible, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10142">anycompatiblearray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10148">anycompatiblemultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10144">anycompatiblenonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10146">anycompatiblerange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10128">anyelement, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10134">anyenum, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10138">anymultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10132">anynonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10136">anyrange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm67572">applicable role, <a class="indexterm" href="infoschema-applicable-roles.html">applicable_roles</a></dt><dt id="ientry-idm41950">application_name configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm6262">arbitrary precision numbers, <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm87755">Archive Modules, <a class="indexterm" href="archive-modules.html">Archive Modules</a></dt><dt id="ientry-idm40277">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-idm40142">archive_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40166">archive_library configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40115">archive_mode configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40180">archive_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm18951">area, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm168480">armor, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.16">armor(), dearmor()</a></dt><dt id="ientry-idm2281">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-idm2284">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-idm24578">array_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a>, <a class="indexterm" href="intagg.html#id-1.11.7.28.4">Functions</a></dt><dt id="ientry-idm23518">array_append, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23534">array_cat, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23550">array_dims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23562">array_fill, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23581">array_length, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23600">array_lower, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23613">array_ndims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm43881">array_nulls configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm23625">array_position, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23643">array_positions, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23660">array_prepend, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23676">array_remove, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23691">array_replace, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm21720">array_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm23705">array_to_string, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm19974">array_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm23729">array_upper, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm12423">ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm11756">asin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11768">asind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11989">asinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm81404">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-idm81407">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-idm56324">asynchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm18115">AT TIME ZONE, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT">AT TIME ZONE</a></dt><dt id="ientry-idm11780">atan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11804">atan2, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11821">atan2d, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11792">atand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12013">atanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm38781">authentication_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm163280">auth_delay, <a class="indexterm" href="auth-delay.html">auth_delay</a></dt><dt id="ientry-idm163294">auth_delay.milliseconds configuration parameter, <a class="indexterm" href="auth-delay.html#id-1.11.7.12.5">Configuration Parameters</a></dt><dt id="ientry-idm6468">auto-increment (see <a href="#ientry-idm6458">serial</a>)</dt><dt id="ientry-idm34807">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-idm97764">autosummarize storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm42780">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-idm42792">autovacuum configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm42890">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-idm42852">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-idm101349">autovacuum_enabled storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm42903">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-idm101498">autovacuum_freeze_min_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm101524">autovacuum_freeze_table_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm42805">autovacuum_max_workers configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm42919">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-idm101535">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-idm101561">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-idm42814">autovacuum_naptime configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm42936">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-idm42949">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-idm42877">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-idm42839">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-idm42864">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-idm42827">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-idm39264">autovacuum_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm163308">auto_explain, <a class="indexterm" href="auto-explain.html">auto_explain</a></dt><dt id="ientry-idm163342">auto_explain.log_analyze configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163357">auto_explain.log_buffers configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163429">auto_explain.log_format configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163444">auto_explain.log_level configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163329">auto_explain.log_min_duration configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163464">auto_explain.log_nested_statements configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163419">auto_explain.log_settings configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163383">auto_explain.log_timing configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163396">auto_explain.log_triggers configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163407">auto_explain.log_verbose configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163370">auto_explain.log_wal configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm163474">auto_explain.sample_rate configuration parameter, <a class="indexterm" href="auto-explain.html#id-1.11.7.13.5">Configuration Parameters</a></dt><dt id="ientry-idm165983">avals, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm24596">average, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24598">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-idm31180">B-Tree (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm39520">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-idm87037">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-idm43901">backslash_quote configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm44365">backtrace_functions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm28729">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-idm148628">Backup Manifest, <a class="indexterm" href="backup-manifest-format.html">Backup Manifest Format</a></dt><dt id="ientry-idm73119">base type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm14035">base64 format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm163494">basebackup_to_shell, <a class="indexterm" href="basebackup-to-shell.html">basebackup_to_shell</a></dt><dt id="ientry-idm163512">basebackup_to_shell.command configuration parameter, <a class="indexterm" href="basebackup-to-shell.html#id-1.11.7.14.5">Configuration Parameters</a></dt><dt id="ientry-idm163528">basebackup_to_shell.required_role configuration parameter, <a class="indexterm" href="basebackup-to-shell.html#id-1.11.7.14.5">Configuration Parameters</a></dt><dt id="ientry-idm138604">BASE_BACKUP, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm163541">basic_archive, <a class="indexterm" href="basic-archive.html">basic_archive</a></dt><dt id="ientry-idm163556">basic_archive.archive_directory configuration parameter, <a class="indexterm" href="basic-archive.html#id-1.11.7.15.5">Configuration Parameters</a></dt><dt id="ientry-idm60312">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-idm93923">BEGIN, <a class="indexterm" href="sql-begin.html">BEGIN</a></dt><dt id="ientry-idm10757">BETWEEN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10759">BETWEEN SYMMETRIC, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm87084">BGWORKER_BACKEND_DATABASE_CONNECTION, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm87077">BGWORKER_SHMEM_ACCESS, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm39459">bgwriter_delay configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm39496">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-idm39473">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-idm39483">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-idm1483">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-idm6460">bigserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6732">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-idm13471">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-idm35393">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-idm14077">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-idm31364">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-idm24632">bit_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13640">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-idm12114">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-idm24654">bit_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24676">bit_xor, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm62400">BLOB (see <a href="#ientry-idm62398">large object</a>)</dt><dt id="ientry-idm44104">block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm163574">bloom, <a class="indexterm" href="bloom.html">bloom</a></dt><dt id="ientry-idm38685">bonjour configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38695">bonjour_name configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm7853">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-idm24698">bool_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24708">bool_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm37128">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-idm19185">bound_box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19142">box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm8129">box (data type), <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.8">Boxes</a></dt><dt id="ientry-idm31272">BRIN (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm29815">brin_desummarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm167796">brin_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm167816">brin_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm167785">brin_page_type, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm167806">brin_revmap_data, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm29792">brin_summarize_new_values, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm29802">brin_summarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm19592">broadcast, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm45950">BSD Authentication, <a class="indexterm" href="auth-bsd.html">BSD Authentication</a></dt><dt id="ientry-idm163656">btree_gin, <a class="indexterm" href="btree-gin.html">btree_gin</a></dt><dt id="ientry-idm163703">btree_gist, <a class="indexterm" href="btree-gist.html">btree_gist</a></dt><dt id="ientry-idm12437">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-idm163073">bt_index_check, <a class="indexterm" href="amcheck.html#id-1.11.7.11.8">Functions</a></dt><dt id="ientry-idm163092">bt_index_parent_check, <a class="indexterm" href="amcheck.html#id-1.11.7.11.8">Functions</a></dt><dt id="ientry-idm167720">bt_metap, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm167738">bt_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm167729">bt_page_stats, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm97700">buffering storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm6734">bytea, <a class="indexterm" href="datatype-binary.html">Binary Data Types</a></dt><dt id="ientry-idm43417">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-idm57619">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-idm74781">C++, <a class="indexterm" href="xfunc-c.html#EXTEND-CPP">Using C++ for Extensibility</a></dt><dt id="ientry-idm94010">CALL, <a class="indexterm" href="sql-call.html">CALL</a></dt><dt id="ientry-idm60569">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-idm23742">cardinality, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm2770">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-idm50440">Cascading Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm23255">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-idm95851">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-idm11188">cbrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11200">ceil, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11219">ceiling, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm18968">center, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45904">Certificate, <a class="indexterm" href="auth-cert.html">Certificate Authentication</a></dt><dt id="ientry-idm81235">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-idm6592">char, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm6586">character, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm43600">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-idm6588">character varying, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm12140">character_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12127">char_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm2605">check constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt id="ientry-idm103571">CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm56370">checkpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm94078">CHECKPOINT, <a class="indexterm" href="sql-checkpoint.html">CHECKPOINT</a></dt><dt id="ientry-idm40046">checkpoint_completion_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40056">checkpoint_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40035">checkpoint_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40074">checkpoint_warning configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm56281">checksums, <a class="indexterm" href="checksums.html">Data Checksums</a></dt><dt id="ientry-idm43130">check_function_bodies configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm12455">chr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm9895">cid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm8301">cidr, <a class="indexterm" href="datatype-net-types.html#DATATYPE-CIDR">cidr</a></dt><dt id="ientry-idm8216">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-idm163777">citext, <a class="indexterm" href="citext.html">citext</a></dt><dt id="ientry-idm38778">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-idm38755">client_connection_check_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm43597">client_encoding configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm42967">client_min_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17167">clock_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm94110">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-idm94180">CLUSTER, <a class="indexterm" href="sql-cluster.html">CLUSTER</a></dt><dt id="ientry-idm113305">clusterdb, <a class="indexterm" href="app-clusterdb.html">clusterdb</a></dt><dt id="ientry-idm50017">clustering, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm42588">cluster_name configuration parameter, <a class="indexterm" href="runtime-config-logging.html#id-1.6.7.11.8">Process Title</a></dt><dt id="ientry-idm2885">cmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2871">cmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm23332">COALESCE, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm2244">COLLATE, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-COLLATE-EXPRS">Collation Expressions</a></dt><dt id="ientry-idm46845">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#id-1.8.3.8.21">SQL Functions with Collations</a></dt></dl></dd><dt id="ientry-idm27565">COLLATION FOR, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm175182">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#id-1.5.4.8.11">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-idm2999">column data type</dt><dd><dl><dt>changing, <a class="indexterm" href="ddl-alter.html#id-1.5.4.8.10">Changing a Column's Data Type</a></dt></dl></dd><dt id="ientry-idm1798">column reference, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-COLUMN-REFS">Column References</a></dt><dt id="ientry-idm27955">col_description, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm1599">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">System Information Functions and Operators</a></dt><dt>in SQL, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-COMMENTS">Comments</a></dt></dl></dd><dt id="ientry-idm94307">COMMENT, <a class="indexterm" href="sql-comment.html">COMMENT</a></dt><dt id="ientry-idm94543">COMMIT, <a class="indexterm" href="sql-commit.html">COMMIT</a></dt><dt id="ientry-idm94601">COMMIT PREPARED, <a class="indexterm" href="sql-commit-prepared.html">COMMIT PREPARED</a></dt><dt id="ientry-idm40003">commit_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40022">commit_siblings configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm5567">common table expression (see <a href="#ientry-idm5564">WITH</a>)</dt><dt id="ientry-idm10456">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-idm62317">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-idm2313">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#id-1.5.7.24.6">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-idm9579">computed field, <a class="indexterm" href="rowtypes.html#ROWTYPES-USAGE">Using Composite Types in Queries</a></dt><dt id="ientry-idm42727">compute_query_id configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm12470">concat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12485">concat_ws, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm33500">concurrency, <a class="indexterm" href="mvcc.html">Concurrency Control</a></dt><dt id="ientry-idm23257">conditional expression, <a class="indexterm" href="functions-conditional.html">Conditional Expressions</a></dt><dt id="ientry-idm28559">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-idm35439">configure, <a class="indexterm" href="install-procedure.html#CONFIGURE">Installation Procedure</a></dt><dt id="ientry-idm36147">configure environment variables, <a class="indexterm" href="install-procedure.html#CONFIGURE-ENVVARS">configure Environment Variables</a></dt><dt id="ientry-idm35543">configure options, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS">configure Options</a></dt><dt id="ientry-idm38508">config_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm10366">conjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm171856">connectby, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5">Functions Provided</a>, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.8">connectby</a></dt><dt id="ientry-idm61920">connection service file, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm58080">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-idm2599">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#id-1.5.4.6.6">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-idm4265">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-idm41322">constraint_exclusion configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm73129">container type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm80634">CONTINUE</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#id-1.8.8.8.7.6">CONTINUE</a></dt></dl></dd><dt id="ientry-idm49629">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-idm76084">control file, <a class="indexterm" href="extend-extensions.html#id-1.8.3.20.11">Extension Files</a></dt><dt id="ientry-idm13937">convert, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13957">convert_from, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13975">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-idm24994">corr, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24992">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-idm11838">cos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11850">cosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11965">cosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11862">cot, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11874">cotd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm24718">count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25007">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-idm25010">covar_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25026">covar_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm31520">covering index, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm41111">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-idm41120">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-idm41102">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-idm95230">CREATE ACCESS METHOD, <a class="indexterm" href="sql-create-access-method.html">CREATE ACCESS METHOD</a></dt><dt id="ientry-idm95299">CREATE AGGREGATE, <a class="indexterm" href="sql-createaggregate.html">CREATE AGGREGATE</a></dt><dt id="ientry-idm95700">CREATE CAST, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt><dt id="ientry-idm95897">CREATE COLLATION, <a class="indexterm" href="sql-createcollation.html">CREATE COLLATION</a></dt><dt id="ientry-idm96023">CREATE CONVERSION, <a class="indexterm" href="sql-createconversion.html">CREATE CONVERSION</a></dt><dt id="ientry-idm46414">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-idm96345">CREATE DOMAIN, <a class="indexterm" href="sql-createdomain.html">CREATE DOMAIN</a></dt><dt id="ientry-idm96468">CREATE EVENT TRIGGER, <a class="indexterm" href="sql-createeventtrigger.html">CREATE EVENT TRIGGER</a></dt><dt id="ientry-idm96554">CREATE EXTENSION, <a class="indexterm" href="sql-createextension.html">CREATE EXTENSION</a></dt><dt id="ientry-idm96662">CREATE FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-createforeigndatawrapper.html">CREATE FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm96759">CREATE FOREIGN TABLE, <a class="indexterm" href="sql-createforeigntable.html">CREATE FOREIGN TABLE</a></dt><dt id="ientry-idm96989">CREATE FUNCTION, <a class="indexterm" href="sql-createfunction.html">CREATE FUNCTION</a></dt><dt id="ientry-idm97421">CREATE GROUP, <a class="indexterm" href="sql-creategroup.html">CREATE GROUP</a></dt><dt id="ientry-idm97460">CREATE INDEX, <a class="indexterm" href="sql-createindex.html">CREATE INDEX</a></dt><dt id="ientry-idm97934">CREATE LANGUAGE, <a class="indexterm" href="sql-createlanguage.html">CREATE LANGUAGE</a></dt><dt id="ientry-idm98058">CREATE MATERIALIZED VIEW, <a class="indexterm" href="sql-creatematerializedview.html">CREATE MATERIALIZED VIEW</a></dt><dt id="ientry-idm98171">CREATE OPERATOR, <a class="indexterm" href="sql-createoperator.html">CREATE OPERATOR</a></dt><dt id="ientry-idm98330">CREATE OPERATOR CLASS, <a class="indexterm" href="sql-createopclass.html">CREATE OPERATOR CLASS</a></dt><dt id="ientry-idm98493">CREATE OPERATOR FAMILY, <a class="indexterm" href="sql-createopfamily.html">CREATE OPERATOR FAMILY</a></dt><dt id="ientry-idm98552">CREATE POLICY, <a class="indexterm" href="sql-createpolicy.html">CREATE POLICY</a></dt><dt id="ientry-idm98956">CREATE PROCEDURE, <a class="indexterm" href="sql-createprocedure.html">CREATE PROCEDURE</a></dt><dt id="ientry-idm99162">CREATE PUBLICATION, <a class="indexterm" href="sql-createpublication.html">CREATE PUBLICATION</a></dt><dt id="ientry-idm45997">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-idm99642">CREATE RULE, <a class="indexterm" href="sql-createrule.html">CREATE RULE</a></dt><dt id="ientry-idm99818">CREATE SCHEMA, <a class="indexterm" href="sql-createschema.html">CREATE SCHEMA</a></dt><dt id="ientry-idm99929">CREATE SEQUENCE, <a class="indexterm" href="sql-createsequence.html">CREATE SEQUENCE</a></dt><dt id="ientry-idm100139">CREATE SERVER, <a class="indexterm" href="sql-createserver.html">CREATE SERVER</a></dt><dt id="ientry-idm100230">CREATE STATISTICS, <a class="indexterm" href="sql-createstatistics.html">CREATE STATISTICS</a></dt><dt id="ientry-idm100331">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-idm101805">CREATE TABLE AS, <a class="indexterm" href="sql-createtableas.html">CREATE TABLE AS</a></dt><dt id="ientry-idm46590">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-idm102114">CREATE TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-createtsconfig.html">CREATE TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm102173">CREATE TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-createtsdictionary.html">CREATE TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm102236">CREATE TEXT SEARCH PARSER, <a class="indexterm" href="sql-createtsparser.html">CREATE TEXT SEARCH PARSER</a></dt><dt id="ientry-idm102309">CREATE TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-createtstemplate.html">CREATE TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm102365">CREATE TRANSFORM, <a class="indexterm" href="sql-createtransform.html">CREATE TRANSFORM</a></dt><dt id="ientry-idm102465">CREATE TRIGGER, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dt id="ientry-idm102869">CREATE TYPE, <a class="indexterm" href="sql-createtype.html">CREATE TYPE</a></dt><dt id="ientry-idm103344">CREATE USER, <a class="indexterm" href="sql-createuser.html">CREATE USER</a></dt><dt id="ientry-idm103389">CREATE USER MAPPING, <a class="indexterm" href="sql-createusermapping.html">CREATE USER MAPPING</a></dt><dt id="ientry-idm103461">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-idm46012">createuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-createuser.html">createuser</a></dt><dt id="ientry-idm138278">CREATE_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm36008">cross compilation, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm4629">cross join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm171894">crosstab, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.5">crosstab(text)</a>, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.6">crosstabN(text)</a>, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.7">crosstab(text, text)</a></dt><dt id="ientry-idm168204">crypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.8.7">crypt()</a></dt><dt id="ientry-idm10168">cstring, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm122454">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-idm2892">ctid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm78924">CTID, <a class="indexterm" href="rules-views.html#id-1.8.6.7.6">View Rules in Non-SELECT Statements</a></dt><dt id="ientry-idm5146">CUBE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm163927">cube (extension), <a class="indexterm" href="cube.html">cube</a></dt><dt id="ientry-idm25470">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-idm26239">current_catalog, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26244">current_database, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm17179">current_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26381">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">System Information Functions and Operators</a></dt></dl></dd><dt id="ientry-idm26254">current_query, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26262">current_role, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26271">current_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26285">current_schemas, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28578">current_setting, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm17191">current_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17214">current_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26301">current_user, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm23204">currval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm80969">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-idm41346">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-idm142610">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-idm36462">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-idm36954">data area (see <a href="#ientry-idm620">database cluster</a>)</dt><dt id="ientry-idm50019">data partitioning, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm1501">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-idm50939">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-idm44117">data_checksums configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm38499">data_directory configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm44127">data_directory_mode configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44065">data_sync_retry configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm6919">date, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.5">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-idm15924">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm43487">DateStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm18077">date_bin, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-BIN">date_bin</a></dt><dt id="ientry-idm17250">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-idm17278">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-idm164352">dblink, <a class="indexterm" href="dblink.html">dblink</a>, <a class="indexterm" href="contrib-dblink-function.html">dblink</a></dt><dt id="ientry-idm165097">dblink_build_sql_delete, <a class="indexterm" href="contrib-dblink-build-sql-delete.html">dblink_build_sql_delete</a></dt><dt id="ientry-idm165036">dblink_build_sql_insert, <a class="indexterm" href="contrib-dblink-build-sql-insert.html">dblink_build_sql_insert</a></dt><dt id="ientry-idm165153">dblink_build_sql_update, <a class="indexterm" href="contrib-dblink-build-sql-update.html">dblink_build_sql_update</a></dt><dt id="ientry-idm164970">dblink_cancel_query, <a class="indexterm" href="contrib-dblink-cancel-query.html">dblink_cancel_query</a></dt><dt id="ientry-idm164709">dblink_close, <a class="indexterm" href="contrib-dblink-close.html">dblink_close</a></dt><dt id="ientry-idm164360">dblink_connect, <a class="indexterm" href="contrib-dblink-connect.html">dblink_connect</a></dt><dt id="ientry-idm164417">dblink_connect_u, <a class="indexterm" href="contrib-dblink-connect-u.html">dblink_connect_u</a></dt><dt id="ientry-idm164444">dblink_disconnect, <a class="indexterm" href="contrib-dblink-disconnect.html">dblink_disconnect</a></dt><dt id="ientry-idm164780">dblink_error_message, <a class="indexterm" href="contrib-dblink-error-message.html">dblink_error_message</a></dt><dt id="ientry-idm164543">dblink_exec, <a class="indexterm" href="contrib-dblink-exec.html">dblink_exec</a></dt><dt id="ientry-idm164657">dblink_fetch, <a class="indexterm" href="contrib-dblink-fetch.html">dblink_fetch</a></dt><dt id="ientry-idm164758">dblink_get_connections, <a class="indexterm" href="contrib-dblink-get-connections.html">dblink_get_connections</a></dt><dt id="ientry-idm164886">dblink_get_notify, <a class="indexterm" href="contrib-dblink-get-notify.html">dblink_get_notify</a></dt><dt id="ientry-idm165001">dblink_get_pkey, <a class="indexterm" href="contrib-dblink-get-pkey.html">dblink_get_pkey</a></dt><dt id="ientry-idm164920">dblink_get_result, <a class="indexterm" href="contrib-dblink-get-result.html">dblink_get_result</a></dt><dt id="ientry-idm164856">dblink_is_busy, <a class="indexterm" href="contrib-dblink-is-busy.html">dblink_is_busy</a></dt><dt id="ientry-idm164594">dblink_open, <a class="indexterm" href="contrib-dblink-open.html">dblink_open</a></dt><dt id="ientry-idm164817">dblink_send_query, <a class="indexterm" href="contrib-dblink-send-query.html">dblink_send_query</a></dt><dt id="ientry-idm38833">db_user_namespace configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm34221">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-idm43813">deadlock_timeout configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm103760">DEALLOCATE, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a></dt><dt id="ientry-idm168482">dearmor, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.16">armor(), dearmor()</a></dt><dt id="ientry-idm44139">debug_assertions configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44559">debug_deadlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44377">debug_discard_caches configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm41989">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-idm41965">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-idm41977">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-idm41971">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-idm6264">decimal (see <a href="#ientry-idm1485">numeric</a>)</dt><dt id="ientry-idm103811">DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt id="ientry-idm14015">decode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm82998">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-idm168606">decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm168610">decrypt_iv, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm97678">deduplicate_items storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm2518">default value, <a class="indexterm" href="ddl-default.html">Default Values</a></dt><dd><dl><dt>changing, <a class="indexterm" href="ddl-alter.html#id-1.5.4.8.9">Changing a Column's Default Value</a></dt></dl></dd><dt id="ientry-idm175283">default-roles, <a class="indexterm" href="default-roles.html">Default Roles Renamed to Predefined Roles</a></dt><dt id="ientry-idm41307">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-idm43065">default_tablespace configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43053">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-idm43656">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-idm43088">default_toast_compression configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43182">default_transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43147">default_transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43167">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-idm43179">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-idm166144">defined, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm11236">degrees, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm18275">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-idm166159">delete, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm4471">deleting, <a class="indexterm" href="dml-delete.html">Deleting Data</a></dt><dt id="ientry-idm25441">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-idm18982">diagonal, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm18995">diameter, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm165217">dict_int, <a class="indexterm" href="dict-int.html">dict_int</a></dt><dt id="ientry-idm165262">dict_xsyn, <a class="indexterm" href="dict-xsyn.html">dict_xsyn</a></dt><dt id="ientry-idm165616">difference, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.6">Soundex</a></dt><dt id="ientry-idm168104">digest, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.7.2">digest()</a></dt><dt id="ientry-idm33539">dirty read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm104176">DISCARD, <a class="indexterm" href="sql-discard.html">DISCARD</a></dt><dt id="ientry-idm10368">disjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm56545">disk drive, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm48974">disk space, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-SPACE-RECOVERY">Recovering Disk Space</a></dt><dt id="ientry-idm56146">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-idm11248">div, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm165663">dmetaphone, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.9">Double Metaphone</a></dt><dt id="ientry-idm165665">dmetaphone_alt, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.9">Double Metaphone</a></dt><dt id="ientry-idm104231">DO, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm31800">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-idm9845">domain, <a class="indexterm" href="domains.html">Domain Types</a></dt><dt id="ientry-idm6371">double precision, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm104295">DROP ACCESS METHOD, <a class="indexterm" href="sql-drop-access-method.html">DROP ACCESS METHOD</a></dt><dt id="ientry-idm104351">DROP AGGREGATE, <a class="indexterm" href="sql-dropaggregate.html">DROP AGGREGATE</a></dt><dt id="ientry-idm104451">DROP CAST, <a class="indexterm" href="sql-dropcast.html">DROP CAST</a></dt><dt id="ientry-idm104510">DROP COLLATION, <a class="indexterm" href="sql-dropcollation.html">DROP COLLATION</a></dt><dt id="ientry-idm104570">DROP CONVERSION, <a class="indexterm" href="sql-dropconversion.html">DROP CONVERSION</a></dt><dt id="ientry-idm46561">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-idm104686">DROP DOMAIN, <a class="indexterm" href="sql-dropdomain.html">DROP DOMAIN</a></dt><dt id="ientry-idm104744">DROP EVENT TRIGGER, <a class="indexterm" href="sql-dropeventtrigger.html">DROP EVENT TRIGGER</a></dt><dt id="ientry-idm104801">DROP EXTENSION, <a class="indexterm" href="sql-dropextension.html">DROP EXTENSION</a></dt><dt id="ientry-idm104867">DROP FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-dropforeigndatawrapper.html">DROP FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm104926">DROP FOREIGN TABLE, <a class="indexterm" href="sql-dropforeigntable.html">DROP FOREIGN TABLE</a></dt><dt id="ientry-idm104985">DROP FUNCTION, <a class="indexterm" href="sql-dropfunction.html">DROP FUNCTION</a></dt><dt id="ientry-idm105087">DROP GROUP, <a class="indexterm" href="sql-dropgroup.html">DROP GROUP</a></dt><dt id="ientry-idm105115">DROP INDEX, <a class="indexterm" href="sql-dropindex.html">DROP INDEX</a></dt><dt id="ientry-idm105186">DROP LANGUAGE, <a class="indexterm" href="sql-droplanguage.html">DROP LANGUAGE</a></dt><dt id="ientry-idm105251">DROP MATERIALIZED VIEW, <a class="indexterm" href="sql-dropmaterializedview.html">DROP MATERIALIZED VIEW</a></dt><dt id="ientry-idm105311">DROP OPERATOR, <a class="indexterm" href="sql-dropoperator.html">DROP OPERATOR</a></dt><dt id="ientry-idm105388">DROP OPERATOR CLASS, <a class="indexterm" href="sql-dropopclass.html">DROP OPERATOR CLASS</a></dt><dt id="ientry-idm105464">DROP OPERATOR FAMILY, <a class="indexterm" href="sql-dropopfamily.html">DROP OPERATOR FAMILY</a></dt><dt id="ientry-idm105537">DROP OWNED, <a class="indexterm" href="sql-drop-owned.html">DROP OWNED</a></dt><dt id="ientry-idm105599">DROP POLICY, <a class="indexterm" href="sql-droppolicy.html">DROP POLICY</a></dt><dt id="ientry-idm105662">DROP PROCEDURE, <a class="indexterm" href="sql-dropprocedure.html">DROP PROCEDURE</a></dt><dt id="ientry-idm105781">DROP PUBLICATION, <a class="indexterm" href="sql-droppublication.html">DROP PUBLICATION</a></dt><dt id="ientry-idm45999">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-idm105897">DROP ROUTINE, <a class="indexterm" href="sql-droproutine.html">DROP ROUTINE</a></dt><dt id="ientry-idm105971">DROP RULE, <a class="indexterm" href="sql-droprule.html">DROP RULE</a></dt><dt id="ientry-idm106035">DROP SCHEMA, <a class="indexterm" href="sql-dropschema.html">DROP SCHEMA</a></dt><dt id="ientry-idm106099">DROP SEQUENCE, <a class="indexterm" href="sql-dropsequence.html">DROP SEQUENCE</a></dt><dt id="ientry-idm106159">DROP SERVER, <a class="indexterm" href="sql-dropserver.html">DROP SERVER</a></dt><dt id="ientry-idm106218">DROP STATISTICS, <a class="indexterm" href="sql-dropstatistics.html">DROP STATISTICS</a></dt><dt id="ientry-idm106270">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-idm106400">DROP TABLESPACE, <a class="indexterm" href="sql-droptablespace.html">DROP TABLESPACE</a></dt><dt id="ientry-idm106454">DROP TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-droptsconfig.html">DROP TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm106513">DROP TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-droptsdictionary.html">DROP TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm106571">DROP TEXT SEARCH PARSER, <a class="indexterm" href="sql-droptsparser.html">DROP TEXT SEARCH PARSER</a></dt><dt id="ientry-idm106629">DROP TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-droptstemplate.html">DROP TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm106687">DROP TRANSFORM, <a class="indexterm" href="sql-droptransform.html">DROP TRANSFORM</a></dt><dt id="ientry-idm106752">DROP TRIGGER, <a class="indexterm" href="sql-droptrigger.html">DROP TRIGGER</a></dt><dt id="ientry-idm106817">DROP TYPE, <a class="indexterm" href="sql-droptype.html">DROP TYPE</a></dt><dt id="ientry-idm106877">DROP USER, <a class="indexterm" href="sql-dropuser.html">DROP USER</a></dt><dt id="ientry-idm106906">DROP USER MAPPING, <a class="indexterm" href="sql-dropusermapping.html">DROP USER MAPPING</a></dt><dt id="ientry-idm106967">DROP VIEW, <a class="indexterm" href="sql-dropview.html">DROP VIEW</a></dt><dt id="ientry-idm46571">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-idm46014">dropuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-dropuser.html">dropuser</a></dt><dt id="ientry-idm138585">DROP_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm8657">DTD, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm36127">DTrace, <a class="indexterm" href="install-procedure.html#CONFIGURE-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-idm5314">duplicates, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt><dt id="ientry-idm43770">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-idm73993">dynamic_library_path, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm43767">dynamic_library_path configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a></dt><dt id="ientry-idm39323">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-idm166112">each, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm165365">earth, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm165319">earthdistance, <a class="indexterm" href="earthdistance.html">earthdistance</a></dt><dt id="ientry-idm165429">earth_box, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm165419">earth_distance, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm62804">ECPG, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dt id="ientry-idm114544">ecpg, <a class="indexterm" href="app-ecpg.html">ecpg</a></dt><dt id="ientry-idm41170">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-idm39536">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-idm82386">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-idm62799">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-idm69430">enabled role, <a class="indexterm" href="infoschema-enabled-roles.html">enabled_roles</a></dt><dt id="ientry-idm40854">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-idm40866">enable_bitmapscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40876">enable_gathermerge configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40886">enable_hashagg configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40896">enable_hashjoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40906">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-idm40928">enable_indexonlyscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40918">enable_indexscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40939">enable_material configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40949">enable_memoize configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40959">enable_mergejoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40969">enable_nestloop configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40979">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-idm40989">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-idm41020">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-idm41010">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-idm40999">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-idm41033">enable_seqscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41043">enable_sort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41053">enable_tidscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm13993">encode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm83048">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-idm83020">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-idm83009">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-idm83038">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-idm168604">encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm37938">encryption, <a class="indexterm" href="encryption-options.html">Encryption Options</a>, <a class="indexterm" href="pgcrypto.html">pgcrypto</a></dt><dd><dl><dt>for specific columns, <a class="indexterm" href="pgcrypto.html">pgcrypto</a></dt></dl></dd><dt id="ientry-idm168608">encrypt_iv, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm107025">END, <a class="indexterm" href="sql-end.html">END</a></dt><dt id="ientry-idm7941">enumerated types, <a class="indexterm" href="datatype-enum.html">Enumerated Types</a></dt><dt id="ientry-idm18312">enum_first, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18324">enum_last, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18336">enum_range, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm61617">environment variable, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm85970">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-idm140874">ereport, <a class="indexterm" href="error-message-reporting.html">Reporting Errors Within the Server</a></dt><dt id="ientry-idm59471">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-idm58918">error message, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm14046">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-idm43930">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-idm59867">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-idm38243">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-idm77187">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-idm41707">event_source configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm10154">event_trigger, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24736">every, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5351">EXCEPT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm80784">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-idm2829">exclusion constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION">Exclusion Constraints</a></dt><dt id="ientry-idm107088">EXECUTE, <a class="indexterm" href="sql-execute.html">EXECUTE</a></dt><dt id="ientry-idm166130">exist, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm25725">EXISTS, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dt id="ientry-idm80602">EXIT</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#id-1.8.8.8.7.5">EXIT</a></dt></dl></dd><dt id="ientry-idm44043">exit_on_error configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm11265">exp, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm34378">EXPLAIN, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a>, <a class="indexterm" href="sql-explain.html">EXPLAIN</a></dt><dt id="ientry-idm1742">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-idm73076">extending SQL, <a class="indexterm" href="extend.html">Extending SQL</a></dt><dt id="ientry-idm76035">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-idm38540">external_pid_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm17317">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-idm43573">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-idm11282">factorial, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm50011">failover, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm7858">false, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm19604">family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm60643">fast path, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm97718">fastupdate storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm10160">fdw_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm107351">FETCH, <a class="indexterm" href="sql-fetch.html">FETCH</a></dt><dt id="ientry-idm9581">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-idm1843">field selection, <a class="indexterm" href="sql-expressions.html#FIELD-SELECTION">Field Selection</a></dt><dt id="ientry-idm37053">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-idm165469">file_fdw, <a class="indexterm" href="file-fdw.html">file_fdw</a></dt><dt id="ientry-idm97656">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-idm1921">FILTER, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm25649">first_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm35389">flex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm6373">float4 (see <a href="#ientry-idm6369">real</a>)</dt><dt id="ientry-idm6376">float8 (see <a href="#ientry-idm6371">double precision</a>)</dt><dt id="ientry-idm6379">floating point, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm43570">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-idm11294">floor, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm44396">force_parallel_mode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm4309">foreign data, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm141495">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-idm4311">foreign table, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm12502">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-idm15924">formatting, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27170">format_type, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm147622">Free Space Map, <a class="indexterm" href="storage-fsm.html">Free Space Map</a></dt><dt id="ientry-idm37149">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-idm41356">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-idm147624">FSM (see <a href="#ientry-idm147622">Free Space Map</a>)</dt><dt id="ientry-idm167639">fsm_page_contents, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm39711">fsync configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm8515">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-idm39870">full_page_writes configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm1887">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-idm5103">functional dependency, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm165596">fuzzystrmatch, <a class="indexterm" href="fuzzystrmatch.html">fuzzystrmatch</a></dt></dl></div><div class="indexdiv" id="indexdiv-G"><h3>G</h3><dl><dt id="ientry-idm11313">gcd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm165382">gc_to_sec, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm2546">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-idm26103">generate_series, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm26185">generate_subscripts, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm41228">genetic query optimization, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm168656">gen_random_bytes, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.11">Random-Data Functions</a></dt><dt id="ientry-idm20691">gen_random_uuid, <a class="indexterm" href="functions-uuid.html">UUID Functions</a>, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.11">Random-Data Functions</a></dt><dt id="ientry-idm168220">gen_salt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.8.8">gen_salt()</a></dt><dt id="ientry-idm41230">GEQO (see <a href="#ientry-idm41228">genetic query optimization</a>)</dt><dt id="ientry-idm41233">geqo configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41255">geqo_effort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41276">geqo_generations configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41266">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-idm41295">geqo_seed configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41286">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-idm41243">geqo_threshold configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm13674">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-idm13690">get_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm19988">get_current_ts_config, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm167586">get_raw_page, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm31255">GIN (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm29827">gin_clean_pending_list, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm43794">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-idm167852">gin_leafpage_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm167832">gin_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm167842">gin_page_opaque_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm43470">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-idm31216">GiST (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm167875">gist_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm167885">gist_page_items_bytea, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm167865">gist_page_opaque_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm82231">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-idm3030">GRANT, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-grant.html">GRANT</a></dt><dt id="ientry-idm23393">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-idm150575">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-idm5060">grouping, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm25494">GROUPING, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5144">GROUPING SETS, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm38177">gssapi, <a class="indexterm" href="gssapi-enc.html">Secure TCP/IP Connections with GSSAPI Encryption</a></dt><dt id="ientry-idm45482">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-idm8613">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-idm31206">hash (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm167928">hash_bitmap_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm39228">hash_mem_multiplier configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm167938">hash_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm167918">hash_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm167908">hash_page_stats, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm167898">hash_page_type, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm26563">has_any_column_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26584">has_column_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26610">has_database_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26632">has_foreign_data_wrapper_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26650">has_function_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26672">has_language_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26690">has_parameter_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26708">has_schema_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26727">has_sequence_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26747">has_server_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26789">has_tablespace_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26765">has_table_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26807">has_type_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</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-idm38519">hba_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm167655">heap_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm167686">heap_page_item_attrs, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm167700">heap_tuple_infomask_flags, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm19007">height, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm14056">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-idm50009">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-idm168123">hmac, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.7.3">hmac()</a></dt><dt id="ientry-idm19618">host, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm58184">host
name, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm19630">hostmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm50600">hot standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm40682">hot_standby configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm40746">hot_standby_feedback configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm37474">HP-UX</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></dl></dd><dt id="ientry-idm165673">hstore, <a class="indexterm" href="hstore.html">hstore</a>, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166010">hstore_to_array, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166036">hstore_to_json, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166053">hstore_to_jsonb, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166084">hstore_to_jsonb_loose, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166070">hstore_to_json_loose, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166023">hstore_to_matrix, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm39120">huge_pages configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm39156">huge_page_size configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm25399">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-idm166376">icount, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm35733">ICU, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="locale.html#id-1.6.11.3.7">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-idm45640">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-idm138200">IDENTIFY_SYSTEM, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm38529">ident_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm43298">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-idm43309">idle_session_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm166449">idx, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm23336">IFNULL, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm44616">ignore_checksum_failure configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44646">ignore_invalid_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44422">ignore_system_indexes configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm73860">IMMUTABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm107839">IMPORT FOREIGN SCHEMA, <a class="indexterm" href="sql-importforeignschema.html">IMPORT FOREIGN SCHEMA</a></dt><dt id="ientry-idm25727">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-idm31550">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-idm38445">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-idm38462">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-idm38453">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-idm31128">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#id-1.11.7.32.6">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-idm142929">Index Access Method, <a class="indexterm" href="indexam.html">Index Access Method Interface Definition</a></dt><dt id="ientry-idm40916">index scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm31515">index-only scan, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm142931">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-idm10164">index_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm8285">inet (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-INET">inet</a></dt><dt id="ientry-idm26312">inet_client_addr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26321">inet_client_port, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm19642">inet_merge, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm19655">inet_same_family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm26330">inet_server_addr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26339">inet_server_port, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm6312">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-idm67454">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-idm12519">initcap, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm36971">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-idm147660">Initialization Fork, <a class="indexterm" href="storage-init.html">The Initialization Fork</a></dt><dt id="ientry-idm75072">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-idm4408">inserting, <a class="indexterm" href="dml-insert.html">Inserting Data</a></dt><dt id="ientry-idm35211">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-idm82145">instr function, <a class="indexterm" href="plpgsql-porting.html#PLPGSQL-PORTING-APPENDIX">Appendix</a></dt><dt id="ientry-idm6233">int2 (see <a href="#ientry-idm6226">smallint</a>)</dt><dt id="ientry-idm6230">int4 (see <a href="#ientry-idm1481">integer</a>)</dt><dt id="ientry-idm6236">int8 (see <a href="#ientry-idm1483">bigint</a>)</dt><dt id="ientry-idm166304">intagg, <a class="indexterm" href="intagg.html">intagg</a></dt><dt id="ientry-idm166346">intarray, <a class="indexterm" href="intarray.html">intarray</a></dt><dt id="ientry-idm1481">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-idm44154">integer_datetimes configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm173080">interfaces</dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-interfaces.html">Client Interfaces</a></dt></dl></dd><dt id="ientry-idm10170">internal, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm5349">INTERSECT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm6935">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-idm15924">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm43514">IntervalStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm166495">intset, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm166311">int_array_aggregate, <a class="indexterm" href="intagg.html#id-1.11.7.28.4">Functions</a></dt><dt id="ientry-idm166318">int_array_enum, <a class="indexterm" href="intagg.html#id-1.11.7.28.4">Functions</a></dt><dt id="ientry-idm25295">inverse distribution, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm44166">in_hot_standby configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm143756">in_range support functions, <a class="indexterm" href="btree-support-funcs.html">B-Tree Support Functions</a></dt><dt id="ientry-idm10785">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-idm20897">IS DOCUMENT, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.6.3">IS DOCUMENT</a></dt><dt id="ientry-idm10853">IS FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10787">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-idm20909">IS NOT DOCUMENT, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.6.4">IS NOT DOCUMENT</a></dt><dt id="ientry-idm10855">IS NOT FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10807">IS NOT NULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10851">IS NOT TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10859">IS NOT UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10805">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-idm10849">IS TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10857">IS UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm19019">isclosed, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm24338">isempty, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm17345">isfinite, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm166685">isn, <a class="indexterm" href="isn.html">isn</a></dt><dt id="ientry-idm10809">ISNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm166812">isn_weak, <a class="indexterm" href="isn.html#id-1.11.7.30.7">Functions and Operators</a></dt><dt id="ientry-idm19031">isopen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm83073">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-idm166836">is_valid, <a class="indexterm" href="isn.html#id-1.11.7.30.7">Functions and Operators</a></dt></dl></div><div class="indexdiv" id="indexdiv-J"><h3>J</h3><dl><dt id="ientry-idm57110">JIT, <a class="indexterm" href="jit.html">Just-in-Time Compilation (JIT)</a></dt><dt id="ientry-idm41370">jit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm41185">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-idm44660">jit_debugging_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44671">jit_dump_bitcode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44684">jit_expressions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm41198">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-idm41210">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-idm44695">jit_profiling_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43750">jit_provider configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm44707">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-idm41383">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-idm8708">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-idm8710">JSONB, <a class="indexterm" href="datatype-json.html">JSON Types</a></dt><dt id="ientry-idm8841">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-idm24753">jsonb_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21856">jsonb_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21875">jsonb_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21895">jsonb_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21757">jsonb_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21779">jsonb_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21920">jsonb_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21947">jsonb_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21976">jsonb_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22003">jsonb_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22239">jsonb_insert, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21800">jsonb_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24774">jsonb_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22027">jsonb_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22290">jsonb_path_exists, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22416">jsonb_path_exists_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22317">jsonb_path_match, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22431">jsonb_path_match_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22342">jsonb_path_query, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22367">jsonb_path_query_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22461">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-idm22391">jsonb_path_query_first, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22476">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-idm22446">jsonb_path_query_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22049">jsonb_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22104">jsonb_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22500">jsonb_pretty, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22172">jsonb_set, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22204">jsonb_set_lax, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22278">jsonb_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22130">jsonb_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22155">jsonb_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20223">jsonb_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22519">jsonb_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm9047">jsonpath, <a class="indexterm" href="datatype-json.html#DATATYPE-JSONPATH">jsonpath Type</a></dt><dt id="ientry-idm24747">json_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21850">json_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21869">json_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21889">json_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21750">json_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21772">json_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21910">json_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21937">json_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21966">json_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21993">json_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21794">json_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24765">json_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22021">json_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22040">json_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22095">json_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22272">json_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22124">json_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22149">json_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20211">json_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22513">json_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm150598">Julian date, <a class="indexterm" href="datetime-julian-dates.html">Julian Dates</a></dt><dt id="ientry-idm57113">Just-In-Time compilation (see <a href="#ientry-idm57110">JIT</a>)</dt><dt id="ientry-idm17377">justify_days, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17389">justify_hours, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17401">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-idm38822">krb_caseins_users configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm38808">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-idm4813">label (see <a href="#ientry-idm810">alias</a>)</dt><dt id="ientry-idm25599">lag, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm10158">language_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm62398">large object, <a class="indexterm" href="largeobjects.html">Large Objects</a></dt><dt id="ientry-idm23219">lastval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm25660">last_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm4973">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-idm165401">latitude, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm167450">lca, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm11331">lcm, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm44177">lc_collate configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44187">lc_ctype configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43610">lc_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43623">lc_monetary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43634">lc_numeric configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43645">lc_time configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm35827">LDAP, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="auth-ldap.html">LDAP Authentication</a></dt><dt id="ientry-idm61951">LDAP connection parameter lookup, <a class="indexterm" href="libpq-ldap.html">LDAP Lookup of Connection Parameters</a></dt><dt id="ientry-idm36355">ldconfig, <a class="indexterm" href="install-post.html#INSTALL-POST-SHLIBS">Shared Libraries</a></dt><dt id="ientry-idm25624">lead, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm23395">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-idm12531">left, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4714">left join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm12132">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-idm32413">length(tsvector), <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm165628">levenshtein, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.7">Levenshtein</a></dt><dt id="ientry-idm165630">levenshtein_less_equal, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.7">Levenshtein</a></dt><dt id="ientry-idm35391">lex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm35277">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-idm35311">libperl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm57617">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-idm57644">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-idm58691">libpq-int.h, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm35334">libpython, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm74023">library initialization function, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm14381">LIKE, <a class="indexterm" href="functions-matching.html#FUNCTIONS-LIKE">LIKE</a></dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm15764">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-idm5481">LIMIT, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm8059">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-idm8099">line segment, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LSEG">Line Segments</a></dt><dt id="ientry-idm24975">linear regression, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm37163">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-idm108345">LISTEN, <a class="indexterm" href="sql-listen.html">LISTEN</a></dt><dt id="ientry-idm38577">listen_addresses configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm35765">llvm-config, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dt id="ientry-idm165391">ll_to_earth, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm11349">ln, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm166896">lo, <a class="indexterm" href="lo.html">lo</a></dt><dt id="ientry-idm108415">LOAD, <a class="indexterm" href="sql-load.html">LOAD</a></dt><dt id="ientry-idm50015">load balancing, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm37039">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-idm17415">localtime, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17438">localtimestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm43688">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-idm33809">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-idm33823">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-idm43277">lock_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11365">log, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm50259">log shipping, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm11381">log10, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm26378">Logging</dt><dd><dl><dt>current_logfiles file and the pg_current_logfile
function, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt>pg_current_logfile function, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt></dl></dd><dt id="ientry-idm41500">logging_collector configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm87197">Logical Decoding, <a class="indexterm" href="logicaldecoding.html">Logical Decoding</a>, <a class="indexterm" href="logicaldecoding-explanation.html#id-1.8.14.8.2">Logical Decoding</a></dt><dt id="ientry-idm39279">logical_decoding_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm46044">login privilege, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt id="ientry-idm42003">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-idm44571">log_btree_build_stats configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42018">log_checkpoints configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42028">log_connections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41441">log_destination configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41521">log_directory configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm42043">log_disconnections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42055">log_duration configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42075">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-idm42769">log_executor_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm41533">log_filename configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41566">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-idm42096">log_hostname configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42106">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-idm42261">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-idm41795">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-idm41774">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-idm41749">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-idm41723">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-idm42286">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-idm42300">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-idm42757">log_parser_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42763">log_planner_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42273">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-idm42349">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-idm41585">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-idm41596">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-idm41845">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-idm42312">log_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41814">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-idm42751">log_statement_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42361">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-idm42371">log_timezone configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41829">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-idm41607">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-idm165410">longitude, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm83061">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-idm80572">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-idm12152">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#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm24350">lower_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24374">lower_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm62673">lo_close, <a class="indexterm" href="lo-interfaces.html#LO-CLOSE">Closing a Large Object Descriptor</a></dt><dt id="ientry-idm43945">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-idm62474">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-idm62463">lo_create, <a class="indexterm" href="lo-interfaces.html#LO-CREATE">Creating a Large Object</a></dt><dt id="ientry-idm62521">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-idm62704">lo_from_bytea, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62739">lo_get, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62498">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-idm62504">lo_import_with_oid, <a class="indexterm" href="lo-interfaces.html#LO-IMPORT">Importing a Large Object</a></dt><dt id="ientry-idm62605">lo_lseek, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm62615">lo_lseek64, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm62529">lo_open, <a class="indexterm" href="lo-interfaces.html#LO-OPEN">Opening an Existing Large Object</a></dt><dt id="ientry-idm62721">lo_put, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62588">lo_read, <a class="indexterm" href="lo-interfaces.html#LO-READ">Reading Data from a Large Object</a></dt><dt id="ientry-idm62627">lo_tell, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm62631">lo_tell64, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm62642">lo_truncate, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm62659">lo_truncate64, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm62683">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-idm62571">lo_write, <a class="indexterm" href="lo-interfaces.html#LO-WRITE">Writing Data to a Large Object</a></dt><dt id="ientry-idm12561">lpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm8097">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-idm56519">LSN, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm166952">ltree, <a class="indexterm" href="ltree.html">ltree</a></dt><dt id="ientry-idm167439">ltree2text, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm12584">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-idm8414">MAC address (see macaddr)</dt><dt id="ientry-idm8443">MAC address (EUI-64 format) (see macaddr)</dt><dt id="ientry-idm8412">macaddr (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR">macaddr</a></dt><dt id="ientry-idm8441">macaddr8 (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR8">macaddr8</a></dt><dt id="ientry-idm19791">macaddr8_set7bit, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm36504">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-idm74012">magic block, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm48898">maintenance, <a class="indexterm" href="maintenance.html">Routine Database Maintenance Tasks</a></dt><dt id="ientry-idm39552">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-idm39244">maintenance_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm35247">make, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm26987">makeaclitem, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm17461">make_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17478">make_interval, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17510">make_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17527">make_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17550">make_timestamptz, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm166827">make_valid, <a class="indexterm" href="isn.html#id-1.11.7.30.7">Functions and Operators</a></dt><dt id="ientry-idm36385">MANPATH, <a class="indexterm" href="install-post.html#id-1.6.4.9.3">Environment Variables</a></dt><dt id="ientry-idm19668">masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm78998">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-idm135557">materialized views, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm24789">max, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38602">max_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm39373">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-idm44198">max_function_args configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44208">max_identifier_length configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44220">max_index_keys configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43827">max_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm40816">max_logical_replication_workers configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm39596">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-idm39612">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-idm39578">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-idm43866">max_pred_locks_per_page configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm43854">max_pred_locks_per_relation configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm43841">max_pred_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm39195">max_prepared_transactions configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40467">max_replication_slots configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40498">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-idm39291">max_stack_depth configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40693">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-idm40707">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-idm40828">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-idm40453">max_wal_senders configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40088">max_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm39564">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-idm12602">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-idm45416">MD5, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm2004">median, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm25326">percentile</a>)</dt></dl></dd><dt id="ientry-idm86509">memory context</dt><dd><dl><dt>in SPI, <a class="indexterm" href="spi-memory.html">Memory Management</a></dt></dl></dd><dt id="ientry-idm37630">memory overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm108595">MERGE, <a class="indexterm" href="sql-merge.html">MERGE</a></dt><dt id="ientry-idm165649">metaphone, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.8">Metaphone</a></dt><dt id="ientry-idm24807">min, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm36537">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-idm39340">min_dynamic_shared_memory configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm41158">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-idm41147">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-idm11413">min_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm40102">min_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm11425">mod, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25312">mode</dt><dd><dl><dt>statistical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm50936">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-idm108956">MOVE, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dt id="ientry-idm74900">moving-aggregate mode, <a class="indexterm" href="xaggr.html#XAGGR-MOVING-AGGREGATES">Moving-Aggregate Mode</a></dt><dt id="ientry-idm24519">multirange (function), <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm9621">multirange type, <a class="indexterm" href="rangetypes.html">Range Types</a></dt><dt id="ientry-idm33506">Multiversion Concurrency Control, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm49203">MultiXactId, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND">Multixacts and Wraparound</a></dt><dt id="ientry-idm33508">MVCC, <a class="indexterm" href="mvcc-intro.html">Introduction</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-idm6315">NaN (see <a href="#ientry-idm6318">not a number</a>)</dt><dt id="ientry-idm4761">natural join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm10370">negation, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm37188">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-idm19680">netmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm8240">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-idm23154">nextval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm37064">NFS, <a class="indexterm" href="creating-cluster.html#CREATING-CLUSTER-NFS">NFS</a></dt><dt id="ientry-idm167379">nlevel, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm34950">non-durable, <a class="indexterm" href="non-durability.html">Non-Durable Settings</a></dt><dt id="ientry-idm57772">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-idm33545">nonrepeatable read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm12164">normalize, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12089">normalized, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm171880">normal_rand, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.4">normal_rand</a></dt><dt id="ientry-idm10364">NOT (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm6318">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-idm25729">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-idm2660">not-null constraint, <a class="indexterm" href="ddl-constraints.html#id-1.5.4.6.6">Not-Null Constraints</a></dt><dt id="ientry-idm2403">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-idm61352">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-idm61365">notice processor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61360">notice receiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm60694">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-idm10811">NOTNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm17581">now, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm19057">npoints, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm25671">nth_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm25589">ntile, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm2523">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#id-1.8.11.10.4">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-idm23358">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-idm1485">numeric, <a class="indexterm" href="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-NUMERIC">Numeric Constants</a></dt><dt id="ientry-idm6260">numeric (data type), <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm20013">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-idm10888">num_nonnulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10901">num_nulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm23334">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-idm9866">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-idm27968">obj_description, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm15766">OCCURRENCES_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm12186">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-idm5483">OFFSET, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm9869">oid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm59844">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-idm172692">oid2name, <a class="indexterm" href="oid2name.html">oid2name</a></dt><dt id="ientry-idm167561">old_snapshot, <a class="indexterm" href="oldsnapshot.html">old_snapshot</a></dt><dt id="ientry-idm39637">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-idm108121">ON CONFLICT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm4600">ONLY, <a class="indexterm" href="queries-table-expressions.html#QUERIES-FROM">The FROM Clause</a></dt><dt id="ientry-idm37632">OOM, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm37156">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-idm35794">OpenSSL, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dd><dl><dt>(see also <a href="#ientry-idm37985">SSL</a>)</dt></dl></dd><dt id="ientry-idm1542">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-idm31609">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-idm31611">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-idm74807">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-idm10362">OR (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm81935">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#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm1917">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-idm75938">ordering operator, <a class="indexterm" href="xindex.html#XINDEX-OPCLASS-DEPENDENCIES">System Dependencies on Operator Classes</a></dt><dt id="ientry-idm26213">ordinality, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm4670">outer join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm75074">output function, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dt id="ientry-idm2031">OVER clause, <a class="indexterm" href="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS">Window Function Calls</a></dt><dt id="ientry-idm37634">overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm17641">OVERLAPS, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm12211">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-idm73820">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-idm3028">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-idm167576">pageinspect, <a class="indexterm" href="pageinspect.html">pageinspect</a></dt><dt id="ientry-idm97752">pages_per_range storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm167625">page_checksum, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm167609">page_header, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm74412">palloc, <a class="indexterm" href="xfunc-c.html#id-1.8.3.13.8">Writing Code</a></dt><dt id="ientry-idm35842">PAM, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a>, <a class="indexterm" href="auth-pam.html">PAM Authentication</a></dt><dt id="ientry-idm34980">parallel query, <a class="indexterm" href="parallel-query.html">Parallel Query</a></dt><dt id="ientry-idm39624">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-idm41129">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-idm41138">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-idm101338">parallel_workers storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1810">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-idm1789">parenthesis, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm12615">parse_ident, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4234">partition pruning, <a class="indexterm" href="ddl-partitioning.html#DDL-PARTITION-PRUNING">Partition Pruning</a></dt><dt id="ientry-idm3950">partitioned table, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm3945">partitioning, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm37027">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-idm61887">password file, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm167947">passwordcheck, <a class="indexterm" href="passwordcheck.html">passwordcheck</a></dt><dt id="ientry-idm38792">password_encryption configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm19267">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-idm36366">PATH, <a class="indexterm" href="install-post.html#id-1.6.4.9.3">Environment Variables</a></dt><dt id="ientry-idm8158">path (data type), <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.9">Paths</a></dt><dt id="ientry-idm14358">pattern matching, <a class="indexterm" href="functions-matching.html">Pattern Matching</a></dt><dt id="ientry-idm122863">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-idm19071">pclose, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45674">peer, <a class="indexterm" href="auth-peer.html">Peer Authentication</a></dt><dt id="ientry-idm25326">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-idm25455">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-idm34371">performance, <a class="indexterm" href="performance-tips.html">Performance Tips</a></dt><dt id="ientry-idm35405">perl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm82655">Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm3025">permission (see <a href="#ientry-idm3023">privilege</a>)</dt><dt id="ientry-idm74415">pfree, <a class="indexterm" href="xfunc-c.html#id-1.8.3.13.8">Writing Code</a></dt><dt id="ientry-idm61708">PGAPPNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm115705">pgbench, <a class="indexterm" href="pgbench.html">pgbench</a></dt><dt id="ientry-idm60585">PGcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm61678">PGCHANNELBINDING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61828">PGCLIENTENCODING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm57652">PGconn, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61821">PGCONNECT_TIMEOUT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm168086">pgcrypto, <a class="indexterm" href="pgcrypto.html">pgcrypto</a></dt><dt id="ientry-idm36988">PGDATA, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt><dt id="ientry-idm61648">PGDATABASE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61847">PGDATESTYLE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61519">PGEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-PROC">Event Callback Procedure</a></dt><dt id="ientry-idm61861">PGGEQO, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61800">PGGSSENCMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61814">PGGSSLIB, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61626">PGHOST, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61633">PGHOSTADDR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61807">PGKRBSRVNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61880">PGLOCALEDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61701">PGOPTIONS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61671">PGPASSFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61662">PGPASSWORD, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61641">PGPORT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm168493">pgp_armor_headers, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.17">pgp_armor_headers</a></dt><dt id="ientry-idm168458">pgp_key_id, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.15">pgp_key_id()</a></dt><dt id="ientry-idm168441">pgp_pub_decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.14">pgp_pub_decrypt()</a></dt><dt id="ientry-idm168443">pgp_pub_decrypt_bytea, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.14">pgp_pub_decrypt()</a></dt><dt id="ientry-idm168428">pgp_pub_encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.13">pgp_pub_encrypt()</a></dt><dt id="ientry-idm168430">pgp_pub_encrypt_bytea, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.13">pgp_pub_encrypt()</a></dt><dt id="ientry-idm168413">pgp_sym_decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.12">pgp_sym_decrypt()</a></dt><dt id="ientry-idm168415">pgp_sym_decrypt_bytea, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.12">pgp_sym_decrypt()</a></dt><dt id="ientry-idm168401">pgp_sym_encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.11">pgp_sym_encrypt()</a></dt><dt id="ientry-idm168403">pgp_sym_encrypt_bytea, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.11">pgp_sym_encrypt()</a></dt><dt id="ientry-idm61779">PGREQUIREPEER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61722">PGREQUIRESSL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm59279">PGresult, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm168886">pgrowlocks, <a class="indexterm" href="pgrowlocks.html">pgrowlocks</a>, <a class="indexterm" href="pgrowlocks.html#id-1.11.7.40.5">Overview</a></dt><dt id="ientry-idm61685">PGSERVICE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61692">PGSERVICEFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61737">PGSSLCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61730">PGSSLCOMPRESSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61758">PGSSLCRL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61765">PGSSLCRLDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61744">PGSSLKEY, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61793">PGSSLMAXPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61786">PGSSLMINPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61715">PGSSLMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61751">PGSSLROOTCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61772">PGSSLSNI, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm169693">pgstatginindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm169729">pgstathashindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm169603">pgstatindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm169496">pgstattuple, <a class="indexterm" href="pgstattuple.html">pgstattuple</a>, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm169809">pgstattuple_approx, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm61873">PGSYSCONFDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61835">PGTARGETSESSIONATTRS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61854">PGTZ, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61655">PGUSER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm76439">pgxs, <a class="indexterm" href="extend-pgxs.html">Extension Building Infrastructure</a></dt><dt id="ientry-idm30104">pg_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30121">pg_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30138">pg_advisory_unlock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30157">pg_advisory_unlock_all, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30165">pg_advisory_unlock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30184">pg_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30201">pg_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm128161">pg_aggregate, <a class="indexterm" href="catalog-pg-aggregate.html">pg_aggregate</a></dt><dt id="ientry-idm128375">pg_am, <a class="indexterm" href="catalog-pg-am.html">pg_am</a></dt><dt id="ientry-idm114706">pg_amcheck, <a class="indexterm" href="app-pgamcheck.html">pg_amcheck</a></dt><dt id="ientry-idm128429">pg_amop, <a class="indexterm" href="catalog-pg-amop.html">pg_amop</a></dt><dt id="ientry-idm128550">pg_amproc, <a class="indexterm" href="catalog-pg-amproc.html">pg_amproc</a></dt><dt id="ientry-idm124849">pg_archivecleanup, <a class="indexterm" href="pgarchivecleanup.html">pg_archivecleanup</a></dt><dt id="ientry-idm128622">pg_attrdef, <a class="indexterm" href="catalog-pg-attrdef.html">pg_attrdef</a></dt><dt id="ientry-idm128673">pg_attribute, <a class="indexterm" href="catalog-pg-attribute.html">pg_attribute</a></dt><dt id="ientry-idm128901">pg_authid, <a class="indexterm" href="catalog-pg-authid.html">pg_authid</a></dt><dt id="ientry-idm129024">pg_auth_members, <a class="indexterm" href="catalog-pg-auth-members.html">pg_auth_members</a></dt><dt id="ientry-idm134716">pg_available_extensions, <a class="indexterm" href="view-pg-available-extensions.html">pg_available_extensions</a></dt><dt id="ientry-idm134763">pg_available_extension_versions, <a class="indexterm" href="view-pg-available-extension-versions.html">pg_available_extension_versions</a></dt><dt id="ientry-idm134841">pg_backend_memory_contexts, <a class="indexterm" href="view-pg-backend-memory-contexts.html">pg_backend_memory_contexts</a></dt><dt id="ientry-idm26348">pg_backend_pid, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28786">pg_backup_start, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28802">pg_backup_stop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm115126">pg_basebackup, <a class="indexterm" href="app-pgbasebackup.html">pg_basebackup</a></dt><dt id="ientry-idm26356">pg_blocking_pids, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm167973">pg_buffercache, <a class="indexterm" href="pgbuffercache.html">pg_buffercache</a></dt><dt id="ientry-idm167977">pg_buffercache_pages, <a class="indexterm" href="pgbuffercache.html">pg_buffercache</a></dt><dt id="ientry-idm28643">pg_cancel_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm129080">pg_cast, <a class="indexterm" href="catalog-pg-cast.html">pg_cast</a></dt><dt id="ientry-idm27182">pg_char_to_encoding, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm124968">pg_checksums, <a class="indexterm" href="app-pgchecksums.html">pg_checksums</a></dt><dt id="ientry-idm129168">pg_class, <a class="indexterm" href="catalog-pg-class.html">pg_class</a></dt><dt id="ientry-idm12635">pg_client_encoding, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm129491">pg_collation, <a class="indexterm" href="catalog-pg-collation.html">pg_collation</a></dt><dt id="ientry-idm29689">pg_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27021">pg_collation_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm175189">PG_COLOR, <a class="indexterm" href="color-when.html">When Color is Used</a></dt><dt id="ientry-idm175204">PG_COLORS, <a class="indexterm" href="color-which.html">Configuring the Colors</a></dt><dt id="ientry-idm29496">pg_column_compression, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29487">pg_column_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm62338">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#id-1.8.3.13.8">Writing Code</a></dt></dl></dd><dt id="ientry-idm26368">pg_conf_load_time, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm129601">pg_constraint, <a class="indexterm" href="catalog-pg-constraint.html">pg_constraint</a></dt><dt id="ientry-idm125109">pg_controldata, <a class="indexterm" href="app-pgcontroldata.html">pg_controldata</a></dt><dt id="ientry-idm28290">pg_control_checkpoint, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28308">pg_control_init, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28317">pg_control_recovery, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28299">pg_control_system, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm129851">pg_conversion, <a class="indexterm" href="catalog-pg-conversion.html">pg_conversion</a></dt><dt id="ientry-idm27031">pg_conversion_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29182">pg_copy_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29158">pg_copy_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29132">pg_create_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29094">pg_create_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm28750">pg_create_restore_point, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm36994">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-idm26376">pg_current_logfile, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28048">pg_current_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28762">pg_current_wal_flush_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28770">pg_current_wal_insert_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28778">pg_current_wal_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28014">pg_current_xact_id, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28022">pg_current_xact_id_if_assigned, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm134952">pg_cursors, <a class="indexterm" href="view-pg-cursors.html">pg_cursors</a></dt><dt id="ientry-idm46517">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-idm29701">pg_database_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29506">pg_database_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm130074">pg_db_role_setting, <a class="indexterm" href="catalog-pg-db-role-setting.html">pg_db_role_setting</a></dt><dt id="ientry-idm10156">pg_ddl_command, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm130118">pg_default_acl, <a class="indexterm" href="catalog-pg-default-acl.html">pg_default_acl</a></dt><dt id="ientry-idm130187">pg_depend, <a class="indexterm" href="catalog-pg-depend.html">pg_depend</a></dt><dt id="ientry-idm27843">pg_describe_object, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130340">pg_description, <a class="indexterm" href="catalog-pg-description.html">pg_description</a></dt><dt id="ientry-idm29120">pg_drop_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm117728">pg_dump, <a class="indexterm" href="app-pgdump.html">pg_dump</a></dt><dt id="ientry-idm37836">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-idm27193">pg_encoding_to_char, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130394">pg_enum, <a class="indexterm" href="catalog-pg-enum.html">pg_enum</a></dt><dt id="ientry-idm130447">pg_event_trigger, <a class="indexterm" href="catalog-pg-event-trigger.html">pg_event_trigger</a></dt><dt id="ientry-idm30360">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-idm30435">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-idm30549">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-idm30557">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-idm29057">pg_export_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm130521">pg_extension, <a class="indexterm" href="catalog-pg-extension.html">pg_extension</a></dt><dt id="ientry-idm76272">pg_extension_config_dump, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-CONFIG-TABLES">Extension Configuration Tables</a></dt><dt id="ientry-idm29664">pg_filenode_relation, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm163024">pg_file_rename, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm135031">pg_file_settings, <a class="indexterm" href="view-pg-file-settings.html">pg_file_settings</a></dt><dt id="ientry-idm163018">pg_file_sync, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm163038">pg_file_unlink, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm163010">pg_file_write, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm130605">pg_foreign_data_wrapper, <a class="indexterm" href="catalog-pg-foreign-data-wrapper.html">pg_foreign_data_wrapper</a></dt><dt id="ientry-idm130675">pg_foreign_server, <a class="indexterm" href="catalog-pg-foreign-server.html">pg_foreign_server</a></dt><dt id="ientry-idm130748">pg_foreign_table, <a class="indexterm" href="catalog-pg-foreign-table.html">pg_foreign_table</a></dt><dt id="ientry-idm168794">pg_freespace, <a class="indexterm" href="pgfreespacemap.html#id-1.11.7.38.5">Functions</a></dt><dt id="ientry-idm168778">pg_freespacemap, <a class="indexterm" href="pgfreespacemap.html">pg_freespacemap</a></dt><dt id="ientry-idm27041">pg_function_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27203">pg_get_catalog_foreign_keys, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27230">pg_get_constraintdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27243">pg_get_expr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27258">pg_get_functiondef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27270">pg_get_function_arguments, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27281">pg_get_function_identity_arguments, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27292">pg_get_function_result, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27305">pg_get_indexdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27321">pg_get_keywords, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27912">pg_get_object_address, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27353">pg_get_ruledef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27366">pg_get_serial_sequence, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27386">pg_get_statisticsobjdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27396">pg_get_triggerdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27409">pg_get_userbyid, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27419">pg_get_viewdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28973">pg_get_wal_replay_pause_state, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28939">pg_get_wal_resource_managers, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm135107">pg_group, <a class="indexterm" href="view-pg-group.html">pg_group</a></dt><dt id="ientry-idm26827">pg_has_role, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm44883">pg_hba.conf, <a class="indexterm" href="auth-pg-hba-conf.html">The pg_hba.conf File</a></dt><dt id="ientry-idm135153">pg_hba_file_rules, <a class="indexterm" href="view-pg-hba-file-rules.html">pg_hba_file_rules</a></dt><dt id="ientry-idm45285">pg_ident.conf, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm27859">pg_identify_object, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27888">pg_identify_object_as_address, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135239">pg_ident_file_mappings, <a class="indexterm" href="view-pg-ident-file-mappings.html">pg_ident_file_mappings</a></dt><dt id="ientry-idm29713">pg_import_system_collations, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm130795">pg_index, <a class="indexterm" href="catalog-pg-index.html">pg_index</a></dt><dt id="ientry-idm27486">pg_indexam_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135299">pg_indexes, <a class="indexterm" href="view-pg-indexes.html">pg_indexes</a></dt><dt id="ientry-idm29521">pg_indexes_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27456">pg_index_column_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27472">pg_index_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130989">pg_inherits, <a class="indexterm" href="catalog-pg-inherits.html">pg_inherits</a></dt><dt id="ientry-idm131039">pg_init_privs, <a class="indexterm" href="catalog-pg-init-privs.html">pg_init_privs</a></dt><dt id="ientry-idm119099">pg_isready, <a class="indexterm" href="app-pg-isready.html">pg_isready</a></dt><dt id="ientry-idm28903">pg_is_in_recovery, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26416">pg_is_other_temp_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28965">pg_is_wal_replay_paused, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26425">pg_jit_available, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131110">pg_language, <a class="indexterm" href="catalog-pg-language.html">pg_language</a></dt><dt id="ientry-idm131200">pg_largeobject, <a class="indexterm" href="catalog-pg-largeobject.html">pg_largeobject</a></dt><dt id="ientry-idm131253">pg_largeobject_metadata, <a class="indexterm" href="catalog-pg-largeobject-metadata.html">pg_largeobject_metadata</a></dt><dt id="ientry-idm28263">pg_last_committed_xact, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28911">pg_last_wal_receive_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28920">pg_last_wal_replay_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28929">pg_last_xact_replay_timestamp, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26437">pg_listening_channels, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135359">pg_locks, <a class="indexterm" href="view-pg-locks.html">pg_locks</a></dt><dt id="ientry-idm163043">pg_logdir_ls, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm29446">pg_logical_emit_message, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29261">pg_logical_slot_get_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29209">pg_logical_slot_get_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29286">pg_logical_slot_peek_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29237">pg_logical_slot_peek_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm28654">pg_log_backend_memory_contexts, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm10105">pg_lsn, <a class="indexterm" href="datatype-pg-lsn.html">pg_lsn Type</a></dt><dt id="ientry-idm29974">pg_ls_archive_statusdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29867">pg_ls_dir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29888">pg_ls_logdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29920">pg_ls_logicalmapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29937">pg_ls_logicalsnapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29954">pg_ls_replslotdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29991">pg_ls_tmpdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29904">pg_ls_waldir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm135555">pg_matviews, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm30574">pg_mcv_list_items, <a class="indexterm" href="functions-statistics.html#FUNCTIONS-STATISTICS-MCV">Inspecting MCV Lists</a></dt><dt id="ientry-idm26408">pg_my_temp_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131294">pg_namespace, <a class="indexterm" href="catalog-pg-namespace.html">pg_namespace</a></dt><dt id="ientry-idm26445">pg_notification_queue_usage, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm109085">pg_notify, <a class="indexterm" href="sql-notify.html#id-1.9.3.158.7.5">pg_notify</a></dt><dt id="ientry-idm131339">pg_opclass, <a class="indexterm" href="catalog-pg-opclass.html">pg_opclass</a></dt><dt id="ientry-idm27051">pg_opclass_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131439">pg_operator, <a class="indexterm" href="catalog-pg-operator.html">pg_operator</a></dt><dt id="ientry-idm27061">pg_operator_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131584">pg_opfamily, <a class="indexterm" href="catalog-pg-opfamily.html">pg_opfamily</a></dt><dt id="ientry-idm27071">pg_opfamily_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27500">pg_options_to_table, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131651">pg_parameter_acl, <a class="indexterm" href="catalog-pg-parameter-acl.html">pg_parameter_acl</a></dt><dt id="ientry-idm131690">pg_partitioned_table, <a class="indexterm" href="catalog-pg-partitioned-table.html">pg_partitioned_table</a></dt><dt id="ientry-idm29757">pg_partition_ancestors, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29766">pg_partition_root, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29740">pg_partition_tree, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm135629">pg_policies, <a class="indexterm" href="view-pg-policies.html">pg_policies</a></dt><dt id="ientry-idm131783">pg_policy, <a class="indexterm" href="catalog-pg-policy.html">pg_policy</a></dt><dt id="ientry-idm26455">pg_postmaster_start_time, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135703">pg_prepared_statements, <a class="indexterm" href="view-pg-prepared-statements.html">pg_prepared_statements</a></dt><dt id="ientry-idm135776">pg_prepared_xacts, <a class="indexterm" href="view-pg-prepared-xacts.html">pg_prepared_xacts</a></dt><dt id="ientry-idm168822">pg_prewarm, <a class="indexterm" href="pgprewarm.html">pg_prewarm</a></dt><dt id="ientry-idm168861">pg_prewarm.autoprewarm configuration parameter, <a class="indexterm" href="pgprewarm.html#id-1.11.7.39.5">Configuration Parameters</a></dt><dt id="ientry-idm168871">pg_prewarm.autoprewarm_interval configuration parameter, <a class="indexterm" href="pgprewarm.html#id-1.11.7.39.5">Configuration Parameters</a></dt><dt id="ientry-idm131871">pg_proc, <a class="indexterm" href="catalog-pg-proc.html">pg_proc</a></dt><dt id="ientry-idm28984">pg_promote, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm132160">pg_publication, <a class="indexterm" href="catalog-pg-publication.html">pg_publication</a></dt><dt id="ientry-idm132239">pg_publication_namespace, <a class="indexterm" href="catalog-pg-publication-namespace.html">pg_publication_namespace</a></dt><dt id="ientry-idm132280">pg_publication_rel, <a class="indexterm" href="catalog-pg-publication-rel.html">pg_publication_rel</a></dt><dt id="ientry-idm135834">pg_publication_tables, <a class="indexterm" href="view-pg-publication-tables.html">pg_publication_tables</a></dt><dt id="ientry-idm132339">pg_range, <a class="indexterm" href="catalog-pg-range.html">pg_range</a></dt><dt id="ientry-idm30037">pg_read_binary_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30013">pg_read_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm119249">pg_receivewal, <a class="indexterm" href="app-pgreceivewal.html">pg_receivewal</a></dt><dt id="ientry-idm175324">pg_receivexlog, <a class="indexterm" href="app-pgreceivexlog.html">pg_receivexlog renamed to pg_receivewal</a> (see <a href="#ientry-idm119249">pg_receivewal</a>)</dt><dt id="ientry-idm119570">pg_recvlogical, <a class="indexterm" href="app-pgrecvlogical.html">pg_recvlogical</a></dt><dt id="ientry-idm29638">pg_relation_filenode, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29653">pg_relation_filepath, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29530">pg_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm28667">pg_reload_conf, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm169795">pg_relpages, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm132427">pg_replication_origin, <a class="indexterm" href="catalog-pg-replication-origin.html">pg_replication_origin</a></dt><dt id="ientry-idm29421">pg_replication_origin_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29328">pg_replication_origin_create, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29338">pg_replication_origin_drop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29348">pg_replication_origin_oid, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29433">pg_replication_origin_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29379">pg_replication_origin_session_is_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29387">pg_replication_origin_session_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29370">pg_replication_origin_session_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29359">pg_replication_origin_session_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm135897">pg_replication_origin_status, <a class="indexterm" href="view-pg-replication-origin-status.html">pg_replication_origin_status</a></dt><dt id="ientry-idm29412">pg_replication_origin_xact_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29398">pg_replication_origin_xact_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm135946">pg_replication_slots, <a class="indexterm" href="view-pg-replication-slots.html">pg_replication_slots</a></dt><dt id="ientry-idm29311">pg_replication_slot_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm125711">pg_resetwal, <a class="indexterm" href="app-pgresetwal.html">pg_resetwal</a></dt><dt id="ientry-idm175309">pg_resetxlog, <a class="indexterm" href="app-pgresetxlog.html">pg_resetxlog renamed to pg_resetwal</a> (see <a href="#ientry-idm125711">pg_resetwal</a>)</dt><dt id="ientry-idm119865">pg_restore, <a class="indexterm" href="app-pgrestore.html">pg_restore</a></dt><dt id="ientry-idm125951">pg_rewind, <a class="indexterm" href="app-pgrewind.html">pg_rewind</a></dt><dt id="ientry-idm132460">pg_rewrite, <a class="indexterm" href="catalog-pg-rewrite.html">pg_rewrite</a></dt><dt id="ientry-idm136095">pg_roles, <a class="indexterm" href="view-pg-roles.html">pg_roles</a></dt><dt id="ientry-idm28684">pg_rotate_logfile, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm136197">pg_rules, <a class="indexterm" href="view-pg-rules.html">pg_rules</a></dt><dt id="ientry-idm26463">pg_safe_snapshot_blocking_pids, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm132546">pg_seclabel, <a class="indexterm" href="catalog-pg-seclabel.html">pg_seclabel</a></dt><dt id="ientry-idm136254">pg_seclabels, <a class="indexterm" href="view-pg-seclabels.html">pg_seclabels</a></dt><dt id="ientry-idm132604">pg_sequence, <a class="indexterm" href="catalog-pg-sequence.html">pg_sequence</a></dt><dt id="ientry-idm136335">pg_sequences, <a class="indexterm" href="view-pg-sequences.html">pg_sequences</a></dt><dt id="ientry-idm61922">pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm136432">pg_settings, <a class="indexterm" href="view-pg-settings.html">pg_settings</a></dt><dt id="ientry-idm27518">pg_settings_get_flags, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm136653">pg_shadow, <a class="indexterm" href="view-pg-shadow.html">pg_shadow</a></dt><dt id="ientry-idm132679">pg_shdepend, <a class="indexterm" href="catalog-pg-shdepend.html">pg_shdepend</a></dt><dt id="ientry-idm132791">pg_shdescription, <a class="indexterm" href="catalog-pg-shdescription.html">pg_shdescription</a></dt><dt id="ientry-idm136741">pg_shmem_allocations, <a class="indexterm" href="view-pg-shmem-allocations.html">pg_shmem_allocations</a></dt><dt id="ientry-idm132839">pg_shseclabel, <a class="indexterm" href="catalog-pg-shseclabel.html">pg_shseclabel</a></dt><dt id="ientry-idm29561">pg_size_bytes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29571">pg_size_pretty, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm18267">pg_sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18269">pg_sleep_for, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18271">pg_sleep_until, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm28057">pg_snapshot_xip, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28066">pg_snapshot_xmax, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28076">pg_snapshot_xmin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm51302">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-idm51324">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-idm51280">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-idm51310">pg_statio_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51332">pg_statio_sys_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51288">pg_statio_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51317">pg_statio_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51339">pg_statio_user_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51295">pg_statio_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm34624">pg_statistic, <a class="indexterm" href="planner-stats.html#id-1.5.13.5.3">Single-Column Statistics</a>, <a class="indexterm" href="catalog-pg-statistic.html">pg_statistic</a></dt><dt id="ientry-idm27081">pg_statistics_obj_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm34671">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-idm34673">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-idm34636">pg_stats, <a class="indexterm" href="planner-stats.html#id-1.5.13.5.3">Single-Column Statistics</a>, <a class="indexterm" href="view-pg-stats.html">pg_stats</a></dt><dt id="ientry-idm136924">pg_stats_ext, <a class="indexterm" href="view-pg-stats-ext.html">pg_stats_ext</a></dt><dt id="ientry-idm137072">pg_stats_ext_exprs, <a class="indexterm" href="view-pg-stats-ext-exprs.html">pg_stats_ext_exprs</a></dt><dt id="ientry-idm51060">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-idm51258">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-idm51213">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-idm51173">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-idm51181">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-idm54554">pg_stat_clear_snapshot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51197">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-idm51205">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-idm30062">pg_stat_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm54512">pg_stat_get_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54679">pg_stat_get_backend_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54688">pg_stat_get_backend_activity_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54697">pg_stat_get_backend_client_addr, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54706">pg_stat_get_backend_client_port, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54715">pg_stat_get_backend_dbid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54671">pg_stat_get_backend_idset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54724">pg_stat_get_backend_pid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54733">pg_stat_get_backend_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54742">pg_stat_get_backend_userid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54761">pg_stat_get_backend_wait_event, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54751">pg_stat_get_backend_wait_event_type, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54772">pg_stat_get_backend_xact_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54523">pg_stat_get_snapshot_timestamp, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54533">pg_stat_get_xact_blocks_fetched, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54544">pg_stat_get_xact_blocks_hit, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51108">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-idm51116">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-idm51150">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-idm51141">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-idm51157">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-idm51124">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-idm51133">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-idm51084">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-idm51068">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-idm51371">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-idm54562">pg_stat_reset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54628">pg_stat_reset_replication_slot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54571">pg_stat_reset_shared, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54599">pg_stat_reset_single_function_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54589">pg_stat_reset_single_table_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54609">pg_stat_reset_slru, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54639">pg_stat_reset_subscription_stats, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51363">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-idm51100">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-idm168974">pg_stat_statements, <a class="indexterm" href="pgstatstatements.html">pg_stat_statements</a></dt><dd><dl><dt>function, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.8">Functions</a></dt></dl></dd><dt id="ientry-idm169416">pg_stat_statements.max configuration parameter, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.9">Configuration Parameters</a></dt><dt id="ientry-idm169470">pg_stat_statements.save configuration parameter, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.9">Configuration Parameters</a></dt><dt id="ientry-idm169428">pg_stat_statements.track configuration parameter, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.9">Configuration Parameters</a></dt><dt id="ientry-idm169458">pg_stat_statements.track_planning configuration parameter, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.9">Configuration Parameters</a></dt><dt id="ientry-idm169442">pg_stat_statements.track_utility configuration parameter, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.9">Configuration Parameters</a></dt><dt id="ientry-idm169342">pg_stat_statements_info, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.7">The pg_stat_statements_info View</a></dt><dt id="ientry-idm169379">pg_stat_statements_reset, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.8">Functions</a></dt><dt id="ientry-idm51092">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-idm51379">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-idm51266">pg_stat_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51221">pg_stat_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51346">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-idm51273">pg_stat_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51228">pg_stat_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51189">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-idm51076">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-idm51235">pg_stat_xact_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51244">pg_stat_xact_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51354">pg_stat_xact_user_functions, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51251">pg_stat_xact_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm133226">pg_subscription, <a class="indexterm" href="catalog-pg-subscription.html">pg_subscription</a></dt><dt id="ientry-idm133346">pg_subscription_rel, <a class="indexterm" href="catalog-pg-subscription-rel.html">pg_subscription_rel</a></dt><dt id="ientry-idm169900">pg_surgery, <a class="indexterm" href="pgsurgery.html">pg_surgery</a></dt><dt id="ientry-idm28830">pg_switch_wal, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm137231">pg_tables, <a class="indexterm" href="view-pg-tables.html">pg_tables</a></dt><dt id="ientry-idm133405">pg_tablespace, <a class="indexterm" href="catalog-pg-tablespace.html">pg_tablespace</a></dt><dt id="ientry-idm27530">pg_tablespace_databases, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27542">pg_tablespace_location, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29594">pg_tablespace_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27091">pg_table_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29585">pg_table_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm43015">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-idm28692">pg_terminate_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm126186">pg_test_fsync, <a class="indexterm" href="pgtestfsync.html">pg_test_fsync</a></dt><dt id="ientry-idm126264">pg_test_timing, <a class="indexterm" href="pgtesttiming.html">pg_test_timing</a></dt><dt id="ientry-idm137320">pg_timezone_abbrevs, <a class="indexterm" href="view-pg-timezone-abbrevs.html">pg_timezone_abbrevs</a></dt><dt id="ientry-idm137358">pg_timezone_names, <a class="indexterm" href="view-pg-timezone-names.html">pg_timezone_names</a></dt><dt id="ientry-idm29609">pg_total_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm133460">pg_transform, <a class="indexterm" href="catalog-pg-transform.html">pg_transform</a></dt><dt id="ientry-idm169931">pg_trgm, <a class="indexterm" href="pgtrgm.html">pg_trgm</a></dt><dt id="ientry-idm170182">pg_trgm.similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.7">GUC Parameters</a></dt><dt id="ientry-idm170203">pg_trgm.strict_word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.7">GUC Parameters</a></dt><dt id="ientry-idm170192">pg_trgm.word_similarity_threshold configuration parameter, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.7">GUC Parameters</a></dt><dt id="ientry-idm133520">pg_trigger, <a class="indexterm" href="catalog-pg-trigger.html">pg_trigger</a></dt><dt id="ientry-idm26477">pg_trigger_depth, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm30218">pg_try_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30237">pg_try_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30256">pg_try_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30275">pg_try_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm133707">pg_ts_config, <a class="indexterm" href="catalog-pg-ts-config.html">pg_ts_config</a></dt><dt id="ientry-idm27101">pg_ts_config_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm133769">pg_ts_config_map, <a class="indexterm" href="catalog-pg-ts-config-map.html">pg_ts_config_map</a></dt><dt id="ientry-idm133822">pg_ts_dict, <a class="indexterm" href="catalog-pg-ts-dict.html">pg_ts_dict</a></dt><dt id="ientry-idm27111">pg_ts_dict_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm133888">pg_ts_parser, <a class="indexterm" href="catalog-pg-ts-parser.html">pg_ts_parser</a></dt><dt id="ientry-idm27121">pg_ts_parser_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm133974">pg_ts_template, <a class="indexterm" href="catalog-pg-ts-template.html">pg_ts_template</a></dt><dt id="ientry-idm27131">pg_ts_template_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm134033">pg_type, <a class="indexterm" href="catalog-pg-type.html">pg_type</a></dt><dt id="ientry-idm27552">pg_typeof, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27141">pg_type_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm126355">pg_upgrade, <a class="indexterm" href="pgupgrade.html">pg_upgrade</a></dt><dt id="ientry-idm137404">pg_user, <a class="indexterm" href="view-pg-user.html">pg_user</a></dt><dt id="ientry-idm134474">pg_user_mapping, <a class="indexterm" href="catalog-pg-user-mapping.html">pg_user_mapping</a></dt><dt id="ientry-idm137479">pg_user_mappings, <a class="indexterm" href="view-pg-user-mappings.html">pg_user_mappings</a></dt><dt id="ientry-idm120494">pg_verifybackup, <a class="indexterm" href="app-pgverifybackup.html">pg_verifybackup</a></dt><dt id="ientry-idm137558">pg_views, <a class="indexterm" href="view-pg-views.html">pg_views</a></dt><dt id="ientry-idm170296">pg_visibility, <a class="indexterm" href="pgvisibility.html">pg_visibility</a></dt><dt id="ientry-idm28086">pg_visible_in_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm126848">pg_waldump, <a class="indexterm" href="pgwaldump.html">pg_waldump</a></dt><dt id="ientry-idm28840">pg_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28850">pg_walfile_name_offset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm170360">pg_walinspect, <a class="indexterm" href="pgwalinspect.html">pg_walinspect</a></dt><dt id="ientry-idm28864">pg_wal_lsn_diff, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29010">pg_wal_replay_pause, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29021">pg_wal_replay_resume, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28241">pg_xact_commit_timestamp, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28250">pg_xact_commit_timestamp_origin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28031">pg_xact_status, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm175294">pg_xlogdump, <a class="indexterm" href="pgxlogdump.html">pg_xlogdump renamed to pg_waldump</a> (see <a href="#ientry-idm126848">pg_waldump</a>)</dt><dt id="ientry-idm33551">phantom read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm20043">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-idm11447">pi, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm74454">PIC, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt id="ientry-idm58945">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-idm60309">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-idm49633">PITR, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm50255">PITR standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm35741">pkg-config, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</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-idm82653">PL/Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm83111">PL/PerlU, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt><dt id="ientry-idm79526">PL/pgSQL, <a class="indexterm" href="plpgsql.html">PL/pgSQL — SQL Procedural Language</a></dt><dt id="ientry-idm83348">PL/Python, <a class="indexterm" href="plpython.html">PL/Python — Python Procedural Language</a></dt><dt id="ientry-idm81938">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-idm82151">PL/Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm20026">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-idm41402">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-idm83274">plperl.on_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83305">plperl.on_plperlu_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83299">plperl.on_plperl_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83321">plperl.use_strict configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm81410">plpgsql.check_asserts configuration parameter, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt><dt id="ientry-idm81712">plpgsql.variable_conflict configuration parameter, <a class="indexterm" href="plpgsql-implementation.html#PLPGSQL-VAR-SUBST">Variable Substitution</a></dt><dt id="ientry-idm82624">pltcl.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm82638">pltclu.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm8045">point, <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.5">Points</a>, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm49631">point-in-time recovery, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm3505">policy, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm8191">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-idm73174">polymorphic function, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm73172">polymorphic type, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm13642">popcount (see <a href="#ientry-idm13640">bit_count</a>)</dt><dt id="ientry-idm19083">popen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm166194">populate_record, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm58242">port, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm38593">port configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm12240">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-idm15768">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-idm36938">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-idm38353">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-idm38337">postgresql.conf, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a></dt><dt id="ientry-idm170435">postgres_fdw, <a class="indexterm" href="postgres-fdw.html">postgres_fdw</a></dt><dt id="ientry-idm170909">postgres_fdw.application_name configuration parameter, <a class="indexterm" href="postgres-fdw.html#id-1.11.7.47.18">Configuration Parameters</a></dt><dt id="ientry-idm127544">postmaster, <a class="indexterm" href="app-postmaster.html">postmaster</a></dt><dt id="ientry-idm44431">post_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm11459">power, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm58940">PQbackendPID, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59703">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-idm60609">PQcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm59567">PQclear, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61026">PQclientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm59799">PQcmdStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm59811">PQcmdTuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm57890">PQconndefaults, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57715">PQconnectdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57675">PQconnectdbParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm58958">PQconnectionNeedsPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58967">PQconnectionUsedPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm57768">PQconnectPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57764">PQconnectStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57760">PQconnectStartParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57906">PQconninfo, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61156">PQconninfoFree, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm57920">PQconninfoParse, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60209">PQconsumeInput, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61255">PQcopyResult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm58708">PQdb, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59258">PQdescribePortal, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59236">PQdescribePrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61199">PQencryptPassword, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61168">PQencryptPasswordConn, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60990">PQendcopy, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60463">PQenterPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm58914">PQerrorMessage, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60014">PQescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59985">PQescapeByteaConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59905">PQescapeIdentifier, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59874">PQescapeLiteral, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59964">PQescapeString, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59930">PQescapeStringConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59082">PQexec, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59103">PQexecParams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59222">PQexecPrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm60473">PQexitPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm59660">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-idm57952">PQfinish, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61235">PQfireResultCreateEvents, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60291">PQflush, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm59683">PQfmod, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60651">PQfn, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm59606">PQfname, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59618">PQfnumber, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60597">PQfreeCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm61139">PQfreemem, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59693">PQfsize, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59636">PQftable, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59651">PQftablecol, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59669">PQftype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60577">PQgetCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm60872">PQgetCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-RECEIVE">Functions for Receiving COPY Data</a></dt><dt id="ientry-idm59738">PQgetisnull, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59751">PQgetlength, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60913">PQgetline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60931">PQgetlineAsync, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60164">PQgetResult, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm59058">PQgetssl, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58071">PQgetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm59717">PQgetvalue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm58737">PQhost, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58761">PQhostaddr, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62236">PQinitOpenSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm62255">PQinitSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm61575">PQinstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60229">PQisBusy, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60282">PQisnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62286">PQisthreadsafe, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt><dt id="ientry-idm61332">PQlibVersion, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm58900">PQserverVersion</a>)</dt></dl></dd><dt id="ientry-idm61212">PQmakeEmptyPGresult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59598">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-idm60712">PQnotifies, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a></dt><dt id="ientry-idm59764">PQnparams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59587">PQntuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59858">PQoidStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm59840">PQoidValue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm58804">PQoptions, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58849">PQparameterStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59774">PQparamtype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm58724">PQpass, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58028">PQping, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57997">PQpingParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60430">PQpipelineStatus, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm60484">PQpipelineSync, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm58775">PQport, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59184">PQprepare, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59784">PQprint, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm58891">PQprotocolVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60821">PQputCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm60839">PQputCopyEnd, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm60958">PQputline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60979">PQputnbytes, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm61542">PQregisterEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60629">PQrequestCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm57967">PQreset, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57980">PQresetPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57976">PQresetStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm59382">PQresStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61306">PQresultAlloc, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59428">PQresultErrorField, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59391">PQresultErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61603">PQresultInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm61319">PQresultMemorySize, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61587">PQresultSetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm59289">PQresultStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59410">PQresultVerboseErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm60153">PQsendDescribePortal, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60142">PQsendDescribePrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60496">PQsendFlushRequest, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm60121">PQsendPrepare, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60096">PQsendQuery, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60110">PQsendQueryParams, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60132">PQsendQueryPrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm58900">PQserverVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61038">PQsetClientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm57748">PQsetdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57728">PQsetdbLogin, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61071">PQsetErrorContextVisibility, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61051">PQsetErrorVerbosity, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61561">PQsetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60263">PQsetnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61367">PQsetNoticeProcessor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61362">PQsetNoticeReceiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61274">PQsetResultAttrs, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60552">PQsetSingleRowMode, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt><dt id="ientry-idm58040">PQsetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61111">PQsetTraceFlags, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61289">PQsetvalue, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm58932">PQsocket, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58986">PQsslAttribute, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59034">PQsslAttributeNames, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58978">PQsslInUse, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59042">PQsslStruct, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58815">PQstatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61095">PQtrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm58835">PQtransactionStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58793">PQtty, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60033">PQunescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm61126">PQuntrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm58716">PQuser, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm33735">predicate locking, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm109110">PREPARE, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dt id="ientry-idm109225">PREPARE TRANSACTION, <a class="indexterm" href="sql-prepare-transaction.html">PREPARE TRANSACTION</a></dt><dt id="ientry-idm103762">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-idm81759">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#id-1.8.11.14.3">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-idm44440">pre_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm2716">primary key, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-PRIMARY-KEYS">Primary Keys</a></dt><dt id="ientry-idm40638">primary_conninfo configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm40658">primary_slot_name configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm3023">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">System Information Functions and Operators</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-idm79416">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-idm73378">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-idm73607">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-idm40670">promote_trigger_file configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm137608">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-idm50957">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-idm83350">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-idm3648">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-idm34380">query plan, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a></dt><dt id="ientry-idm78691">query tree, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm20081">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-idm43960">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-idm12646">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-idm12660">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-idm12686">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-idm11483">radians, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19095">radius, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45859">RADIUS, <a class="indexterm" href="auth-radius.html">RADIUS Authentication</a></dt><dt id="ientry-idm81266">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-idm11689">random, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm41083">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-idm78717">range table, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm9619">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-idm24825">range_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24841">range_intersect_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24398">range_merge, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm25427">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-idm33617">read committed, <a class="indexterm" href="transaction-iso.html#XACT-READ-COMMITTED">Read Committed Isolation Level</a></dt><dt id="ientry-idm43164">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-idm35275">readline, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm123454">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-idm138376">READ_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm6369">real, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm109312">REASSIGN OWNED, <a class="indexterm" href="sql-reassign-owned.html">REASSIGN OWNED</a></dt><dt id="ientry-idm10124">record, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm175253">recovery.conf, <a class="indexterm" href="recovery-config.html">recovery.conf file merged into postgresql.conf</a></dt><dt id="ientry-idm40244">recovery.signal, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm40300">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-idm44078">recovery_init_sync_method configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm40784">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-idm40203">recovery_prefetch configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm40324">recovery_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm40413">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-idm40384">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-idm40370">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-idm40335">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-idm40345">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-idm40399">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-idm40360">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-idm8131">rectangle, <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.8">Boxes</a></dt><dt id="ientry-idm5604">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-idm41416">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-idm109377">REFRESH MATERIALIZED VIEW, <a class="indexterm" href="sql-refreshmaterializedview.html">REFRESH MATERIALIZED VIEW</a></dt><dt id="ientry-idm9871">regclass, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9873">regcollation, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9875">regconfig, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9877">regdictionary, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm12712">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-idm12734">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-idm12766">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-idm12786">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-idm12806">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-idm12828">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-idm12877">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-idm12896">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-idm12916">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-idm9879">regnamespace, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9881">regoper, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9883">regoperator, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9885">regproc, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9887">regprocedure, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25084">regression intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25114">regression slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm35485">regression test, <a class="indexterm" href="install-procedure.html">Installation Procedure</a></dt><dt id="ientry-idm57252">regression tests, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm9889">regrole, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25039">regr_avgx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25055">regr_avgy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25071">regr_count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25086">regr_intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25101">regr_r2, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25116">regr_slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25131">regr_sxx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25149">regr_sxy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25169">regr_syy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm9891">regtype, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm14461">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-idm14358">pattern matching</a>)</dt></dl></dd><dt id="ientry-idm46766">regular expressions</dt><dd><dl><dt>and locales, <a class="indexterm" href="locale.html#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm49306">reindex, <a class="indexterm" href="routine-reindex.html">Routine Reindexing</a></dt><dt id="ientry-idm109445">REINDEX, <a class="indexterm" href="sql-reindex.html">REINDEX</a></dt><dt id="ientry-idm123727">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-idm109705">RELEASE SAVEPOINT, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a></dt><dt id="ientry-idm44718">remove_temp_files_after_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm12947">repeat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm33698">repeatable read, <a class="indexterm" href="transaction-iso.html#XACT-REPEATABLE-READ">Repeatable Read Isolation Level</a></dt><dt id="ientry-idm12964">replace, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm50013">replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm87718">Replication Origins, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm87716">Replication Progress Tracking, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm50409">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-idm81269">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-idm109765">RESET, <a class="indexterm" href="sql-reset.html">RESET</a></dt><dt id="ientry-idm56419">restartpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm44052">restart_after_crash configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm40255">restore_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm2773">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-idm34315">retryable error, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm80350">RETURN NEXT</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#id-1.8.8.8.3.4">RETURN NEXT and RETURN QUERY</a></dt></dl></dd><dt id="ientry-idm80353">RETURN QUERY</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#id-1.8.8.8.3.4">RETURN NEXT and RETURN QUERY</a></dt></dl></dd><dt id="ientry-idm4484">RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt><dt id="ientry-idm79986">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-idm12984">reverse, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm3032">REVOKE, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-revoke.html">REVOKE</a></dt><dt id="ientry-idm12996">right, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4724">right join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm45993">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-idm109982">ROLLBACK, <a class="indexterm" href="sql-rollback.html">ROLLBACK</a></dt><dt id="ientry-idm123140">rollback</dt><dd><dl><dt>psql, <a class="indexterm" href="app-psql.html#APP-PSQL-VARIABLES">Variables</a></dt></dl></dd><dt id="ientry-idm110043">ROLLBACK PREPARED, <a class="indexterm" href="sql-rollback-prepared.html">ROLLBACK PREPARED</a></dt><dt id="ientry-idm110092">ROLLBACK TO SAVEPOINT, <a class="indexterm" href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a></dt><dt id="ientry-idm5148">ROLLUP, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm11495">round, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm73404">routine, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt><dt id="ientry-idm48900">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-idm2319">ROW, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS">Row Constructors</a></dt><dt id="ientry-idm148440">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-idm2316">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-idm3503">row-level security, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm25915">row-wise comparison, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm25546">row_number, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm43036">row_security configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm26852">row_security_active, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm21735">row_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm13014">rpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13037">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-idm78680">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-idm110166">SAVEPOINT, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dt id="ientry-idm109707">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-idm1747">scalar (see <a href="#ientry-idm1742">expression</a>)</dt><dt id="ientry-idm11532">scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3619">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">System Information Functions and Operators</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-idm45418">SCRAM, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm3693">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">System Information Functions and Operators</a></dt><dt>object visibility, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt></dl></dd><dt id="ientry-idm3712">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-idm110232">SECURITY LABEL, <a class="indexterm" href="sql-security-label.html">SECURITY LABEL</a></dt><dt id="ientry-idm165373">sec_to_gc, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm171001">seg, <a class="indexterm" href="seg.html">seg</a></dt><dt id="ientry-idm44230">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-idm79983">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-idm37254">semaphores, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm171254">sepgsql, <a class="indexterm" href="sepgsql.html">sepgsql</a></dt><dt id="ientry-idm171371">sepgsql.debug_audit configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm171358">sepgsql.permissive configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm6471">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-idm41031">sequential scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41073">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-idm6458">serial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6462">serial2, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6464">serial4, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6466">serial8, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm33733">serializable, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm33510">Serializable Snapshot Isolation, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm33557">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-idm34313">serialization failure, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm41427">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-idm58583">Server Name Indication, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm37909">server spoofing, <a class="indexterm" href="preventing-server-spoofing.html">Preventing Server Spoofing</a></dt><dt id="ientry-idm44242">server_encoding configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44254">server_version configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44264">server_version_num configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43715">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-idm43236">session_replication_role configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm26486">session_user, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28555">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-idm112001">SET CONSTRAINTS, <a class="indexterm" href="sql-set-constraints.html">SET CONSTRAINTS</a></dt><dt id="ientry-idm5357">set difference, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5355">set intersection, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5359">set operation, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm26084">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-idm112063">SET ROLE, <a class="indexterm" href="sql-set-role.html">SET ROLE</a></dt><dt id="ientry-idm112142">SET SESSION AUTHORIZATION, <a class="indexterm" href="sql-set-session-authorization.html">SET SESSION AUTHORIZATION</a></dt><dt id="ientry-idm112199">SET TRANSACTION, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt id="ientry-idm5353">set union, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm43451">SET XML OPTION, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11700">setseed, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm23169">setval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm20095">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-idm13786">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-idm13805">set_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm28600">set_config, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm170043">set_limit, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm19705">set_masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm13824">sha224, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13837">sha256, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13850">sha384, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13863">sha512, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm36315">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-idm37252">shared memory, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm39099">shared_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm44274">shared_memory_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44283">shared_memory_size_in_huge_pages configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39306">shared_memory_type configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm74759">shared_preload_libraries, <a class="indexterm" href="xfunc-c.html#XFUNC-SHARED-ADDIN">Shared Memory and LWLocks</a></dt><dt id="ientry-idm43733">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-idm27990">shobj_description, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28557">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-idm170031">show_limit, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm170001">show_trgm, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm37714">shutdown, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm38343">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-idm37735">SIGINT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm11544">sign, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm28622">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-idm43568">significant digits, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm37744">SIGQUIT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm37726">SIGTERM, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm14463">SIMILAR TO, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a></dt><dt id="ientry-idm169991">similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm11886">sin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11898">sind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm127371">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-idm11953">sinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm165969">skeys, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm18273">sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm166098">slice, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm147487">sliced bread (see <a href="#ientry-idm62412">TOAST</a>)</dt><dt id="ientry-idm19107">slope, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm54415">SLRU, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SLRU-VIEW">pg_stat_slru</a></dt><dt id="ientry-idm6226">smallint, <a class="indexterm" href="datatype-numeric.html#DATATYPE-INT">Integer Types</a></dt><dt id="ientry-idm6456">smallserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm36563">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-idm24943">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-idm166388">sort, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm5423">sorting, <a class="indexterm" href="queries-order.html">Sorting Rows (ORDER BY)</a></dt><dt id="ientry-idm166409">sort_asc, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm166421">sort_desc, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm165614">soundex, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.6">Soundex</a></dt><dt id="ientry-idm31237">SP-GiST (see <a href="#ientry-idm31128">index</a>)</dt><dt id="ientry-idm83962">SPI, <a class="indexterm" href="spi.html">Server Programming Interface</a>, <a class="indexterm" href="contrib-spi.html">spi</a></dt><dd><dl><dt>examples, <a class="indexterm" href="contrib-spi.html">spi</a></dt></dl></dd><dt id="ientry-idm82919">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-idm86923">SPI_commit, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm86925">SPI_commit_and_chain, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm83983">SPI_connect, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm83985">SPI_connect_ext, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm86630">SPI_copytuple, <a class="indexterm" href="spi-spi-copytuple.html">SPI_copytuple</a></dt><dt id="ientry-idm82840">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-idm85852">SPI_cursor_close, <a class="indexterm" href="spi-spi-cursor-close.html">SPI_cursor_close</a></dt><dt id="ientry-idm85629">SPI_cursor_fetch, <a class="indexterm" href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a></dt><dt id="ientry-idm85600">SPI_cursor_find, <a class="indexterm" href="spi-spi-cursor-find.html">SPI_cursor_find</a></dt><dt id="ientry-idm85680">SPI_cursor_move, <a class="indexterm" href="spi-spi-cursor-move.html">SPI_cursor_move</a></dt><dt id="ientry-idm85286">SPI_cursor_open, <a class="indexterm" href="spi-spi-cursor-open.html">SPI_cursor_open</a></dt><dt id="ientry-idm85361">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-idm85465">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-idm85523">SPI_cursor_parse_open, <a class="indexterm" href="spi-spi-cursor-parse-open.html">SPI_cursor_parse_open</a></dt><dt id="ientry-idm84278">SPI_exec, <a class="indexterm" href="spi-spi-exec.html">SPI_exec</a></dt><dt id="ientry-idm85217">SPI_execp, <a class="indexterm" href="spi-spi-execp.html">SPI_execp</a></dt><dt id="ientry-idm84059">SPI_execute, <a class="indexterm" href="spi-spi-execute.html">SPI_execute</a></dt><dt id="ientry-idm84318">SPI_execute_extended, <a class="indexterm" href="spi-spi-execute-extended.html">SPI_execute_extended</a></dt><dt id="ientry-idm84949">SPI_execute_plan, <a class="indexterm" href="spi-spi-execute-plan.html">SPI_execute_plan</a></dt><dt id="ientry-idm85045">SPI_execute_plan_extended, <a class="indexterm" href="spi-spi-execute-plan-extended.html">SPI_execute_plan_extended</a></dt><dt id="ientry-idm85153">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-idm84429">SPI_execute_with_args, <a class="indexterm" href="spi-spi-execute-with-args.html">SPI_execute_with_args</a></dt><dt id="ientry-idm82881">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-idm82792">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-idm82833">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-idm84030">SPI_finish, <a class="indexterm" href="spi-spi-finish.html">SPI_finish</a></dt><dt id="ientry-idm86153">SPI_fname, <a class="indexterm" href="spi-spi-fname.html">SPI_fname</a></dt><dt id="ientry-idm86193">SPI_fnumber, <a class="indexterm" href="spi-spi-fnumber.html">SPI_fnumber</a></dt><dt id="ientry-idm82888">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-idm86880">SPI_freeplan, <a class="indexterm" href="spi-spi-freeplan.html">SPI_freeplan</a></dt><dt id="ientry-idm86820">SPI_freetuple, <a class="indexterm" href="spi-spi-freetuple.html">SPI_freetuple</a></dt><dt id="ientry-idm86847">SPI_freetuptable, <a class="indexterm" href="spi-spi-freetupletable.html">SPI_freetuptable</a></dt><dt id="ientry-idm84818">SPI_getargcount, <a class="indexterm" href="spi-spi-getargcount.html">SPI_getargcount</a></dt><dt id="ientry-idm84854">SPI_getargtypeid, <a class="indexterm" href="spi-spi-getargtypeid.html">SPI_getargtypeid</a></dt><dt id="ientry-idm86284">SPI_getbinval, <a class="indexterm" href="spi-spi-getbinval.html">SPI_getbinval</a></dt><dt id="ientry-idm86448">SPI_getnspname, <a class="indexterm" href="spi-spi-getnspname.html">SPI_getnspname</a></dt><dt id="ientry-idm86419">SPI_getrelname, <a class="indexterm" href="spi-spi-getrelname.html">SPI_getrelname</a></dt><dt id="ientry-idm86339">SPI_gettype, <a class="indexterm" href="spi-spi-gettype.html">SPI_gettype</a></dt><dt id="ientry-idm86378">SPI_gettypeid, <a class="indexterm" href="spi-spi-gettypeid.html">SPI_gettypeid</a></dt><dt id="ientry-idm86233">SPI_getvalue, <a class="indexterm" href="spi-spi-getvalue.html">SPI_getvalue</a></dt><dt id="ientry-idm84900">SPI_is_cursor_plan, <a class="indexterm" href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a></dt><dt id="ientry-idm85879">SPI_keepplan, <a class="indexterm" href="spi-spi-keepplan.html">SPI_keepplan</a></dt><dt id="ientry-idm86710">SPI_modifytuple, <a class="indexterm" href="spi-spi-modifytuple.html">SPI_modifytuple</a></dt><dt id="ientry-idm86534">SPI_palloc, <a class="indexterm" href="spi-spi-palloc.html">SPI_palloc</a></dt><dt id="ientry-idm86601">SPI_pfree, <a class="indexterm" href="spi-spi-pfree.html">SPI_pfree</a></dt><dt id="ientry-idm82864">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-idm84532">SPI_prepare, <a class="indexterm" href="spi-spi-prepare.html">SPI_prepare</a></dt><dt id="ientry-idm84623">SPI_prepare_cursor, <a class="indexterm" href="spi-spi-prepare-cursor.html">SPI_prepare_cursor</a></dt><dt id="ientry-idm84695">SPI_prepare_extended, <a class="indexterm" href="spi-spi-prepare-extended.html">SPI_prepare_extended</a></dt><dt id="ientry-idm84763">SPI_prepare_params, <a class="indexterm" href="spi-spi-prepare-params.html">SPI_prepare_params</a></dt><dt id="ientry-idm82826">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-idm82872">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-idm85968">SPI_register_relation, <a class="indexterm" href="spi-spi-register-relation.html">SPI_register_relation</a></dt><dt id="ientry-idm86085">SPI_register_trigger_data, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt id="ientry-idm86563">SPI_repalloc, <a class="indexterm" href="spi-realloc.html">SPI_repalloc</a></dt><dt id="ientry-idm86478">SPI_result_code_string, <a class="indexterm" href="spi-spi-result-code-string.html">SPI_result_code_string</a></dt><dt id="ientry-idm86664">SPI_returntuple, <a class="indexterm" href="spi-spi-returntuple.html">SPI_returntuple</a></dt><dt id="ientry-idm82925">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-idm86948">SPI_rollback, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm86950">SPI_rollback_and_chain, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm85916">SPI_saveplan, <a class="indexterm" href="spi-spi-saveplan.html">SPI_saveplan</a></dt><dt id="ientry-idm85725">SPI_scroll_cursor_fetch, <a class="indexterm" href="spi-spi-scroll-cursor-fetch.html">SPI_scroll_cursor_fetch</a></dt><dt id="ientry-idm85788">SPI_scroll_cursor_move, <a class="indexterm" href="spi-spi-scroll-cursor-move.html">SPI_scroll_cursor_move</a></dt><dt id="ientry-idm86973">SPI_start_transaction, <a class="indexterm" href="spi-spi-start-transaction.html">SPI_start_transaction</a></dt><dt id="ientry-idm86028">SPI_unregister_relation, <a class="indexterm" href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></dt><dt id="ientry-idm13055">split_part, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm156546">SQL/CLI, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156542">SQL/Foundation, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156538">SQL/Framework, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156566">SQL/JRT, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm22543">SQL/JSON path language, <a class="indexterm" href="functions-json.html#FUNCTIONS-SQLJSON-PATH">The SQL/JSON Path Language</a></dt><dt id="ientry-idm156574">SQL/MDA, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156554">SQL/MED, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156558">SQL/OLB, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156550">SQL/PSM, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156562">SQL/Schemata, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156570">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-idm11560">sqrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm38204">ssh, <a class="indexterm" href="ssh-tunnels.html">Secure TCP/IP Connections with SSH Tunnels</a></dt><dt id="ientry-idm33512">SSI, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm37985">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-idm38870">ssl configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm171664">sslinfo, <a class="indexterm" href="sslinfo.html">sslinfo</a></dt><dt id="ientry-idm38882">ssl_ca_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm38892">ssl_cert_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm171694">ssl_cipher, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm38942">ssl_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm171701">ssl_client_cert_present, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171716">ssl_client_dn, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171735">ssl_client_dn_field, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171708">ssl_client_serial, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm38914">ssl_crl_dir configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm38903">ssl_crl_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39053">ssl_dh_params_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39004">ssl_ecdh_curve configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm171754">ssl_extension_info, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171725">ssl_issuer_dn, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171746">ssl_issuer_field, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm171680">ssl_is_used, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm38931">ssl_key_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm44299">ssl_library configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39041">ssl_max_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39023">ssl_min_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39065">ssl_passphrase_command configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39081">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-idm38992">ssl_prefer_server_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm171687">ssl_version, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm45574">SSPI, <a class="indexterm" href="sspi-auth.html">SSPI Authentication</a></dt><dt id="ientry-idm73858">STABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm25187">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-idm43977">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-idm50257">standby server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm40236">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-idm175276">standby_mode (see <a href="#ientry-idm40236">standby.signal</a>)</dt><dt id="ientry-idm112443">START TRANSACTION, <a class="indexterm" href="sql-start-transaction.html">START TRANSACTION</a></dt><dt id="ientry-idm13080">starts_with, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm138414">START_REPLICATION, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm43261">statement_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17593">statement_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm24973">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-idm42704">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-idm25189">stddev, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25207">stddev_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25224">stddev_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm50263">STONITH, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm101299">storage parameters, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm50334">Streaming Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm170020">strict_word_similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm6583">string (see <a href="#ientry-idm1285">character string</a>)</dt><dt id="ientry-idm43898">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-idm24857">string_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13097">string_to_array, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13128">string_to_table, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm20135">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-idm13158">strpos, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm166464">subarray, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm167324">subltree, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm167343">subpath, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">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-idm1824">subscript, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-SUBSCRIPTS">Subscripts</a></dt><dt id="ientry-idm13178">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-idm12258">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-idm15770">SUBSTRING_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm82584">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-idm24878">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-idm38613">superuser_reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm143758">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-idm30311">suppress_redundant_updates_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm165996">svals, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm43992">synchronize_seqscans configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm56322">synchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm50458">Synchronous Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm39741">synchronous_commit configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40539">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-idm41641">syslog_facility configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41664">syslog_ident configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41678">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-idm41694">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-idm3756">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-idm35855">systemd, <a class="indexterm" href="install-procedure.html#CONFIGURE-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></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#id-1.5.4.8.12">Renaming a Table</a></dt></dl></dd><dt id="ientry-idm142879">Table Access Method, <a class="indexterm" href="tableam.html">Table Access Method Interface Definition</a></dt><dt id="ientry-idm110388">TABLE command, <a class="indexterm" href="sql-select.html">SELECT</a></dt><dt id="ientry-idm4570">table expression, <a class="indexterm" href="queries-table-expressions.html">Table Expressions</a></dt><dt id="ientry-idm4871">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-idm142482">table sampling method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm142881">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-idm171768">tablefunc, <a class="indexterm" href="tablefunc.html">tablefunc</a></dt><dt id="ientry-idm2852">tableoid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm142484">TABLESAMPLE method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm43068">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-idm10162">table_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm11910">tan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11922">tand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11977">tanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm78740">target list, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm82153">Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm172136">tcn, <a class="indexterm" href="tcn.html">tcn</a></dt><dt id="ientry-idm38731">tcp_keepalives_count configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38707">tcp_keepalives_idle configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38719">tcp_keepalives_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38743">tcp_user_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm46442">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-idm46439">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-idm39179">temp_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm39356">temp_file_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-DISK">Disk</a></dt><dt id="ientry-idm43106">temp_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm57254">test, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm172155">test_decoding, <a class="indexterm" href="test-decoding.html">test_decoding</a></dt><dt id="ientry-idm6590">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-idm8518">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-idm167428">text2ltree, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm62273">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-idm9897">tid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm6921">time, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.6">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-idm15924">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm6937">time span, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm6925">time with time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.6">Times</a></dt><dt id="ientry-idm6923">time without time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.6">Times</a></dt><dt id="ientry-idm7548">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-idm35999">time zone data, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm43556">time zone names, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm49932">timelines, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm138249">TIMELINE_HISTORY, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm17605">timeofday, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm38775">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-idm6927">timestamp, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.7">Time Stamps</a></dt><dt id="ientry-idm6931">timestamp with time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.7">Time Stamps</a></dt><dt id="ientry-idm6933">timestamp without time zone, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a>, <a class="indexterm" href="datatype-datetime.html#id-1.5.7.13.18.7">Time Stamps</a></dt><dt id="ientry-idm6929">timestamptz, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm43538">TimeZone configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43553">timezone_abbreviations configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm62412">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></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-idm101329">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-idm13206">to_ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15942">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#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm15993">to_date, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm13241">to_hex, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm21690">to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21696">to_jsonb, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm16006">to_number, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27577">to_regclass, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27589">to_regcollation, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27601">to_regnamespace, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27613">to_regoper, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27625">to_regoperator, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27637">to_regproc, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27649">to_regprocedure, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27661">to_regrole, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27673">to_regtype, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm16019">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-idm20148">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-idm20166">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-idm44496">trace_locks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44535">trace_lock_oidmin configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44547">trace_lock_table configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44510">trace_lwlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44450">trace_notify configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44464">trace_recovery_messages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44484">trace_sort configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44522">trace_userlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42624">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-idm42635">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-idm40522">track_commit_timestamp configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm42646">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-idm42688">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-idm42656">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-idm42675">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-idm49069">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-idm33531">transaction isolation, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm33562">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-idm56302">transaction log (see <a href="#ientry-idm56300">WAL</a>)</dt><dt id="ientry-idm43225">transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43199">transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43212">transaction_read_only configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17619">transaction_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm44010">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-idm76986">transition tables, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dd><dl><dt>(see also <a href="#ientry-idm85970">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-idm13257">translate, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15772">TRANSLATE_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm39148">transparent
huge pages, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm10152">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-idm172138">triggered_change_notification, <a class="indexterm" href="tcn.html">tcn</a></dt><dt id="ientry-idm175270">trigger_file (see promote_trigger_file)</dt><dt id="ientry-idm12335">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-idm23754">trim_array, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm11576">trim_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm7856">true, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm11588">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-idm112500">TRUNCATE, <a class="indexterm" href="sql-truncate.html">TRUNCATE</a></dt><dt id="ientry-idm83098">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-idm10166">tsm_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm172167">tsm_system_rows, <a class="indexterm" href="tsm-system-rows.html">tsm_system_rows</a></dt><dt id="ientry-idm172197">tsm_system_time, <a class="indexterm" href="tsm-system-time.html">tsm_system_time</a></dt><dt id="ientry-idm8563">tsquery (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSQUERY">tsquery</a></dt><dt id="ientry-idm20454">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-idm8532">tsvector (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSVECTOR">tsvector</a></dt><dt id="ientry-idm32375">tsvector concatenation, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm20490">tsvector_to_array, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm30321">tsvector_update_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm30333">tsvector_update_trigger_column, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm20540">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-idm20256">ts_delete, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20291">ts_filter, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20308">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-idm20570">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-idm20586">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-idm20369">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-idm20393">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-idm20417">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-idm20664">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-idm20626">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-idm167672">tuple_data_split, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm28151">txid_current, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28160">txid_current_if_assigned, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28169">txid_current_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28178">txid_snapshot_xip, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28188">txid_snapshot_xmax, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28198">txid_snapshot_xmin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28219">txid_status, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28208">txid_visible_in_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm5839">type (see <a href="#ientry-idm1501">data type</a>)</dt><dt id="ientry-idm1494">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></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-idm172227">unaccent, <a class="indexterm" href="unaccent.html">unaccent</a>, <a class="indexterm" href="unaccent.html#id-1.11.7.57.8">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-idm12091">Unicode normalization, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm5347">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-idm166433">uniq, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm2686">unique constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-UNIQUE-CONSTRAINTS">Unique Constraints</a></dt><dt id="ientry-idm13280">unistr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm58188">Unix domain socket, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm38629">unix_socket_directories configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38651">unix_socket_group configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38662">unix_socket_permissions configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm10172">unknown, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm112609">UNLISTEN, <a class="indexterm" href="sql-unlisten.html">UNLISTEN</a></dt><dt id="ientry-idm20503">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-idm3695">unqualified name, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a></dt><dt id="ientry-idm103651">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-idm42603">update_process_title configuration parameter, <a class="indexterm" href="runtime-config-logging.html#id-1.6.7.11.8">Process Title</a></dt><dt id="ientry-idm4437">updating, <a class="indexterm" href="dml-update.html">Updating Data</a></dt><dt id="ientry-idm37772">upgrading, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt><dt id="ientry-idm12380">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#id-1.6.11.3.5">Behavior</a></dt></dl></dd><dt id="ientry-idm24362">upper_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24386">upper_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm108119">UPSERT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm58083">URI, <a class="indexterm" href="libpq-connect.html#LIBPQ-CONNSTRING">Connection Strings</a></dt><dt id="ientry-idm26303">user, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a>, <a class="indexterm" href="database-roles.html">Database Roles</a></dt><dd><dl><dt>current, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt></dl></dd><dt id="ientry-idm4313">user mapping, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm45275">User name maps, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm101583">user_catalog_table storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm8608">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-procedure.html#CONFIGURE-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-idm172305">uuid-ossp, <a class="indexterm" href="uuid-ossp.html">uuid-ossp</a></dt><dt id="ientry-idm172332">uuid_generate_v1, <a class="indexterm" href="uuid-ossp.html#id-1.11.7.58.5">uuid-ossp Functions</a></dt><dt id="ientry-idm172340">uuid_generate_v1mc, <a class="indexterm" href="uuid-ossp.html#id-1.11.7.58.5">uuid-ossp Functions</a></dt><dt id="ientry-idm172348">uuid_generate_v3, <a class="indexterm" href="uuid-ossp.html#id-1.11.7.58.5">uuid-ossp Functions</a></dt></dl></div><div class="indexdiv" id="indexdiv-V"><h3>V</h3><dl><dt id="ientry-idm48924">vacuum, <a class="indexterm" href="routine-vacuuming.html">Routine Vacuuming</a></dt><dt id="ientry-idm112908">VACUUM, <a class="indexterm" href="sql-vacuum.html">VACUUM</a></dt><dt id="ientry-idm124060">vacuumdb, <a class="indexterm" href="app-vacuumdb.html">vacuumdb</a></dt><dt id="ientry-idm172907">vacuumlo, <a class="indexterm" href="vacuumlo.html">vacuumlo</a></dt><dt id="ientry-idm39397">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-idm39438">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-idm39429">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-idm39411">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-idm39420">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-idm40615">vacuum_defer_cleanup_age configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-PRIMARY">Primary Server</a></dt><dt id="ientry-idm43351">vacuum_failsafe_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43338">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-idm43321">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-idm101366">vacuum_index_cleanup storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm43399">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-idm43386">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-idm43369">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-idm101387">vacuum_truncate storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1745">value expression, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm5529">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-idm6594">varchar, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm73626">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-idm25238">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-idm25256">var_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25273">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">System Information Functions and Operators</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-idm147644">Visibility Map, <a class="indexterm" href="storage-vm.html">Visibility Map</a></dt><dt id="ientry-idm147646">VM (see <a href="#ientry-idm147644">Visibility Map</a>)</dt><dt id="ientry-idm10150">void, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm73856">VOLATILE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm73853">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-idm35447">VPATH, <a class="indexterm" href="install-procedure.html">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-idm56300">WAL, <a class="indexterm" href="wal.html">Reliability and the Write-Ahead Log</a></dt><dt id="ientry-idm44310">wal_block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39944">wal_buffers configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39901">wal_compression configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm44583">wal_consistency_checking configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44605">wal_debug configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm40220">wal_decode_buffer_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm39922">wal_init_zero configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40483">wal_keep_size configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm39665">wal_level configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39887">wal_log_hints configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40721">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-idm40732">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-idm40762">wal_receiver_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm39934">wal_recycle configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40772">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-idm44320">wal_segment_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40512">wal_sender_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm39991">wal_skip_threshold configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39831">wal_sync_method configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39960">wal_writer_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39975">wal_writer_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm50253">warm standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm20063">websearch_to_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm5015">WHERE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-WHERE">The WHERE Clause</a></dt><dt id="ientry-idm41431">where to log, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm80656">WHILE</dt><dd><dl><dt>in PL/pgSQL, <a class="indexterm" href="plpgsql-control-structures.html#id-1.8.8.8.7.7">WHILE</a></dt></dl></dd><dt id="ientry-idm19120">width, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm11622">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-idm5564">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-idm103573">WITH CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm1919">WITHIN GROUP, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm50261">witness server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm170010">word_similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm39210">work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm49072">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-idm9899">xid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9893">xid8, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm2878">xmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2864">xmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm8625">XML, <a class="indexterm" href="datatype-xml.html">XML Type</a></dt><dt id="ientry-idm21163">XML export, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-MAPPING">Mapping Tables to XML</a></dt><dt id="ientry-idm20705">XML Functions, <a class="indexterm" href="functions-xml.html">XML Functions</a></dt><dt id="ientry-idm8679">XML option, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a>, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm172441">xml2, <a class="indexterm" href="xml2.html">xml2</a></dt><dt id="ientry-idm20872">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-idm43431">xmlbinary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm20723">xmlcomment, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.3">xmlcomment</a></dt><dt id="ientry-idm20740">xmlconcat, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.4">xmlconcat</a></dt><dt id="ientry-idm20759">xmlelement, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.5">xmlelement</a></dt><dt id="ientry-idm20920">XMLEXISTS, <a class="indexterm" href="functions-xml.html#XML-EXISTS">XMLEXISTS</a></dt><dt id="ientry-idm20804">xmlforest, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.6">xmlforest</a></dt><dt id="ientry-idm43448">xmloption configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm8649">xmlparse, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm20830">xmlpi, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.7">xmlpi</a></dt><dt id="ientry-idm20851">xmlroot, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.8">xmlroot</a></dt><dt id="ientry-idm8662">xmlserialize, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm21040">xmltable, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt><dt id="ientry-idm20952">xml_is_well_formed, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm20956">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-idm20954">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-idm20991">XPath, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH">xpath</a></dt><dt id="ientry-idm21019">xpath_exists, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH-EXISTS">xpath_exists</a></dt><dt id="ientry-idm172578">xpath_table, <a class="indexterm" href="xml2.html#id-1.11.7.59.6">xpath_table</a></dt><dt id="ientry-idm15774">XQuery regular expressions, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm172659">xslt_process, <a class="indexterm" href="xml2.html#id-1.11.7.59.7.3">xslt_process</a></dt></dl></div><div class="indexdiv" id="indexdiv-Y"><h3>Y</h3><dl><dt id="ientry-idm35395">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-idm44632">zero_damaged_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm35295">zlib, <a class="indexterm" href="install-requirements.html">Requirements</a>, <a class="indexterm" href="install-procedure.html#CONFIGURE-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 15.4 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 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
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