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<a href="#indexdiv-Z">Z</a></p><div class="indexdiv" id="indexdiv-Symbols"><h3>Symbols</h3><dl><dt id="ientry-idm1824">$, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-PARAMETERS-POSITIONAL">Positional Parameters</a></dt><dt id="ientry-idm74112">$libdir, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm43764">$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-idm5283">*, <a class="indexterm" href="queries-select-lists.html#QUERIES-SELECT-LIST-ITEMS">Select-List Items</a></dt><dt id="ientry-idm62017">.pgpass, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm62052">.pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm2224">::, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS">Type Casts</a></dt><dt id="ientry-idm87901">_PG_archive_module_init, <a class="indexterm" href="archive-module-init.html">Initialization Functions</a></dt><dt id="ientry-idm74145">_PG_init, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm87464">_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-idm19615">abbrev, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm87953">ABORT, <a class="indexterm" href="sql-abort.html">ABORT</a></dt><dt id="ientry-idm11204">abs, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3045">ACL, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm26943">aclcontains, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26982">acldefault, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27014">aclexplode, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm3476">aclitem, <a class="indexterm" href="ddl-priv.html">Privileges</a></dt><dt id="ientry-idm26927">aclitemeq, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm11761">acos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11773">acosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12030">acosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm174110">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-idm164001">adminpack, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm34304">advisory lock, <a class="indexterm" href="explicit-locking.html#ADVISORY-LOCKS">Advisory Locks</a></dt><dt id="ientry-idm17175">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-idm36485">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-idm167016">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-idm5225">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-idm44416">allow_in_place_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44428">allow_system_table_mods configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm88015">ALTER AGGREGATE, <a class="indexterm" href="sql-alteraggregate.html">ALTER AGGREGATE</a></dt><dt id="ientry-idm88138">ALTER COLLATION, <a class="indexterm" href="sql-altercollation.html">ALTER COLLATION</a></dt><dt id="ientry-idm88231">ALTER CONVERSION, <a class="indexterm" href="sql-alterconversion.html">ALTER CONVERSION</a></dt><dt id="ientry-idm88300">ALTER DATABASE, <a class="indexterm" href="sql-alterdatabase.html">ALTER DATABASE</a></dt><dt id="ientry-idm88434">ALTER DEFAULT PRIVILEGES, <a class="indexterm" href="sql-alterdefaultprivileges.html">ALTER DEFAULT PRIVILEGES</a></dt><dt id="ientry-idm88538">ALTER DOMAIN, <a class="indexterm" href="sql-alterdomain.html">ALTER DOMAIN</a></dt><dt id="ientry-idm88737">ALTER EVENT TRIGGER, <a class="indexterm" href="sql-altereventtrigger.html">ALTER EVENT TRIGGER</a></dt><dt id="ientry-idm88796">ALTER EXTENSION, <a class="indexterm" href="sql-alterextension.html">ALTER EXTENSION</a></dt><dt id="ientry-idm89024">ALTER FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-alterforeigndatawrapper.html">ALTER FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm89131">ALTER FOREIGN TABLE, <a class="indexterm" href="sql-alterforeigntable.html">ALTER FOREIGN TABLE</a></dt><dt id="ientry-idm89465">ALTER FUNCTION, <a class="indexterm" href="sql-alterfunction.html">ALTER FUNCTION</a></dt><dt id="ientry-idm89714">ALTER GROUP, <a class="indexterm" href="sql-altergroup.html">ALTER GROUP</a></dt><dt id="ientry-idm89787">ALTER INDEX, <a class="indexterm" href="sql-alterindex.html">ALTER INDEX</a></dt><dt id="ientry-idm89969">ALTER LANGUAGE, <a class="indexterm" href="sql-alterlanguage.html">ALTER LANGUAGE</a></dt><dt id="ientry-idm90019">ALTER LARGE OBJECT, <a class="indexterm" href="sql-alterlargeobject.html">ALTER LARGE OBJECT</a></dt><dt id="ientry-idm90061">ALTER MATERIALIZED VIEW, <a class="indexterm" href="sql-altermaterializedview.html">ALTER MATERIALIZED VIEW</a></dt><dt id="ientry-idm90178">ALTER OPERATOR, <a class="indexterm" href="sql-alteroperator.html">ALTER OPERATOR</a></dt><dt id="ientry-idm90270">ALTER OPERATOR CLASS, <a class="indexterm" href="sql-alteropclass.html">ALTER OPERATOR CLASS</a></dt><dt id="ientry-idm90339">ALTER OPERATOR FAMILY, <a class="indexterm" href="sql-alteropfamily.html">ALTER OPERATOR FAMILY</a></dt><dt id="ientry-idm90512">ALTER POLICY, <a class="indexterm" href="sql-alterpolicy.html">ALTER POLICY</a></dt><dt id="ientry-idm90595">ALTER PROCEDURE, <a class="indexterm" href="sql-alterprocedure.html">ALTER PROCEDURE</a></dt><dt id="ientry-idm90773">ALTER PUBLICATION, <a class="indexterm" href="sql-alterpublication.html">ALTER PUBLICATION</a></dt><dt id="ientry-idm46236">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-idm91131">ALTER ROUTINE, <a class="indexterm" href="sql-alterroutine.html">ALTER ROUTINE</a></dt><dt id="ientry-idm91211">ALTER RULE, <a class="indexterm" href="sql-alterrule.html">ALTER RULE</a></dt><dt id="ientry-idm91266">ALTER SCHEMA, <a class="indexterm" href="sql-alterschema.html">ALTER SCHEMA</a></dt><dt id="ientry-idm91320">ALTER SEQUENCE, <a class="indexterm" href="sql-altersequence.html">ALTER SEQUENCE</a></dt><dt id="ientry-idm91542">ALTER SERVER, <a class="indexterm" href="sql-alterserver.html">ALTER SERVER</a></dt><dt id="ientry-idm91624">ALTER STATISTICS, <a class="indexterm" href="sql-alterstatistics.html">ALTER STATISTICS</a></dt><dt id="ientry-idm91698">ALTER SUBSCRIPTION, <a class="indexterm" href="sql-altersubscription.html">ALTER SUBSCRIPTION</a></dt><dt id="ientry-idm91903">ALTER SYSTEM, <a class="indexterm" href="sql-altersystem.html">ALTER SYSTEM</a></dt><dt id="ientry-idm91983">ALTER TABLE, <a class="indexterm" href="sql-altertable.html">ALTER TABLE</a></dt><dt id="ientry-idm92924">ALTER TABLESPACE, <a class="indexterm" href="sql-altertablespace.html">ALTER TABLESPACE</a></dt><dt id="ientry-idm93002">ALTER TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-altertsconfig.html">ALTER TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm93113">ALTER TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-altertsdictionary.html">ALTER TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm93196">ALTER TEXT SEARCH PARSER, <a class="indexterm" href="sql-altertsparser.html">ALTER TEXT SEARCH PARSER</a></dt><dt id="ientry-idm93247">ALTER TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-altertstemplate.html">ALTER TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm93298">ALTER TRIGGER, <a class="indexterm" href="sql-altertrigger.html">ALTER TRIGGER</a></dt><dt id="ientry-idm93372">ALTER TYPE, <a class="indexterm" href="sql-altertype.html">ALTER TYPE</a></dt><dt id="ientry-idm93634">ALTER USER, <a class="indexterm" href="sql-alteruser.html">ALTER USER</a></dt><dt id="ientry-idm93686">ALTER USER MAPPING, <a class="indexterm" href="sql-alterusermapping.html">ALTER USER MAPPING</a></dt><dt id="ientry-idm93758">ALTER VIEW, <a class="indexterm" href="sql-alterview.html">ALTER VIEW</a></dt><dt id="ientry-idm164112">amcheck, <a class="indexterm" href="amcheck.html">amcheck</a></dt><dt id="ientry-idm49103">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-idm10389">AND (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm104376">anonymous code blocks, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm10155">any, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24990">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-idm10159">anyarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10169">anycompatible, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10171">anycompatiblearray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10177">anycompatiblemultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10173">anycompatiblenonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10175">anycompatiblerange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10157">anyelement, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10163">anyenum, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10167">anymultirange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10161">anynonarray, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm10165">anyrange, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm67697">applicable role, <a class="indexterm" href="infoschema-applicable-roles.html">applicable_roles</a></dt><dt id="ientry-idm42023">application_name configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm6285">arbitrary precision numbers, <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm87886">Archive Modules, <a class="indexterm" href="archive-modules.html">Archive Modules</a></dt><dt id="ientry-idm40350">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-idm40215">archive_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40239">archive_library configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40188">archive_mode configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm40253">archive_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING">Archiving</a></dt><dt id="ientry-idm19000">area, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm169540">armor, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.16">armor(), dearmor()</a></dt><dt id="ientry-idm2292">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-idm2295">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-idm24627">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-idm23567">array_append, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23583">array_cat, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23599">array_dims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23611">array_fill, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23630">array_length, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23649">array_lower, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23662">array_ndims, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm43954">array_nulls configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm23674">array_position, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23692">array_positions, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23709">array_prepend, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23725">array_remove, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm23740">array_replace, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm21769">array_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm23754">array_to_string, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm20023">array_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm23778">array_upper, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm12452">ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm11785">asin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11797">asind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12018">asinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm81528">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-idm81531">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-idm56450">asynchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm18164">AT TIME ZONE, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT">AT TIME ZONE</a></dt><dt id="ientry-idm11809">atan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11833">atan2, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11850">atan2d, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11821">atand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12042">atanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm38854">authentication_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm164340">auth_delay, <a class="indexterm" href="auth-delay.html">auth_delay</a></dt><dt id="ientry-idm164354">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-idm6491">auto-increment (see <a href="#ientry-idm6481">serial</a>)</dt><dt id="ientry-idm34874">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-idm97901">autosummarize storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm42853">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-idm42865">autovacuum configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm42963">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-idm42925">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-idm101490">autovacuum_enabled storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm42976">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-idm101639">autovacuum_freeze_min_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm101665">autovacuum_freeze_table_age storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm42878">autovacuum_max_workers configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm42992">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-idm101676">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-idm101702">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-idm42887">autovacuum_naptime configuration parameter, <a class="indexterm" href="runtime-config-autovacuum.html">Automatic Vacuuming</a></dt><dt id="ientry-idm43009">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-idm43022">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-idm42950">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-idm42912">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-idm42937">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-idm42900">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-idm39337">autovacuum_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm164368">auto_explain, <a class="indexterm" href="auto-explain.html">auto_explain</a></dt><dt id="ientry-idm164402">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-idm164417">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-idm164489">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-idm164504">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-idm164389">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-idm164524">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-idm164479">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-idm164443">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-idm164456">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-idm164467">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-idm164430">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-idm164534">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-idm167043">avals, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm24645">average, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24647">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-idm31247">B-Tree (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm39593">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-idm87168">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-idm43974">backslash_quote configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm44438">backtrace_functions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm28778">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-idm148807">Backup Manifest, <a class="indexterm" href="backup-manifest-format.html">Backup Manifest Format</a></dt><dt id="ientry-idm73243">base type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm14064">base64 format, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm164554">basebackup_to_shell, <a class="indexterm" href="basebackup-to-shell.html">basebackup_to_shell</a></dt><dt id="ientry-idm164572">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-idm164588">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-idm138766">BASE_BACKUP, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm164601">basic_archive, <a class="indexterm" href="basic-archive.html">basic_archive</a></dt><dt id="ientry-idm164616">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-idm60440">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-idm94059">BEGIN, <a class="indexterm" href="sql-begin.html">BEGIN</a></dt><dt id="ientry-idm10786">BETWEEN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10788">BETWEEN SYMMETRIC, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm87215">BGWORKER_BACKEND_DATABASE_CONNECTION, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm87208">BGWORKER_SHMEM_ACCESS, <a class="indexterm" href="bgworker.html">Background Worker Processes</a></dt><dt id="ientry-idm39532">bgwriter_delay configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER">Background Writer</a></dt><dt id="ientry-idm39569">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-idm39546">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-idm39556">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-idm6483">bigserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6755">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-idm13500">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-idm35460">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-idm14106">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-idm31431">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-idm24681">bit_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13669">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-idm12143">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-idm24703">bit_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24725">bit_xor, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm62528">BLOB (see <a href="#ientry-idm62526">large object</a>)</dt><dt id="ientry-idm44177">block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm164634">bloom, <a class="indexterm" href="bloom.html">bloom</a></dt><dt id="ientry-idm38758">bonjour configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38768">bonjour_name configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm7882">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-idm24747">bool_and, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24757">bool_or, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm37200">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-idm19234">bound_box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19191">box, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm8158">box (data type), <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.8">Boxes</a></dt><dt id="ientry-idm31339">BRIN (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm29864">brin_desummarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm168856">brin_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm168876">brin_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm168845">brin_page_type, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm168866">brin_revmap_data, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.7">BRIN Functions</a></dt><dt id="ientry-idm29841">brin_summarize_new_values, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm29851">brin_summarize_range, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm19641">broadcast, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm46027">BSD Authentication, <a class="indexterm" href="auth-bsd.html">BSD Authentication</a></dt><dt id="ientry-idm164716">btree_gin, <a class="indexterm" href="btree-gin.html">btree_gin</a></dt><dt id="ientry-idm164763">btree_gist, <a class="indexterm" href="btree-gist.html">btree_gist</a></dt><dt id="ientry-idm12466">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-idm164133">bt_index_check, <a class="indexterm" href="amcheck.html#id-1.11.7.11.8">Functions</a></dt><dt id="ientry-idm164152">bt_index_parent_check, <a class="indexterm" href="amcheck.html#id-1.11.7.11.8">Functions</a></dt><dt id="ientry-idm168780">bt_metap, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm168798">bt_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm168789">bt_page_stats, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.6">B-Tree Functions</a></dt><dt id="ientry-idm97837">buffering storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm6757">bytea, <a class="indexterm" href="datatype-binary.html">Binary Data Types</a></dt><dt id="ientry-idm43490">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-idm57747">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-idm74905">C++, <a class="indexterm" href="xfunc-c.html#EXTEND-CPP">Using C++ for Extensibility</a></dt><dt id="ientry-idm94146">CALL, <a class="indexterm" href="sql-call.html">CALL</a></dt><dt id="ientry-idm60697">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-idm23791">cardinality, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm2781">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-idm50562">Cascading Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm23304">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-idm95988">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-idm11217">cbrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11229">ceil, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11248">ceiling, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19017">center, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45980">Certificate, <a class="indexterm" href="auth-cert.html">Certificate Authentication</a></dt><dt id="ientry-idm81359">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-idm6615">char, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm6609">character, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm43673">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-idm6611">character varying, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm12169">character_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12156">char_length, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm2616">check constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-CHECK-CONSTRAINTS">Check Constraints</a></dt><dt id="ientry-idm103714">CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm56496">checkpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm94214">CHECKPOINT, <a class="indexterm" href="sql-checkpoint.html">CHECKPOINT</a></dt><dt id="ientry-idm40119">checkpoint_completion_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40129">checkpoint_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40108">checkpoint_timeout configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm40147">checkpoint_warning configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm56407">checksums, <a class="indexterm" href="checksums.html">Data Checksums</a></dt><dt id="ientry-idm43203">check_function_bodies configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm12484">chr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm9924">cid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm8330">cidr, <a class="indexterm" href="datatype-net-types.html#DATATYPE-CIDR">cidr</a></dt><dt id="ientry-idm8245">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-idm164837">citext, <a class="indexterm" href="citext.html">citext</a></dt><dt id="ientry-idm38851">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-idm38828">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-idm43670">client_encoding configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43040">client_min_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17200">clock_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm94246">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-idm94316">CLUSTER, <a class="indexterm" href="sql-cluster.html">CLUSTER</a></dt><dt id="ientry-idm113447">clusterdb, <a class="indexterm" href="app-clusterdb.html">clusterdb</a></dt><dt id="ientry-idm50139">clustering, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm42661">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-idm2896">cmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2882">cmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm23381">COALESCE, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm2255">COLLATE, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-COLLATE-EXPRS">Collation Expressions</a></dt><dt id="ientry-idm46925">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-idm27614">COLLATION FOR, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm176113">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-idm3010">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-idm1809">column reference, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-COLUMN-REFS">Column References</a></dt><dt id="ientry-idm28004">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-idm94443">COMMENT, <a class="indexterm" href="sql-comment.html">COMMENT</a></dt><dt id="ientry-idm94679">COMMIT, <a class="indexterm" href="sql-commit.html">COMMIT</a></dt><dt id="ientry-idm94737">COMMIT PREPARED, <a class="indexterm" href="sql-commit-prepared.html">COMMIT PREPARED</a></dt><dt id="ientry-idm40076">commit_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40095">commit_siblings configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm5590">common table expression (see <a href="#ientry-idm5587">WITH</a>)</dt><dt id="ientry-idm10485">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-idm62445">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-idm2324">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-idm9608">computed field, <a class="indexterm" href="rowtypes.html#ROWTYPES-USAGE">Using Composite Types in Queries</a></dt><dt id="ientry-idm42800">compute_query_id configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm12499">concat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12514">concat_ws, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm33567">concurrency, <a class="indexterm" href="mvcc.html">Concurrency Control</a></dt><dt id="ientry-idm23306">conditional expression, <a class="indexterm" href="functions-conditional.html">Conditional Expressions</a></dt><dt id="ientry-idm28608">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-idm35506">configure, <a class="indexterm" href="install-procedure.html#CONFIGURE">Installation Procedure</a></dt><dt id="ientry-idm36214">configure environment variables, <a class="indexterm" href="install-procedure.html#CONFIGURE-ENVVARS">configure Environment Variables</a></dt><dt id="ientry-idm35610">configure options, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS">configure Options</a></dt><dt id="ientry-idm38580">config_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm10395">conjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm172867">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-idm62048">connection service file, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm58208">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-idm2610">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-idm4288">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-idm41395">constraint_exclusion configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm73253">container type, <a class="indexterm" href="extend-type-system.html">The PostgreSQL Type System</a></dt><dt id="ientry-idm80758">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-idm49751">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-idm76208">control file, <a class="indexterm" href="extend-extensions.html#id-1.8.3.20.11">Extension Files</a></dt><dt id="ientry-idm13966">convert, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13986">convert_from, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm14004">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-idm25043">corr, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25041">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-idm11867">cos, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11879">cosd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11994">cosh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11891">cot, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11903">cotd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm24767">count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25056">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-idm25059">covar_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25075">covar_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm31587">covering index, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm41184">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-idm41193">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-idm41175">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-idm95367">CREATE ACCESS METHOD, <a class="indexterm" href="sql-create-access-method.html">CREATE ACCESS METHOD</a></dt><dt id="ientry-idm95436">CREATE AGGREGATE, <a class="indexterm" href="sql-createaggregate.html">CREATE AGGREGATE</a></dt><dt id="ientry-idm95837">CREATE CAST, <a class="indexterm" href="sql-createcast.html">CREATE CAST</a></dt><dt id="ientry-idm96034">CREATE COLLATION, <a class="indexterm" href="sql-createcollation.html">CREATE COLLATION</a></dt><dt id="ientry-idm96160">CREATE CONVERSION, <a class="indexterm" href="sql-createconversion.html">CREATE CONVERSION</a></dt><dt id="ientry-idm46491">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-idm96482">CREATE DOMAIN, <a class="indexterm" href="sql-createdomain.html">CREATE DOMAIN</a></dt><dt id="ientry-idm96605">CREATE EVENT TRIGGER, <a class="indexterm" href="sql-createeventtrigger.html">CREATE EVENT TRIGGER</a></dt><dt id="ientry-idm96691">CREATE EXTENSION, <a class="indexterm" href="sql-createextension.html">CREATE EXTENSION</a></dt><dt id="ientry-idm96799">CREATE FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-createforeigndatawrapper.html">CREATE FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm96896">CREATE FOREIGN TABLE, <a class="indexterm" href="sql-createforeigntable.html">CREATE FOREIGN TABLE</a></dt><dt id="ientry-idm97126">CREATE FUNCTION, <a class="indexterm" href="sql-createfunction.html">CREATE FUNCTION</a></dt><dt id="ientry-idm97558">CREATE GROUP, <a class="indexterm" href="sql-creategroup.html">CREATE GROUP</a></dt><dt id="ientry-idm97597">CREATE INDEX, <a class="indexterm" href="sql-createindex.html">CREATE INDEX</a></dt><dt id="ientry-idm98071">CREATE LANGUAGE, <a class="indexterm" href="sql-createlanguage.html">CREATE LANGUAGE</a></dt><dt id="ientry-idm98195">CREATE MATERIALIZED VIEW, <a class="indexterm" href="sql-creatematerializedview.html">CREATE MATERIALIZED VIEW</a></dt><dt id="ientry-idm98308">CREATE OPERATOR, <a class="indexterm" href="sql-createoperator.html">CREATE OPERATOR</a></dt><dt id="ientry-idm98467">CREATE OPERATOR CLASS, <a class="indexterm" href="sql-createopclass.html">CREATE OPERATOR CLASS</a></dt><dt id="ientry-idm98630">CREATE OPERATOR FAMILY, <a class="indexterm" href="sql-createopfamily.html">CREATE OPERATOR FAMILY</a></dt><dt id="ientry-idm98689">CREATE POLICY, <a class="indexterm" href="sql-createpolicy.html">CREATE POLICY</a></dt><dt id="ientry-idm99093">CREATE PROCEDURE, <a class="indexterm" href="sql-createprocedure.html">CREATE PROCEDURE</a></dt><dt id="ientry-idm99299">CREATE PUBLICATION, <a class="indexterm" href="sql-createpublication.html">CREATE PUBLICATION</a></dt><dt id="ientry-idm46074">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-idm99779">CREATE RULE, <a class="indexterm" href="sql-createrule.html">CREATE RULE</a></dt><dt id="ientry-idm99954">CREATE SCHEMA, <a class="indexterm" href="sql-createschema.html">CREATE SCHEMA</a></dt><dt id="ientry-idm100065">CREATE SEQUENCE, <a class="indexterm" href="sql-createsequence.html">CREATE SEQUENCE</a></dt><dt id="ientry-idm100275">CREATE SERVER, <a class="indexterm" href="sql-createserver.html">CREATE SERVER</a></dt><dt id="ientry-idm100367">CREATE STATISTICS, <a class="indexterm" href="sql-createstatistics.html">CREATE STATISTICS</a></dt><dt id="ientry-idm100468">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-idm101948">CREATE TABLE AS, <a class="indexterm" href="sql-createtableas.html">CREATE TABLE AS</a></dt><dt id="ientry-idm46670">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-idm102257">CREATE TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-createtsconfig.html">CREATE TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm102316">CREATE TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-createtsdictionary.html">CREATE TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm102379">CREATE TEXT SEARCH PARSER, <a class="indexterm" href="sql-createtsparser.html">CREATE TEXT SEARCH PARSER</a></dt><dt id="ientry-idm102452">CREATE TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-createtstemplate.html">CREATE TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm102508">CREATE TRANSFORM, <a class="indexterm" href="sql-createtransform.html">CREATE TRANSFORM</a></dt><dt id="ientry-idm102608">CREATE TRIGGER, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dt id="ientry-idm103012">CREATE TYPE, <a class="indexterm" href="sql-createtype.html">CREATE TYPE</a></dt><dt id="ientry-idm103487">CREATE USER, <a class="indexterm" href="sql-createuser.html">CREATE USER</a></dt><dt id="ientry-idm103532">CREATE USER MAPPING, <a class="indexterm" href="sql-createusermapping.html">CREATE USER MAPPING</a></dt><dt id="ientry-idm103604">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-idm46089">createuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-createuser.html">createuser</a></dt><dt id="ientry-idm138438">CREATE_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm36075">cross compilation, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm4652">cross join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm172905">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-idm169264">crypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.8.7">crypt()</a></dt><dt id="ientry-idm10197">cstring, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm122612">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-idm2903">ctid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm79048">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-idm5169">CUBE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm164987">cube (extension), <a class="indexterm" href="cube.html">cube</a></dt><dt id="ientry-idm25519">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-idm26288">current_catalog, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26293">current_database, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm17212">current_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26430">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-idm26303">current_query, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26311">current_role, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26320">current_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26334">current_schemas, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28627">current_setting, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm17224">current_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17247">current_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm26350">current_user, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm23253">currval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm81093">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-idm41419">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-idm142805">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-idm36529">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-idm37026">data area (see <a href="#ientry-idm620">database cluster</a>)</dt><dt id="ientry-idm50141">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-idm51061">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-idm44190">data_checksums configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm38571">data_directory configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm44200">data_directory_mode configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44138">data_sync_retry configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm6942">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-idm15953">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm43560">DateStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm18126">date_bin, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-BIN">date_bin</a></dt><dt id="ientry-idm17283">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-idm17311">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-idm165412">dblink, <a class="indexterm" href="dblink.html">dblink</a>, <a class="indexterm" href="contrib-dblink-function.html">dblink</a></dt><dt id="ientry-idm166157">dblink_build_sql_delete, <a class="indexterm" href="contrib-dblink-build-sql-delete.html">dblink_build_sql_delete</a></dt><dt id="ientry-idm166096">dblink_build_sql_insert, <a class="indexterm" href="contrib-dblink-build-sql-insert.html">dblink_build_sql_insert</a></dt><dt id="ientry-idm166213">dblink_build_sql_update, <a class="indexterm" href="contrib-dblink-build-sql-update.html">dblink_build_sql_update</a></dt><dt id="ientry-idm166030">dblink_cancel_query, <a class="indexterm" href="contrib-dblink-cancel-query.html">dblink_cancel_query</a></dt><dt id="ientry-idm165769">dblink_close, <a class="indexterm" href="contrib-dblink-close.html">dblink_close</a></dt><dt id="ientry-idm165420">dblink_connect, <a class="indexterm" href="contrib-dblink-connect.html">dblink_connect</a></dt><dt id="ientry-idm165477">dblink_connect_u, <a class="indexterm" href="contrib-dblink-connect-u.html">dblink_connect_u</a></dt><dt id="ientry-idm165504">dblink_disconnect, <a class="indexterm" href="contrib-dblink-disconnect.html">dblink_disconnect</a></dt><dt id="ientry-idm165840">dblink_error_message, <a class="indexterm" href="contrib-dblink-error-message.html">dblink_error_message</a></dt><dt id="ientry-idm165603">dblink_exec, <a class="indexterm" href="contrib-dblink-exec.html">dblink_exec</a></dt><dt id="ientry-idm165717">dblink_fetch, <a class="indexterm" href="contrib-dblink-fetch.html">dblink_fetch</a></dt><dt id="ientry-idm165818">dblink_get_connections, <a class="indexterm" href="contrib-dblink-get-connections.html">dblink_get_connections</a></dt><dt id="ientry-idm165946">dblink_get_notify, <a class="indexterm" href="contrib-dblink-get-notify.html">dblink_get_notify</a></dt><dt id="ientry-idm166061">dblink_get_pkey, <a class="indexterm" href="contrib-dblink-get-pkey.html">dblink_get_pkey</a></dt><dt id="ientry-idm165980">dblink_get_result, <a class="indexterm" href="contrib-dblink-get-result.html">dblink_get_result</a></dt><dt id="ientry-idm165916">dblink_is_busy, <a class="indexterm" href="contrib-dblink-is-busy.html">dblink_is_busy</a></dt><dt id="ientry-idm165654">dblink_open, <a class="indexterm" href="contrib-dblink-open.html">dblink_open</a></dt><dt id="ientry-idm165877">dblink_send_query, <a class="indexterm" href="contrib-dblink-send-query.html">dblink_send_query</a></dt><dt id="ientry-idm38906">db_user_namespace configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm34288">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-idm43886">deadlock_timeout configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm103903">DEALLOCATE, <a class="indexterm" href="sql-deallocate.html">DEALLOCATE</a></dt><dt id="ientry-idm169542">dearmor, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.16">armor(), dearmor()</a></dt><dt id="ientry-idm44212">debug_assertions configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44632">debug_deadlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44450">debug_discard_caches configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42062">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-idm42038">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-idm42050">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-idm42044">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-idm6287">decimal (see <a href="#ientry-idm1485">numeric</a>)</dt><dt id="ientry-idm103954">DECLARE, <a class="indexterm" href="sql-declare.html">DECLARE</a></dt><dt id="ientry-idm14044">decode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm83122">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-idm169666">decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm169670">decrypt_iv, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm97815">deduplicate_items storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm2529">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-idm176214">default-roles, <a class="indexterm" href="default-roles.html">Default Roles Renamed to Predefined Roles</a></dt><dt id="ientry-idm41380">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-idm43138">default_tablespace configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43126">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-idm43729">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-idm43161">default_toast_compression configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43255">default_transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43220">default_transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43240">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-idm43252">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-idm167204">defined, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm11265">degrees, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm18324">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-idm167219">delete, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm4494">deleting, <a class="indexterm" href="dml-delete.html">Deleting Data</a></dt><dt id="ientry-idm25490">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-idm19031">diagonal, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm19044">diameter, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm166277">dict_int, <a class="indexterm" href="dict-int.html">dict_int</a></dt><dt id="ientry-idm166322">dict_xsyn, <a class="indexterm" href="dict-xsyn.html">dict_xsyn</a></dt><dt id="ientry-idm166676">difference, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.6">Soundex</a></dt><dt id="ientry-idm169164">digest, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.7.2">digest()</a></dt><dt id="ientry-idm33606">dirty read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm104319">DISCARD, <a class="indexterm" href="sql-discard.html">DISCARD</a></dt><dt id="ientry-idm10397">disjunction, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm56671">disk drive, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm49054">disk space, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-SPACE-RECOVERY">Recovering Disk Space</a></dt><dt id="ientry-idm56272">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-idm11277">div, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm166723">dmetaphone, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.9">Double Metaphone</a></dt><dt id="ientry-idm166725">dmetaphone_alt, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.9">Double Metaphone</a></dt><dt id="ientry-idm104374">DO, <a class="indexterm" href="sql-do.html">DO</a></dt><dt id="ientry-idm31867">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-idm9874">domain, <a class="indexterm" href="domains.html">Domain Types</a></dt><dt id="ientry-idm6394">double precision, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm104438">DROP ACCESS METHOD, <a class="indexterm" href="sql-drop-access-method.html">DROP ACCESS METHOD</a></dt><dt id="ientry-idm104494">DROP AGGREGATE, <a class="indexterm" href="sql-dropaggregate.html">DROP AGGREGATE</a></dt><dt id="ientry-idm104594">DROP CAST, <a class="indexterm" href="sql-dropcast.html">DROP CAST</a></dt><dt id="ientry-idm104653">DROP COLLATION, <a class="indexterm" href="sql-dropcollation.html">DROP COLLATION</a></dt><dt id="ientry-idm104713">DROP CONVERSION, <a class="indexterm" href="sql-dropconversion.html">DROP CONVERSION</a></dt><dt id="ientry-idm46641">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-idm104829">DROP DOMAIN, <a class="indexterm" href="sql-dropdomain.html">DROP DOMAIN</a></dt><dt id="ientry-idm104887">DROP EVENT TRIGGER, <a class="indexterm" href="sql-dropeventtrigger.html">DROP EVENT TRIGGER</a></dt><dt id="ientry-idm104944">DROP EXTENSION, <a class="indexterm" href="sql-dropextension.html">DROP EXTENSION</a></dt><dt id="ientry-idm105010">DROP FOREIGN DATA WRAPPER, <a class="indexterm" href="sql-dropforeigndatawrapper.html">DROP FOREIGN DATA WRAPPER</a></dt><dt id="ientry-idm105069">DROP FOREIGN TABLE, <a class="indexterm" href="sql-dropforeigntable.html">DROP FOREIGN TABLE</a></dt><dt id="ientry-idm105128">DROP FUNCTION, <a class="indexterm" href="sql-dropfunction.html">DROP FUNCTION</a></dt><dt id="ientry-idm105230">DROP GROUP, <a class="indexterm" href="sql-dropgroup.html">DROP GROUP</a></dt><dt id="ientry-idm105258">DROP INDEX, <a class="indexterm" href="sql-dropindex.html">DROP INDEX</a></dt><dt id="ientry-idm105329">DROP LANGUAGE, <a class="indexterm" href="sql-droplanguage.html">DROP LANGUAGE</a></dt><dt id="ientry-idm105394">DROP MATERIALIZED VIEW, <a class="indexterm" href="sql-dropmaterializedview.html">DROP MATERIALIZED VIEW</a></dt><dt id="ientry-idm105454">DROP OPERATOR, <a class="indexterm" href="sql-dropoperator.html">DROP OPERATOR</a></dt><dt id="ientry-idm105531">DROP OPERATOR CLASS, <a class="indexterm" href="sql-dropopclass.html">DROP OPERATOR CLASS</a></dt><dt id="ientry-idm105607">DROP OPERATOR FAMILY, <a class="indexterm" href="sql-dropopfamily.html">DROP OPERATOR FAMILY</a></dt><dt id="ientry-idm105680">DROP OWNED, <a class="indexterm" href="sql-drop-owned.html">DROP OWNED</a></dt><dt id="ientry-idm105742">DROP POLICY, <a class="indexterm" href="sql-droppolicy.html">DROP POLICY</a></dt><dt id="ientry-idm105805">DROP PROCEDURE, <a class="indexterm" href="sql-dropprocedure.html">DROP PROCEDURE</a></dt><dt id="ientry-idm105924">DROP PUBLICATION, <a class="indexterm" href="sql-droppublication.html">DROP PUBLICATION</a></dt><dt id="ientry-idm46076">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-idm106040">DROP ROUTINE, <a class="indexterm" href="sql-droproutine.html">DROP ROUTINE</a></dt><dt id="ientry-idm106114">DROP RULE, <a class="indexterm" href="sql-droprule.html">DROP RULE</a></dt><dt id="ientry-idm106178">DROP SCHEMA, <a class="indexterm" href="sql-dropschema.html">DROP SCHEMA</a></dt><dt id="ientry-idm106242">DROP SEQUENCE, <a class="indexterm" href="sql-dropsequence.html">DROP SEQUENCE</a></dt><dt id="ientry-idm106302">DROP SERVER, <a class="indexterm" href="sql-dropserver.html">DROP SERVER</a></dt><dt id="ientry-idm106361">DROP STATISTICS, <a class="indexterm" href="sql-dropstatistics.html">DROP STATISTICS</a></dt><dt id="ientry-idm106413">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-idm106543">DROP TABLESPACE, <a class="indexterm" href="sql-droptablespace.html">DROP TABLESPACE</a></dt><dt id="ientry-idm106597">DROP TEXT SEARCH CONFIGURATION, <a class="indexterm" href="sql-droptsconfig.html">DROP TEXT SEARCH CONFIGURATION</a></dt><dt id="ientry-idm106656">DROP TEXT SEARCH DICTIONARY, <a class="indexterm" href="sql-droptsdictionary.html">DROP TEXT SEARCH DICTIONARY</a></dt><dt id="ientry-idm106714">DROP TEXT SEARCH PARSER, <a class="indexterm" href="sql-droptsparser.html">DROP TEXT SEARCH PARSER</a></dt><dt id="ientry-idm106772">DROP TEXT SEARCH TEMPLATE, <a class="indexterm" href="sql-droptstemplate.html">DROP TEXT SEARCH TEMPLATE</a></dt><dt id="ientry-idm106830">DROP TRANSFORM, <a class="indexterm" href="sql-droptransform.html">DROP TRANSFORM</a></dt><dt id="ientry-idm106895">DROP TRIGGER, <a class="indexterm" href="sql-droptrigger.html">DROP TRIGGER</a></dt><dt id="ientry-idm106960">DROP TYPE, <a class="indexterm" href="sql-droptype.html">DROP TYPE</a></dt><dt id="ientry-idm107020">DROP USER, <a class="indexterm" href="sql-dropuser.html">DROP USER</a></dt><dt id="ientry-idm107049">DROP USER MAPPING, <a class="indexterm" href="sql-dropusermapping.html">DROP USER MAPPING</a></dt><dt id="ientry-idm107110">DROP VIEW, <a class="indexterm" href="sql-dropview.html">DROP VIEW</a></dt><dt id="ientry-idm46651">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-idm46091">dropuser, <a class="indexterm" href="database-roles.html">Database Roles</a>, <a class="indexterm" href="app-dropuser.html">dropuser</a></dt><dt id="ientry-idm138747">DROP_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm8686">DTD, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm36194">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-idm5337">duplicates, <a class="indexterm" href="queries-select-lists.html#QUERIES-DISTINCT">DISTINCT</a></dt><dt id="ientry-idm43843">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-idm74117">dynamic_library_path, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm43840">dynamic_library_path configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER">Other Defaults</a></dt><dt id="ientry-idm39396">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-idm167172">each, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm166425">earth, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm166379">earthdistance, <a class="indexterm" href="earthdistance.html">earthdistance</a></dt><dt id="ientry-idm166489">earth_box, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm166479">earth_distance, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm62932">ECPG, <a class="indexterm" href="ecpg.html">ECPG — Embedded SQL in C</a></dt><dt id="ientry-idm114686">ecpg, <a class="indexterm" href="app-ecpg.html">ecpg</a></dt><dt id="ientry-idm41243">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-idm39609">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-idm82510">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-idm62927">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-idm69555">enabled role, <a class="indexterm" href="infoschema-enabled-roles.html">enabled_roles</a></dt><dt id="ientry-idm40927">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-idm40939">enable_bitmapscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40949">enable_gathermerge configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40959">enable_hashagg configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40969">enable_hashjoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40979">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-idm41001">enable_indexonlyscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm40991">enable_indexscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41012">enable_material configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41022">enable_memoize configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41032">enable_mergejoin configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41042">enable_nestloop configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41052">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-idm41062">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-idm41093">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-idm41083">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-idm41072">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-idm41106">enable_seqscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41116">enable_sort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41126">enable_tidscan configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm14022">encode, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm83172">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-idm83144">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-idm83133">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-idm83162">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-idm169664">encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm38010">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-idm169668">encrypt_iv, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.10">Raw Encryption Functions</a></dt><dt id="ientry-idm107168">END, <a class="indexterm" href="sql-end.html">END</a></dt><dt id="ientry-idm7970">enumerated types, <a class="indexterm" href="datatype-enum.html">Enumerated Types</a></dt><dt id="ientry-idm18361">enum_first, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18373">enum_last, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm18385">enum_range, <a class="indexterm" href="functions-enum.html">Enum Support Functions</a></dt><dt id="ientry-idm61745">environment variable, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm86101">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-idm141057">ereport, <a class="indexterm" href="error-message-reporting.html">Reporting Errors Within the Server</a></dt><dt id="ientry-idm59599">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-idm59046">error message, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm14075">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-idm44003">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-idm59995">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-idm38315">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-idm77311">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-idm41780">event_source configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm10183">event_trigger, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm24785">every, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5374">EXCEPT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm80908">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-idm2840">exclusion constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION">Exclusion Constraints</a></dt><dt id="ientry-idm107231">EXECUTE, <a class="indexterm" href="sql-execute.html">EXECUTE</a></dt><dt id="ientry-idm167190">exist, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm25774">EXISTS, <a class="indexterm" href="functions-subquery.html">Subquery Expressions</a></dt><dt id="ientry-idm80726">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-idm44116">exit_on_error configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm11294">exp, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm34445">EXPLAIN, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a>, <a class="indexterm" href="sql-explain.html">EXPLAIN</a></dt><dt id="ientry-idm1753">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-idm73200">extending SQL, <a class="indexterm" href="extend.html">Extending SQL</a></dt><dt id="ientry-idm76159">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-idm38612">external_pid_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm17350">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-idm43646">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-idm11311">factorial, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm50133">failover, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm7887">false, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm19653">family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm60771">fast path, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm97855">fastupdate storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm10189">fdw_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm107494">FETCH, <a class="indexterm" href="sql-fetch.html">FETCH</a></dt><dt id="ientry-idm9610">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-idm1854">field selection, <a class="indexterm" href="sql-expressions.html#FIELD-SELECTION">Field Selection</a></dt><dt id="ientry-idm37125">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-idm166529">file_fdw, <a class="indexterm" href="file-fdw.html">file_fdw</a></dt><dt id="ientry-idm97793">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-idm1932">FILTER, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm25698">first_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm35456">flex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm6396">float4 (see <a href="#ientry-idm6392">real</a>)</dt><dt id="ientry-idm6399">float8 (see <a href="#ientry-idm6394">double precision</a>)</dt><dt id="ientry-idm6402">floating point, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm43643">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-idm11323">floor, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm44469">force_parallel_mode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm4332">foreign data, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm141678">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-idm4334">foreign table, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm12531">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-idm15953">formatting, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27219">format_type, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm147801">Free Space Map, <a class="indexterm" href="storage-fsm.html">Free Space Map</a></dt><dt id="ientry-idm37221">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-idm41429">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-idm147803">FSM (see <a href="#ientry-idm147801">Free Space Map</a>)</dt><dt id="ientry-idm168699">fsm_page_contents, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm39784">fsync configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm8544">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-idm39943">full_page_writes configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm1898">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-idm5126">functional dependency, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm166656">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-idm11342">gcd, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm166442">gc_to_sec, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm2557">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-idm26152">generate_series, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm26234">generate_subscripts, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm41301">genetic query optimization, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm169716">gen_random_bytes, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.11">Random-Data Functions</a></dt><dt id="ientry-idm20740">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-idm169280">gen_salt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.8.8">gen_salt()</a></dt><dt id="ientry-idm41303">GEQO (see <a href="#ientry-idm41301">genetic query optimization</a>)</dt><dt id="ientry-idm41306">geqo configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41328">geqo_effort configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41349">geqo_generations configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41339">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-idm41368">geqo_seed configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm41359">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-idm41316">geqo_threshold configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO">Genetic Query Optimizer</a></dt><dt id="ientry-idm13703">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-idm13719">get_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm20037">get_current_ts_config, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm168646">get_raw_page, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm31322">GIN (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm29876">gin_clean_pending_list, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-INDEX">Index Maintenance Functions</a></dt><dt id="ientry-idm43867">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-idm168912">gin_leafpage_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm168892">gin_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm168902">gin_page_opaque_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.8">GIN Functions</a></dt><dt id="ientry-idm43543">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-idm31283">GiST (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm168935">gist_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm168945">gist_page_items_bytea, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm168925">gist_page_opaque_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.9">GiST Functions</a></dt><dt id="ientry-idm82355">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-idm3041">GRANT, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-grant.html">GRANT</a></dt><dt id="ientry-idm23442">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-idm150754">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-idm5083">grouping, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUP">The GROUP BY and HAVING Clauses</a></dt><dt id="ientry-idm25543">GROUPING, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm5167">GROUPING SETS, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm38249">gssapi, <a class="indexterm" href="gssapi-enc.html">Secure TCP/IP Connections with GSSAPI Encryption</a></dt><dt id="ientry-idm45555">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-idm8642">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-idm31273">hash (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm168988">hash_bitmap_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm39301">hash_mem_multiplier configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm168998">hash_metapage_info, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm168978">hash_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm168968">hash_page_stats, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm168958">hash_page_type, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.10">Hash Functions</a></dt><dt id="ientry-idm26612">has_any_column_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26633">has_column_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26659">has_database_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26681">has_foreign_data_wrapper_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26699">has_function_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26721">has_language_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26739">has_parameter_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26757">has_schema_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26776">has_sequence_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26796">has_server_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26838">has_tablespace_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26814">has_table_privilege, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26856">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-idm38591">hba_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm168715">heap_page_items, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm168746">heap_page_item_attrs, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm168760">heap_tuple_infomask_flags, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm19056">height, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm14085">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-idm50131">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-idm169183">hmac, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.7.3">hmac()</a></dt><dt id="ientry-idm19667">host, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm58312">host
name, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm19679">hostmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm50722">hot standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm40755">hot_standby configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm40819">hot_standby_feedback configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm37546">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-idm166733">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-idm167070">hstore_to_array, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm167096">hstore_to_json, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm167113">hstore_to_jsonb, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm167144">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-idm167130">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-idm167083">hstore_to_matrix, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm39193">huge_pages configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm39229">huge_page_size configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm25448">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-idm167436">icount, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm35800">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-idm45716">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-idm138360">IDENTIFY_SYSTEM, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm38601">ident_file configuration parameter, <a class="indexterm" href="runtime-config-file-locations.html">File Locations</a></dt><dt id="ientry-idm43371">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-idm43382">idle_session_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm167509">idx, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm23385">IFNULL, <a class="indexterm" href="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL">COALESCE</a></dt><dt id="ientry-idm44689">ignore_checksum_failure configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44719">ignore_invalid_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44495">ignore_system_indexes configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm73984">IMMUTABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm107982">IMPORT FOREIGN SCHEMA, <a class="indexterm" href="sql-importforeignschema.html">IMPORT FOREIGN SCHEMA</a></dt><dt id="ientry-idm25776">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-idm31617">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-idm38517">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-idm38534">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-idm38525">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-idm31177">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-idm143124">Index Access Method, <a class="indexterm" href="indexam.html">Index Access Method Interface Definition</a></dt><dt id="ientry-idm40989">index scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm31582">index-only scan, <a class="indexterm" href="indexes-index-only-scans.html">Index-Only Scans and Covering Indexes</a></dt><dt id="ientry-idm143126">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-idm10193">index_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm8314">inet (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-INET">inet</a></dt><dt id="ientry-idm26361">inet_client_addr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26370">inet_client_port, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm19691">inet_merge, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm19704">inet_same_family, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm26379">inet_server_addr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm26388">inet_server_port, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm6335">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-idm67579">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-idm12548">initcap, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm37043">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-idm147839">Initialization Fork, <a class="indexterm" href="storage-init.html">The Initialization Fork</a></dt><dt id="ientry-idm75196">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-idm4431">inserting, <a class="indexterm" href="dml-insert.html">Inserting Data</a></dt><dt id="ientry-idm35278">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-idm82269">instr function, <a class="indexterm" href="plpgsql-porting.html#PLPGSQL-PORTING-APPENDIX">Appendix</a></dt><dt id="ientry-idm6256">int2 (see <a href="#ientry-idm6249">smallint</a>)</dt><dt id="ientry-idm6253">int4 (see <a href="#ientry-idm1481">integer</a>)</dt><dt id="ientry-idm6259">int8 (see <a href="#ientry-idm1483">bigint</a>)</dt><dt id="ientry-idm167364">intagg, <a class="indexterm" href="intagg.html">intagg</a></dt><dt id="ientry-idm167406">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-idm44227">integer_datetimes configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm174091">interfaces</dt><dd><dl><dt>externally maintained, <a class="indexterm" href="external-interfaces.html">Client Interfaces</a></dt></dl></dd><dt id="ientry-idm10199">internal, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm5372">INTERSECT, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm6958">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-idm15953">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm43587">IntervalStyle configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm167555">intset, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm167371">int_array_aggregate, <a class="indexterm" href="intagg.html#id-1.11.7.28.4">Functions</a></dt><dt id="ientry-idm167378">int_array_enum, <a class="indexterm" href="intagg.html#id-1.11.7.28.4">Functions</a></dt><dt id="ientry-idm25344">inverse distribution, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm44239">in_hot_standby configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm143953">in_range support functions, <a class="indexterm" href="btree-support-funcs.html">B-Tree Support Functions</a></dt><dt id="ientry-idm10814">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-idm20946">IS DOCUMENT, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.6.3">IS DOCUMENT</a></dt><dt id="ientry-idm10882">IS FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10816">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-idm20958">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-idm10884">IS NOT FALSE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10836">IS NOT NULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10880">IS NOT TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10888">IS NOT UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10834">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-idm10878">IS TRUE, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10886">IS UNKNOWN, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm19068">isclosed, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm24387">isempty, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm17378">isfinite, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm167745">isn, <a class="indexterm" href="isn.html">isn</a></dt><dt id="ientry-idm10838">ISNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm167872">isn_weak, <a class="indexterm" href="isn.html#id-1.11.7.30.7">Functions and Operators</a></dt><dt id="ientry-idm19080">isopen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm83197">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-idm167896">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-idm57237">JIT, <a class="indexterm" href="jit.html">Just-in-Time Compilation (JIT)</a></dt><dt id="ientry-idm41443">jit configuration parameter, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER">Other Planner Options</a></dt><dt id="ientry-idm41258">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-idm44733">jit_debugging_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44744">jit_dump_bitcode configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44757">jit_expressions configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm41271">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-idm41283">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-idm44768">jit_profiling_support configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm43823">jit_provider configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-PRELOAD">Shared Library Preloading</a></dt><dt id="ientry-idm44780">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-idm41456">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-idm8737">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-idm8739">JSONB, <a class="indexterm" href="datatype-json.html">JSON Types</a></dt><dt id="ientry-idm8870">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-idm24802">jsonb_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21905">jsonb_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21924">jsonb_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21944">jsonb_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21806">jsonb_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21828">jsonb_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21969">jsonb_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21996">jsonb_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22025">jsonb_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22052">jsonb_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22288">jsonb_insert, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21849">jsonb_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24823">jsonb_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22076">jsonb_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22339">jsonb_path_exists, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22465">jsonb_path_exists_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22366">jsonb_path_match, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22480">jsonb_path_match_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, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22416">jsonb_path_query_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22510">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-idm22440">jsonb_path_query_first, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22525">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-idm22495">jsonb_path_query_tz, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22098">jsonb_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22153">jsonb_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22549">jsonb_pretty, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22221">jsonb_set, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22253">jsonb_set_lax, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22327">jsonb_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22179">jsonb_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22204">jsonb_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20272">jsonb_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22568">jsonb_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm9076">jsonpath, <a class="indexterm" href="datatype-json.html#DATATYPE-JSONPATH">jsonpath Type</a></dt><dt id="ientry-idm24796">json_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm21899">json_array_elements, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21918">json_array_elements_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21938">json_array_length, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21799">json_build_array, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21821">json_build_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21959">json_each, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21986">json_each_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22015">json_extract_path, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22042">json_extract_path_text, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21843">json_object, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm24814">json_object_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm22070">json_object_keys, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22089">json_populate_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22144">json_populate_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22321">json_strip_nulls, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22173">json_to_record, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm22198">json_to_recordset, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm20260">json_to_tsvector, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm22562">json_typeof, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm150777">Julian date, <a class="indexterm" href="datetime-julian-dates.html">Julian Dates</a></dt><dt id="ientry-idm57240">Just-In-Time compilation (see <a href="#ientry-idm57237">JIT</a>)</dt><dt id="ientry-idm17410">justify_days, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17422">justify_hours, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17434">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-idm38895">krb_caseins_users configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm38881">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-idm4836">label (see <a href="#ientry-idm810">alias</a>)</dt><dt id="ientry-idm25648">lag, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm10187">language_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm62526">large object, <a class="indexterm" href="largeobjects.html">Large Objects</a></dt><dt id="ientry-idm23268">lastval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm25709">last_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm4996">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-idm166461">latitude, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm168510">lca, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm11360">lcm, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm44250">lc_collate configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44260">lc_ctype configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43683">lc_messages configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43696">lc_monetary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43707">lc_numeric configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43718">lc_time configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm35894">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-idm62079">LDAP connection parameter lookup, <a class="indexterm" href="libpq-ldap.html">LDAP Lookup of Connection Parameters</a></dt><dt id="ientry-idm36422">ldconfig, <a class="indexterm" href="install-post.html#INSTALL-POST-SHLIBS">Shared Libraries</a></dt><dt id="ientry-idm25673">lead, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm23444">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-idm12560">left, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4737">left join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm12161">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-idm32480">length(tsvector), <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm166688">levenshtein, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.7">Levenshtein</a></dt><dt id="ientry-idm166690">levenshtein_less_equal, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.7">Levenshtein</a></dt><dt id="ientry-idm35458">lex, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm35344">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-idm35378">libperl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm57745">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-idm57772">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-idm58819">libpq-int.h, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm35401">libpython, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm74147">library initialization function, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm14410">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-idm15793">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-idm5504">LIMIT, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm8088">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-idm8128">line segment, <a class="indexterm" href="datatype-geometric.html#DATATYPE-LSEG">Line Segments</a></dt><dt id="ientry-idm25024">linear regression, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm37235">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-idm108488">LISTEN, <a class="indexterm" href="sql-listen.html">LISTEN</a></dt><dt id="ientry-idm38649">listen_addresses configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm35832">llvm-config, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dt id="ientry-idm166451">ll_to_earth, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm11378">ln, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm167956">lo, <a class="indexterm" href="lo.html">lo</a></dt><dt id="ientry-idm108558">LOAD, <a class="indexterm" href="sql-load.html">LOAD</a></dt><dt id="ientry-idm50137">load balancing, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm37111">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-idm17448">localtime, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17471">localtimestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm43761">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-idm33876">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-idm33890">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-idm43350">lock_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11394">log, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm50381">log shipping, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm11410">log10, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm26427">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-idm41573">logging_collector configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm87328">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-idm39352">logical_decoding_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm46121">login privilege, <a class="indexterm" href="role-attributes.html">Role Attributes</a></dt><dt id="ientry-idm42076">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-idm44644">log_btree_build_stats configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42091">log_checkpoints configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42101">log_connections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41514">log_destination configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41594">log_directory configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm42116">log_disconnections configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42128">log_duration configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42148">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-idm42842">log_executor_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm41606">log_filename configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41639">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-idm42169">log_hostname configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm42179">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-idm42334">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-idm41868">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-idm41847">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-idm41822">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-idm41796">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-idm42359">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-idm42373">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-idm42830">log_parser_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42836">log_planner_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42346">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-idm42422">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-idm41658">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-idm41669">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-idm41918">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-idm42385">log_statement configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41887">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-idm42824">log_statement_stats configuration parameter, <a class="indexterm" href="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR">Statistics Monitoring</a></dt><dt id="ientry-idm42434">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-idm42444">log_timezone configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT">What to Log</a></dt><dt id="ientry-idm41902">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-idm41680">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-idm166470">longitude, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm83185">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-idm80696">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-idm12181">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-idm24399">lower_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24423">lower_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm62801">lo_close, <a class="indexterm" href="lo-interfaces.html#LO-CLOSE">Closing a Large Object Descriptor</a></dt><dt id="ientry-idm44018">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-idm62602">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-idm62591">lo_create, <a class="indexterm" href="lo-interfaces.html#LO-CREATE">Creating a Large Object</a></dt><dt id="ientry-idm62649">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-idm62832">lo_from_bytea, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62867">lo_get, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62626">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-idm62632">lo_import_with_oid, <a class="indexterm" href="lo-interfaces.html#LO-IMPORT">Importing a Large Object</a></dt><dt id="ientry-idm62733">lo_lseek, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm62743">lo_lseek64, <a class="indexterm" href="lo-interfaces.html#LO-SEEK">Seeking in a Large Object</a></dt><dt id="ientry-idm62657">lo_open, <a class="indexterm" href="lo-interfaces.html#LO-OPEN">Opening an Existing Large Object</a></dt><dt id="ientry-idm62849">lo_put, <a class="indexterm" href="lo-funcs.html">Server-Side Functions</a></dt><dt id="ientry-idm62716">lo_read, <a class="indexterm" href="lo-interfaces.html#LO-READ">Reading Data from a Large Object</a></dt><dt id="ientry-idm62755">lo_tell, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm62759">lo_tell64, <a class="indexterm" href="lo-interfaces.html#LO-TELL">Obtaining the Seek Position of a Large Object</a></dt><dt id="ientry-idm62770">lo_truncate, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm62787">lo_truncate64, <a class="indexterm" href="lo-interfaces.html#LO-TRUNCATE">Truncating a Large Object</a></dt><dt id="ientry-idm62811">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-idm62699">lo_write, <a class="indexterm" href="lo-interfaces.html#LO-WRITE">Writing Data to a Large Object</a></dt><dt id="ientry-idm12590">lpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm8126">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-idm56645">LSN, <a class="indexterm" href="wal-internals.html">WAL Internals</a></dt><dt id="ientry-idm168012">ltree, <a class="indexterm" href="ltree.html">ltree</a></dt><dt id="ientry-idm168499">ltree2text, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm12613">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-idm8443">MAC address (see macaddr)</dt><dt id="ientry-idm8472">MAC address (EUI-64 format) (see macaddr)</dt><dt id="ientry-idm8441">macaddr (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR">macaddr</a></dt><dt id="ientry-idm8470">macaddr8 (data type), <a class="indexterm" href="datatype-net-types.html#DATATYPE-MACADDR8">macaddr8</a></dt><dt id="ientry-idm19840">macaddr8_set7bit, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm36571">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-idm74136">magic block, <a class="indexterm" href="xfunc-c.html#XFUNC-C-DYNLOAD">Dynamic Loading</a></dt><dt id="ientry-idm48978">maintenance, <a class="indexterm" href="maintenance.html">Routine Database Maintenance Tasks</a></dt><dt id="ientry-idm39625">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-idm39317">maintenance_work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm35314">make, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm27036">makeaclitem, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm17494">make_date, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17511">make_interval, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17543">make_time, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17560">make_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm17583">make_timestamptz, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm167887">make_valid, <a class="indexterm" href="isn.html#id-1.11.7.30.7">Functions and Operators</a></dt><dt id="ientry-idm36452">MANPATH, <a class="indexterm" href="install-post.html#id-1.6.4.9.3">Environment Variables</a></dt><dt id="ientry-idm19717">masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm79122">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-idm135717">materialized views, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm24838">max, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm38675">max_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm39446">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-idm44271">max_function_args configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44281">max_identifier_length configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44293">max_index_keys configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43900">max_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm40889">max_logical_replication_workers configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SUBSCRIBER">Subscribers</a></dt><dt id="ientry-idm39669">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-idm39685">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-idm39651">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-idm43939">max_pred_locks_per_page configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm43927">max_pred_locks_per_relation configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm43914">max_pred_locks_per_transaction configuration parameter, <a class="indexterm" href="runtime-config-locks.html">Lock Management</a></dt><dt id="ientry-idm39268">max_prepared_transactions configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40540">max_replication_slots configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40571">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-idm39364">max_stack_depth configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm40766">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-idm40780">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-idm40901">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-idm40526">max_wal_senders configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40161">max_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm39637">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-idm12631">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-idm45489">MD5, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm2015">median, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm25375">percentile</a>)</dt></dl></dd><dt id="ientry-idm86640">memory context</dt><dd><dl><dt>in SPI, <a class="indexterm" href="spi-memory.html">Memory Management</a></dt></dl></dd><dt id="ientry-idm37702">memory overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm108738">MERGE, <a class="indexterm" href="sql-merge.html">MERGE</a></dt><dt id="ientry-idm166709">metaphone, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.8">Metaphone</a></dt><dt id="ientry-idm24856">min, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm36604">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-idm39413">min_dynamic_shared_memory configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm41231">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-idm41220">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-idm11442">min_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm40175">min_wal_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS">Checkpoints</a></dt><dt id="ientry-idm11454">mod, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm25361">mode</dt><dd><dl><dt>statistical, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt></dl></dd><dt id="ientry-idm51058">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-idm109097">MOVE, <a class="indexterm" href="sql-move.html">MOVE</a></dt><dt id="ientry-idm75024">moving-aggregate mode, <a class="indexterm" href="xaggr.html#XAGGR-MOVING-AGGREGATES">Moving-Aggregate Mode</a></dt><dt id="ientry-idm24568">multirange (function), <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm9650">multirange type, <a class="indexterm" href="rangetypes.html">Range Types</a></dt><dt id="ientry-idm33573">Multiversion Concurrency Control, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm49314">MultiXactId, <a class="indexterm" href="routine-vacuuming.html#VACUUM-FOR-MULTIXACT-WRAPAROUND">Multixacts and Wraparound</a></dt><dt id="ientry-idm33575">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-idm6338">NaN (see <a href="#ientry-idm6341">not a number</a>)</dt><dt id="ientry-idm4784">natural join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm10399">negation, <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm37260">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-idm19729">netmask, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm8269">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-idm23203">nextval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm37136">NFS, <a class="indexterm" href="creating-cluster.html#CREATING-CLUSTER-NFS">NFS</a></dt><dt id="ientry-idm168439">nlevel, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm35017">non-durable, <a class="indexterm" href="non-durability.html">Non-Durable Settings</a></dt><dt id="ientry-idm57900">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-idm33612">nonrepeatable read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm12193">normalize, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm12118">normalized, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm172891">normal_rand, <a class="indexterm" href="tablefunc.html#id-1.11.7.52.5.4">normal_rand</a></dt><dt id="ientry-idm10393">NOT (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm6341">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-idm25778">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-idm2671">not-null constraint, <a class="indexterm" href="ddl-constraints.html#id-1.5.4.6.6">Not-Null Constraints</a></dt><dt id="ientry-idm2414">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-idm61480">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-idm61493">notice processor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61488">notice receiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm60822">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-idm10840">NOTNULL, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm17614">now, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm19106">npoints, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm25720">nth_value, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm25638">ntile, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm2534">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-idm23407">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-idm6283">numeric (data type), <a class="indexterm" href="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL">Arbitrary Precision Numbers</a></dt><dt id="ientry-idm20062">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-idm10917">num_nonnulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm10930">num_nulls, <a class="indexterm" href="functions-comparison.html">Comparison Functions and Operators</a></dt><dt id="ientry-idm23383">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-idm9895">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-idm28017">obj_description, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm15795">OCCURRENCES_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm12215">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-idm5506">OFFSET, <a class="indexterm" href="queries-limit.html">LIMIT and OFFSET</a></dt><dt id="ientry-idm9898">oid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm59972">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-idm173703">oid2name, <a class="indexterm" href="oid2name.html">oid2name</a></dt><dt id="ientry-idm168621">old_snapshot, <a class="indexterm" href="oldsnapshot.html">old_snapshot</a></dt><dt id="ientry-idm39710">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-idm108264">ON CONFLICT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm4623">ONLY, <a class="indexterm" href="queries-table-expressions.html#QUERIES-FROM">The FROM Clause</a></dt><dt id="ientry-idm37704">OOM, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm37228">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-idm35861">OpenSSL, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-FEATURES">PostgreSQL Features</a></dt><dd><dl><dt>(see also <a href="#ientry-idm38057">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-idm31676">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-idm31678">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-idm74931">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-idm10391">OR (operator), <a class="indexterm" href="functions-logical.html">Logical Operators</a></dt><dt id="ientry-idm82059">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-idm1928">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-idm76062">ordering operator, <a class="indexterm" href="xindex.html#XINDEX-OPCLASS-DEPENDENCIES">System Dependencies on Operator Classes</a></dt><dt id="ientry-idm26262">ordinality, <a class="indexterm" href="functions-srf.html">Set Returning Functions</a></dt><dt id="ientry-idm4693">outer join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm75198">output function, <a class="indexterm" href="xtypes.html">User-Defined Types</a></dt><dt id="ientry-idm2042">OVER clause, <a class="indexterm" href="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS">Window Function Calls</a></dt><dt id="ientry-idm37706">overcommit, <a class="indexterm" href="kernel-resources.html#LINUX-MEMORY-OVERCOMMIT">Linux Memory Overcommit</a></dt><dt id="ientry-idm17674">OVERLAPS, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm12240">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-idm73944">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-idm3039">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-idm168636">pageinspect, <a class="indexterm" href="pageinspect.html">pageinspect</a></dt><dt id="ientry-idm97889">pages_per_range storage parameter, <a class="indexterm" href="sql-createindex.html#SQL-CREATEINDEX-STORAGE-PARAMETERS">Index Storage Parameters</a></dt><dt id="ientry-idm168685">page_checksum, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm168669">page_header, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.4">General Functions</a></dt><dt id="ientry-idm74536">palloc, <a class="indexterm" href="xfunc-c.html#id-1.8.3.13.8">Writing Code</a></dt><dt id="ientry-idm35909">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-idm35047">parallel query, <a class="indexterm" href="parallel-query.html">Parallel Query</a></dt><dt id="ientry-idm39697">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-idm41202">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-idm41211">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-idm101479">parallel_workers storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1821">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-idm1800">parenthesis, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm12644">parse_ident, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4257">partition pruning, <a class="indexterm" href="ddl-partitioning.html#DDL-PARTITION-PRUNING">Partition Pruning</a></dt><dt id="ientry-idm3971">partitioned table, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm3966">partitioning, <a class="indexterm" href="ddl-partitioning.html">Table Partitioning</a></dt><dt id="ientry-idm37099">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-idm62015">password file, <a class="indexterm" href="libpq-pgpass.html">The Password File</a></dt><dt id="ientry-idm169007">passwordcheck, <a class="indexterm" href="passwordcheck.html">passwordcheck</a></dt><dt id="ientry-idm38865">password_encryption configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-AUTHENTICATION">Authentication</a></dt><dt id="ientry-idm19316">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-idm36433">PATH, <a class="indexterm" href="install-post.html#id-1.6.4.9.3">Environment Variables</a></dt><dt id="ientry-idm8187">path (data type), <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.9">Paths</a></dt><dt id="ientry-idm14387">pattern matching, <a class="indexterm" href="functions-matching.html">Pattern Matching</a></dt><dt id="ientry-idm123021">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-idm19120">pclose, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45750">peer, <a class="indexterm" href="auth-peer.html">Peer Authentication</a></dt><dt id="ientry-idm25375">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-idm25504">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-idm34438">performance, <a class="indexterm" href="performance-tips.html">Performance Tips</a></dt><dt id="ientry-idm35472">perl, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm82779">Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm3036">permission (see <a href="#ientry-idm3034">privilege</a>)</dt><dt id="ientry-idm74539">pfree, <a class="indexterm" href="xfunc-c.html#id-1.8.3.13.8">Writing Code</a></dt><dt id="ientry-idm61836">PGAPPNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm115851">pgbench, <a class="indexterm" href="pgbench.html">pgbench</a></dt><dt id="ientry-idm60713">PGcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm61806">PGCHANNELBINDING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61956">PGCLIENTENCODING, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm57780">PGconn, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61949">PGCONNECT_TIMEOUT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm169146">pgcrypto, <a class="indexterm" href="pgcrypto.html">pgcrypto</a></dt><dt id="ientry-idm37060">PGDATA, <a class="indexterm" href="creating-cluster.html">Creating a Database Cluster</a></dt><dt id="ientry-idm61776">PGDATABASE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61975">PGDATESTYLE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61647">PGEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-PROC">Event Callback Procedure</a></dt><dt id="ientry-idm61989">PGGEQO, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61928">PGGSSENCMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61942">PGGSSLIB, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61754">PGHOST, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61761">PGHOSTADDR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61935">PGKRBSRVNAME, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm62008">PGLOCALEDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61829">PGOPTIONS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61799">PGPASSFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61790">PGPASSWORD, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61769">PGPORT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm169553">pgp_armor_headers, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.17">pgp_armor_headers</a></dt><dt id="ientry-idm169518">pgp_key_id, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.15">pgp_key_id()</a></dt><dt id="ientry-idm169501">pgp_pub_decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.14">pgp_pub_decrypt()</a></dt><dt id="ientry-idm169503">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-idm169488">pgp_pub_encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.13">pgp_pub_encrypt()</a></dt><dt id="ientry-idm169490">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-idm169473">pgp_sym_decrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.12">pgp_sym_decrypt()</a></dt><dt id="ientry-idm169475">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-idm169461">pgp_sym_encrypt, <a class="indexterm" href="pgcrypto.html#id-1.11.7.37.9.11">pgp_sym_encrypt()</a></dt><dt id="ientry-idm169463">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-idm61907">PGREQUIREPEER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61850">PGREQUIRESSL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm59407">PGresult, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm169895">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-idm61813">PGSERVICE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61820">PGSERVICEFILE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61865">PGSSLCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61858">PGSSLCOMPRESSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61886">PGSSLCRL, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61893">PGSSLCRLDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61872">PGSSLKEY, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61921">PGSSLMAXPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61914">PGSSLMINPROTOCOLVERSION, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61843">PGSSLMODE, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61879">PGSSLROOTCERT, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61900">PGSSLSNI, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm170704">pgstatginindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm170740">pgstathashindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm170614">pgstatindex, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm170507">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-idm170820">pgstattuple_approx, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm62001">PGSYSCONFDIR, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61963">PGTARGETSESSIONATTRS, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61982">PGTZ, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm61783">PGUSER, <a class="indexterm" href="libpq-envars.html">Environment Variables</a></dt><dt id="ientry-idm76563">pgxs, <a class="indexterm" href="extend-pgxs.html">Extension Building Infrastructure</a></dt><dt id="ientry-idm30153">pg_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30170">pg_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30187">pg_advisory_unlock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30206">pg_advisory_unlock_all, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30214">pg_advisory_unlock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30233">pg_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30250">pg_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm128320">pg_aggregate, <a class="indexterm" href="catalog-pg-aggregate.html">pg_aggregate</a></dt><dt id="ientry-idm128534">pg_am, <a class="indexterm" href="catalog-pg-am.html">pg_am</a></dt><dt id="ientry-idm114852">pg_amcheck, <a class="indexterm" href="app-pgamcheck.html">pg_amcheck</a></dt><dt id="ientry-idm128588">pg_amop, <a class="indexterm" href="catalog-pg-amop.html">pg_amop</a></dt><dt id="ientry-idm128709">pg_amproc, <a class="indexterm" href="catalog-pg-amproc.html">pg_amproc</a></dt><dt id="ientry-idm125007">pg_archivecleanup, <a class="indexterm" href="pgarchivecleanup.html">pg_archivecleanup</a></dt><dt id="ientry-idm128781">pg_attrdef, <a class="indexterm" href="catalog-pg-attrdef.html">pg_attrdef</a></dt><dt id="ientry-idm128832">pg_attribute, <a class="indexterm" href="catalog-pg-attribute.html">pg_attribute</a></dt><dt id="ientry-idm129060">pg_authid, <a class="indexterm" href="catalog-pg-authid.html">pg_authid</a></dt><dt id="ientry-idm129183">pg_auth_members, <a class="indexterm" href="catalog-pg-auth-members.html">pg_auth_members</a></dt><dt id="ientry-idm134876">pg_available_extensions, <a class="indexterm" href="view-pg-available-extensions.html">pg_available_extensions</a></dt><dt id="ientry-idm134923">pg_available_extension_versions, <a class="indexterm" href="view-pg-available-extension-versions.html">pg_available_extension_versions</a></dt><dt id="ientry-idm135001">pg_backend_memory_contexts, <a class="indexterm" href="view-pg-backend-memory-contexts.html">pg_backend_memory_contexts</a></dt><dt id="ientry-idm26397">pg_backend_pid, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28835">pg_backup_start, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28851">pg_backup_stop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm115272">pg_basebackup, <a class="indexterm" href="app-pgbasebackup.html">pg_basebackup</a></dt><dt id="ientry-idm26405">pg_blocking_pids, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm169033">pg_buffercache, <a class="indexterm" href="pgbuffercache.html">pg_buffercache</a></dt><dt id="ientry-idm169037">pg_buffercache_pages, <a class="indexterm" href="pgbuffercache.html">pg_buffercache</a></dt><dt id="ientry-idm28692">pg_cancel_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm129239">pg_cast, <a class="indexterm" href="catalog-pg-cast.html">pg_cast</a></dt><dt id="ientry-idm27231">pg_char_to_encoding, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm125126">pg_checksums, <a class="indexterm" href="app-pgchecksums.html">pg_checksums</a></dt><dt id="ientry-idm129327">pg_class, <a class="indexterm" href="catalog-pg-class.html">pg_class</a></dt><dt id="ientry-idm12664">pg_client_encoding, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm129651">pg_collation, <a class="indexterm" href="catalog-pg-collation.html">pg_collation</a></dt><dt id="ientry-idm29738">pg_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27070">pg_collation_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm176120">PG_COLOR, <a class="indexterm" href="color-when.html">When Color is Used</a></dt><dt id="ientry-idm176135">PG_COLORS, <a class="indexterm" href="color-which.html">Configuring the Colors</a></dt><dt id="ientry-idm29545">pg_column_compression, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29536">pg_column_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm62466">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-idm26417">pg_conf_load_time, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm129761">pg_constraint, <a class="indexterm" href="catalog-pg-constraint.html">pg_constraint</a></dt><dt id="ientry-idm125267">pg_controldata, <a class="indexterm" href="app-pgcontroldata.html">pg_controldata</a></dt><dt id="ientry-idm28339">pg_control_checkpoint, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28357">pg_control_init, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28366">pg_control_recovery, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28348">pg_control_system, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130011">pg_conversion, <a class="indexterm" href="catalog-pg-conversion.html">pg_conversion</a></dt><dt id="ientry-idm27080">pg_conversion_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29231">pg_copy_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29207">pg_copy_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29181">pg_create_logical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29143">pg_create_physical_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm28799">pg_create_restore_point, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm37066">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-idm26425">pg_current_logfile, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28097">pg_current_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28811">pg_current_wal_flush_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28819">pg_current_wal_insert_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28827">pg_current_wal_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28063">pg_current_xact_id, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28071">pg_current_xact_id_if_assigned, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135112">pg_cursors, <a class="indexterm" href="view-pg-cursors.html">pg_cursors</a></dt><dt id="ientry-idm46597">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-idm29750">pg_database_collation_actual_version, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29555">pg_database_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm130234">pg_db_role_setting, <a class="indexterm" href="catalog-pg-db-role-setting.html">pg_db_role_setting</a></dt><dt id="ientry-idm10185">pg_ddl_command, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm130278">pg_default_acl, <a class="indexterm" href="catalog-pg-default-acl.html">pg_default_acl</a></dt><dt id="ientry-idm130347">pg_depend, <a class="indexterm" href="catalog-pg-depend.html">pg_depend</a></dt><dt id="ientry-idm27892">pg_describe_object, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130500">pg_description, <a class="indexterm" href="catalog-pg-description.html">pg_description</a></dt><dt id="ientry-idm29169">pg_drop_replication_slot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm117874">pg_dump, <a class="indexterm" href="app-pgdump.html">pg_dump</a></dt><dt id="ientry-idm37908">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-idm27242">pg_encoding_to_char, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm130554">pg_enum, <a class="indexterm" href="catalog-pg-enum.html">pg_enum</a></dt><dt id="ientry-idm130607">pg_event_trigger, <a class="indexterm" href="catalog-pg-event-trigger.html">pg_event_trigger</a></dt><dt id="ientry-idm30409">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-idm30484">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-idm30598">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-idm30606">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-idm29106">pg_export_snapshot, <a class="indexterm" href="functions-admin.html#FUNCTIONS-SNAPSHOT-SYNCHRONIZATION">Snapshot Synchronization Functions</a></dt><dt id="ientry-idm130681">pg_extension, <a class="indexterm" href="catalog-pg-extension.html">pg_extension</a></dt><dt id="ientry-idm76396">pg_extension_config_dump, <a class="indexterm" href="extend-extensions.html#EXTEND-EXTENSIONS-CONFIG-TABLES">Extension Configuration Tables</a></dt><dt id="ientry-idm29713">pg_filenode_relation, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm164084">pg_file_rename, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm135191">pg_file_settings, <a class="indexterm" href="view-pg-file-settings.html">pg_file_settings</a></dt><dt id="ientry-idm164078">pg_file_sync, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm164098">pg_file_unlink, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm164070">pg_file_write, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm130765">pg_foreign_data_wrapper, <a class="indexterm" href="catalog-pg-foreign-data-wrapper.html">pg_foreign_data_wrapper</a></dt><dt id="ientry-idm130835">pg_foreign_server, <a class="indexterm" href="catalog-pg-foreign-server.html">pg_foreign_server</a></dt><dt id="ientry-idm130908">pg_foreign_table, <a class="indexterm" href="catalog-pg-foreign-table.html">pg_foreign_table</a></dt><dt id="ientry-idm169803">pg_freespace, <a class="indexterm" href="pgfreespacemap.html#id-1.11.7.38.5">Functions</a></dt><dt id="ientry-idm169787">pg_freespacemap, <a class="indexterm" href="pgfreespacemap.html">pg_freespacemap</a></dt><dt id="ientry-idm27090">pg_function_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27252">pg_get_catalog_foreign_keys, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27279">pg_get_constraintdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27292">pg_get_expr, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27307">pg_get_functiondef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27319">pg_get_function_arguments, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27330">pg_get_function_identity_arguments, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27341">pg_get_function_result, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27354">pg_get_indexdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27370">pg_get_keywords, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27961">pg_get_object_address, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27402">pg_get_ruledef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27415">pg_get_serial_sequence, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27435">pg_get_statisticsobjdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27445">pg_get_triggerdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27458">pg_get_userbyid, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27468">pg_get_viewdef, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29022">pg_get_wal_replay_pause_state, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28988">pg_get_wal_resource_managers, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm135267">pg_group, <a class="indexterm" href="view-pg-group.html">pg_group</a></dt><dt id="ientry-idm26876">pg_has_role, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm44956">pg_hba.conf, <a class="indexterm" href="auth-pg-hba-conf.html">The pg_hba.conf File</a></dt><dt id="ientry-idm135313">pg_hba_file_rules, <a class="indexterm" href="view-pg-hba-file-rules.html">pg_hba_file_rules</a></dt><dt id="ientry-idm45358">pg_ident.conf, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm27908">pg_identify_object, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27937">pg_identify_object_as_address, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135399">pg_ident_file_mappings, <a class="indexterm" href="view-pg-ident-file-mappings.html">pg_ident_file_mappings</a></dt><dt id="ientry-idm29762">pg_import_system_collations, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm130955">pg_index, <a class="indexterm" href="catalog-pg-index.html">pg_index</a></dt><dt id="ientry-idm27535">pg_indexam_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135459">pg_indexes, <a class="indexterm" href="view-pg-indexes.html">pg_indexes</a></dt><dt id="ientry-idm29570">pg_indexes_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27505">pg_index_column_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27521">pg_index_has_property, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131149">pg_inherits, <a class="indexterm" href="catalog-pg-inherits.html">pg_inherits</a></dt><dt id="ientry-idm131199">pg_init_privs, <a class="indexterm" href="catalog-pg-init-privs.html">pg_init_privs</a></dt><dt id="ientry-idm119251">pg_isready, <a class="indexterm" href="app-pg-isready.html">pg_isready</a></dt><dt id="ientry-idm28952">pg_is_in_recovery, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26465">pg_is_other_temp_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29014">pg_is_wal_replay_paused, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26474">pg_jit_available, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131270">pg_language, <a class="indexterm" href="catalog-pg-language.html">pg_language</a></dt><dt id="ientry-idm131360">pg_largeobject, <a class="indexterm" href="catalog-pg-largeobject.html">pg_largeobject</a></dt><dt id="ientry-idm131413">pg_largeobject_metadata, <a class="indexterm" href="catalog-pg-largeobject-metadata.html">pg_largeobject_metadata</a></dt><dt id="ientry-idm28312">pg_last_committed_xact, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28960">pg_last_wal_receive_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28969">pg_last_wal_replay_lsn, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28978">pg_last_xact_replay_timestamp, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm26486">pg_listening_channels, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135519">pg_locks, <a class="indexterm" href="view-pg-locks.html">pg_locks</a></dt><dt id="ientry-idm164103">pg_logdir_ls, <a class="indexterm" href="adminpack.html">adminpack</a></dt><dt id="ientry-idm29495">pg_logical_emit_message, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29310">pg_logical_slot_get_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29258">pg_logical_slot_get_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29335">pg_logical_slot_peek_binary_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29286">pg_logical_slot_peek_changes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm28703">pg_log_backend_memory_contexts, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm10134">pg_lsn, <a class="indexterm" href="datatype-pg-lsn.html">pg_lsn Type</a></dt><dt id="ientry-idm30023">pg_ls_archive_statusdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29916">pg_ls_dir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29937">pg_ls_logdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29969">pg_ls_logicalmapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29986">pg_ls_logicalsnapdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30003">pg_ls_replslotdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30040">pg_ls_tmpdir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm29953">pg_ls_waldir, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm135715">pg_matviews, <a class="indexterm" href="view-pg-matviews.html">pg_matviews</a></dt><dt id="ientry-idm30623">pg_mcv_list_items, <a class="indexterm" href="functions-statistics.html#FUNCTIONS-STATISTICS-MCV">Inspecting MCV Lists</a></dt><dt id="ientry-idm26457">pg_my_temp_schema, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131454">pg_namespace, <a class="indexterm" href="catalog-pg-namespace.html">pg_namespace</a></dt><dt id="ientry-idm26494">pg_notification_queue_usage, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm109226">pg_notify, <a class="indexterm" href="sql-notify.html#id-1.9.3.158.7.5">pg_notify</a></dt><dt id="ientry-idm131499">pg_opclass, <a class="indexterm" href="catalog-pg-opclass.html">pg_opclass</a></dt><dt id="ientry-idm27100">pg_opclass_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131599">pg_operator, <a class="indexterm" href="catalog-pg-operator.html">pg_operator</a></dt><dt id="ientry-idm27110">pg_operator_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131744">pg_opfamily, <a class="indexterm" href="catalog-pg-opfamily.html">pg_opfamily</a></dt><dt id="ientry-idm27120">pg_opfamily_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27549">pg_options_to_table, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm131811">pg_parameter_acl, <a class="indexterm" href="catalog-pg-parameter-acl.html">pg_parameter_acl</a></dt><dt id="ientry-idm131850">pg_partitioned_table, <a class="indexterm" href="catalog-pg-partitioned-table.html">pg_partitioned_table</a></dt><dt id="ientry-idm29806">pg_partition_ancestors, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29815">pg_partition_root, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29789">pg_partition_tree, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm135789">pg_policies, <a class="indexterm" href="view-pg-policies.html">pg_policies</a></dt><dt id="ientry-idm131943">pg_policy, <a class="indexterm" href="catalog-pg-policy.html">pg_policy</a></dt><dt id="ientry-idm26504">pg_postmaster_start_time, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm135863">pg_prepared_statements, <a class="indexterm" href="view-pg-prepared-statements.html">pg_prepared_statements</a></dt><dt id="ientry-idm135936">pg_prepared_xacts, <a class="indexterm" href="view-pg-prepared-xacts.html">pg_prepared_xacts</a></dt><dt id="ientry-idm169831">pg_prewarm, <a class="indexterm" href="pgprewarm.html">pg_prewarm</a></dt><dt id="ientry-idm169870">pg_prewarm.autoprewarm configuration parameter, <a class="indexterm" href="pgprewarm.html#id-1.11.7.39.5">Configuration Parameters</a></dt><dt id="ientry-idm169880">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-idm132031">pg_proc, <a class="indexterm" href="catalog-pg-proc.html">pg_proc</a></dt><dt id="ientry-idm29033">pg_promote, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm132320">pg_publication, <a class="indexterm" href="catalog-pg-publication.html">pg_publication</a></dt><dt id="ientry-idm132399">pg_publication_namespace, <a class="indexterm" href="catalog-pg-publication-namespace.html">pg_publication_namespace</a></dt><dt id="ientry-idm132440">pg_publication_rel, <a class="indexterm" href="catalog-pg-publication-rel.html">pg_publication_rel</a></dt><dt id="ientry-idm135994">pg_publication_tables, <a class="indexterm" href="view-pg-publication-tables.html">pg_publication_tables</a></dt><dt id="ientry-idm132499">pg_range, <a class="indexterm" href="catalog-pg-range.html">pg_range</a></dt><dt id="ientry-idm30086">pg_read_binary_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm30062">pg_read_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm119401">pg_receivewal, <a class="indexterm" href="app-pgreceivewal.html">pg_receivewal</a></dt><dt id="ientry-idm176255">pg_receivexlog, <a class="indexterm" href="app-pgreceivexlog.html">pg_receivexlog renamed to pg_receivewal</a> (see <a href="#ientry-idm119401">pg_receivewal</a>)</dt><dt id="ientry-idm119722">pg_recvlogical, <a class="indexterm" href="app-pgrecvlogical.html">pg_recvlogical</a></dt><dt id="ientry-idm29687">pg_relation_filenode, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29702">pg_relation_filepath, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29579">pg_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm28716">pg_reload_conf, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm170806">pg_relpages, <a class="indexterm" href="pgstattuple.html#id-1.11.7.42.5">Functions</a></dt><dt id="ientry-idm132587">pg_replication_origin, <a class="indexterm" href="catalog-pg-replication-origin.html">pg_replication_origin</a></dt><dt id="ientry-idm29470">pg_replication_origin_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29377">pg_replication_origin_create, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29387">pg_replication_origin_drop, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29397">pg_replication_origin_oid, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29482">pg_replication_origin_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29428">pg_replication_origin_session_is_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29436">pg_replication_origin_session_progress, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29419">pg_replication_origin_session_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29408">pg_replication_origin_session_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm136057">pg_replication_origin_status, <a class="indexterm" href="view-pg-replication-origin-status.html">pg_replication_origin_status</a></dt><dt id="ientry-idm29461">pg_replication_origin_xact_reset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm29447">pg_replication_origin_xact_setup, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm136106">pg_replication_slots, <a class="indexterm" href="view-pg-replication-slots.html">pg_replication_slots</a></dt><dt id="ientry-idm29360">pg_replication_slot_advance, <a class="indexterm" href="functions-admin.html#FUNCTIONS-REPLICATION">Replication Management Functions</a></dt><dt id="ientry-idm125869">pg_resetwal, <a class="indexterm" href="app-pgresetwal.html">pg_resetwal</a></dt><dt id="ientry-idm176240">pg_resetxlog, <a class="indexterm" href="app-pgresetxlog.html">pg_resetxlog renamed to pg_resetwal</a> (see <a href="#ientry-idm125869">pg_resetwal</a>)</dt><dt id="ientry-idm120017">pg_restore, <a class="indexterm" href="app-pgrestore.html">pg_restore</a></dt><dt id="ientry-idm126109">pg_rewind, <a class="indexterm" href="app-pgrewind.html">pg_rewind</a></dt><dt id="ientry-idm132620">pg_rewrite, <a class="indexterm" href="catalog-pg-rewrite.html">pg_rewrite</a></dt><dt id="ientry-idm136255">pg_roles, <a class="indexterm" href="view-pg-roles.html">pg_roles</a></dt><dt id="ientry-idm28733">pg_rotate_logfile, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm136357">pg_rules, <a class="indexterm" href="view-pg-rules.html">pg_rules</a></dt><dt id="ientry-idm26512">pg_safe_snapshot_blocking_pids, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm132706">pg_seclabel, <a class="indexterm" href="catalog-pg-seclabel.html">pg_seclabel</a></dt><dt id="ientry-idm136414">pg_seclabels, <a class="indexterm" href="view-pg-seclabels.html">pg_seclabels</a></dt><dt id="ientry-idm132764">pg_sequence, <a class="indexterm" href="catalog-pg-sequence.html">pg_sequence</a></dt><dt id="ientry-idm136495">pg_sequences, <a class="indexterm" href="view-pg-sequences.html">pg_sequences</a></dt><dt id="ientry-idm62050">pg_service.conf, <a class="indexterm" href="libpq-pgservice.html">The Connection Service File</a></dt><dt id="ientry-idm136592">pg_settings, <a class="indexterm" href="view-pg-settings.html">pg_settings</a></dt><dt id="ientry-idm27567">pg_settings_get_flags, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm136813">pg_shadow, <a class="indexterm" href="view-pg-shadow.html">pg_shadow</a></dt><dt id="ientry-idm132839">pg_shdepend, <a class="indexterm" href="catalog-pg-shdepend.html">pg_shdepend</a></dt><dt id="ientry-idm132951">pg_shdescription, <a class="indexterm" href="catalog-pg-shdescription.html">pg_shdescription</a></dt><dt id="ientry-idm136901">pg_shmem_allocations, <a class="indexterm" href="view-pg-shmem-allocations.html">pg_shmem_allocations</a></dt><dt id="ientry-idm132999">pg_shseclabel, <a class="indexterm" href="catalog-pg-shseclabel.html">pg_shseclabel</a></dt><dt id="ientry-idm29610">pg_size_bytes, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm29620">pg_size_pretty, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm18316">pg_sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18318">pg_sleep_for, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm18320">pg_sleep_until, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm28106">pg_snapshot_xip, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28115">pg_snapshot_xmax, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28125">pg_snapshot_xmin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm51424">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-idm51446">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-idm51402">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-idm51432">pg_statio_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51454">pg_statio_sys_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51410">pg_statio_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51439">pg_statio_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51461">pg_statio_user_sequences, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51417">pg_statio_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm34691">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-idm27130">pg_statistics_obj_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm34738">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-idm34740">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-idm34703">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-idm137084">pg_stats_ext, <a class="indexterm" href="view-pg-stats-ext.html">pg_stats_ext</a></dt><dt id="ientry-idm137232">pg_stats_ext_exprs, <a class="indexterm" href="view-pg-stats-ext-exprs.html">pg_stats_ext_exprs</a></dt><dt id="ientry-idm51182">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-idm51380">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-idm51335">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-idm51295">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-idm51303">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-idm54680">pg_stat_clear_snapshot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51319">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-idm51327">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-idm30111">pg_stat_file, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-GENFILE">Generic File Access Functions</a></dt><dt id="ientry-idm54638">pg_stat_get_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54805">pg_stat_get_backend_activity, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54814">pg_stat_get_backend_activity_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54823">pg_stat_get_backend_client_addr, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54832">pg_stat_get_backend_client_port, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54841">pg_stat_get_backend_dbid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54797">pg_stat_get_backend_idset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54850">pg_stat_get_backend_pid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54859">pg_stat_get_backend_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54868">pg_stat_get_backend_userid, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54887">pg_stat_get_backend_wait_event, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54877">pg_stat_get_backend_wait_event_type, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54898">pg_stat_get_backend_xact_start, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54649">pg_stat_get_snapshot_timestamp, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54659">pg_stat_get_xact_blocks_fetched, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54670">pg_stat_get_xact_blocks_hit, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51230">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-idm51238">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-idm51272">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-idm51263">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-idm51279">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-idm51246">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-idm51255">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-idm51206">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-idm51190">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-idm51493">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-idm54688">pg_stat_reset, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54754">pg_stat_reset_replication_slot, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54697">pg_stat_reset_shared, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54725">pg_stat_reset_single_function_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54715">pg_stat_reset_single_table_counters, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54735">pg_stat_reset_slru, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm54765">pg_stat_reset_subscription_stats, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-FUNCTIONS">Statistics Functions</a></dt><dt id="ientry-idm51485">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-idm51222">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-idm169983">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-idm170427">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-idm170481">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-idm170439">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-idm170469">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-idm170453">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-idm170353">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-idm170390">pg_stat_statements_reset, <a class="indexterm" href="pgstatstatements.html#id-1.11.7.41.8">Functions</a></dt><dt id="ientry-idm51214">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-idm51501">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-idm51388">pg_stat_sys_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51343">pg_stat_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51468">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-idm51395">pg_stat_user_indexes, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51350">pg_stat_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51311">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-idm51198">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-idm51357">pg_stat_xact_all_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51366">pg_stat_xact_sys_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51476">pg_stat_xact_user_functions, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm51373">pg_stat_xact_user_tables, <a class="indexterm" href="monitoring-stats.html#MONITORING-STATS-VIEWS">Viewing Statistics</a></dt><dt id="ientry-idm133386">pg_subscription, <a class="indexterm" href="catalog-pg-subscription.html">pg_subscription</a></dt><dt id="ientry-idm133506">pg_subscription_rel, <a class="indexterm" href="catalog-pg-subscription-rel.html">pg_subscription_rel</a></dt><dt id="ientry-idm170911">pg_surgery, <a class="indexterm" href="pgsurgery.html">pg_surgery</a></dt><dt id="ientry-idm28879">pg_switch_wal, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm137391">pg_tables, <a class="indexterm" href="view-pg-tables.html">pg_tables</a></dt><dt id="ientry-idm133565">pg_tablespace, <a class="indexterm" href="catalog-pg-tablespace.html">pg_tablespace</a></dt><dt id="ientry-idm27579">pg_tablespace_databases, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27591">pg_tablespace_location, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29643">pg_tablespace_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm27140">pg_table_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm29634">pg_table_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm43088">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-idm28741">pg_terminate_backend, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SIGNAL">Server Signaling Functions</a></dt><dt id="ientry-idm126345">pg_test_fsync, <a class="indexterm" href="pgtestfsync.html">pg_test_fsync</a></dt><dt id="ientry-idm126423">pg_test_timing, <a class="indexterm" href="pgtesttiming.html">pg_test_timing</a></dt><dt id="ientry-idm137480">pg_timezone_abbrevs, <a class="indexterm" href="view-pg-timezone-abbrevs.html">pg_timezone_abbrevs</a></dt><dt id="ientry-idm137518">pg_timezone_names, <a class="indexterm" href="view-pg-timezone-names.html">pg_timezone_names</a></dt><dt id="ientry-idm29658">pg_total_relation_size, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT">Database Object Management Functions</a></dt><dt id="ientry-idm133620">pg_transform, <a class="indexterm" href="catalog-pg-transform.html">pg_transform</a></dt><dt id="ientry-idm170942">pg_trgm, <a class="indexterm" href="pgtrgm.html">pg_trgm</a></dt><dt id="ientry-idm171193">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-idm171214">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-idm171203">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-idm133680">pg_trigger, <a class="indexterm" href="catalog-pg-trigger.html">pg_trigger</a></dt><dt id="ientry-idm26526">pg_trigger_depth, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm30267">pg_try_advisory_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30286">pg_try_advisory_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30305">pg_try_advisory_xact_lock, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm30324">pg_try_advisory_xact_lock_shared, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADVISORY-LOCKS">Advisory Lock Functions</a></dt><dt id="ientry-idm133867">pg_ts_config, <a class="indexterm" href="catalog-pg-ts-config.html">pg_ts_config</a></dt><dt id="ientry-idm27150">pg_ts_config_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm133929">pg_ts_config_map, <a class="indexterm" href="catalog-pg-ts-config-map.html">pg_ts_config_map</a></dt><dt id="ientry-idm133982">pg_ts_dict, <a class="indexterm" href="catalog-pg-ts-dict.html">pg_ts_dict</a></dt><dt id="ientry-idm27160">pg_ts_dict_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm134048">pg_ts_parser, <a class="indexterm" href="catalog-pg-ts-parser.html">pg_ts_parser</a></dt><dt id="ientry-idm27170">pg_ts_parser_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm134134">pg_ts_template, <a class="indexterm" href="catalog-pg-ts-template.html">pg_ts_template</a></dt><dt id="ientry-idm27180">pg_ts_template_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm134193">pg_type, <a class="indexterm" href="catalog-pg-type.html">pg_type</a></dt><dt id="ientry-idm27601">pg_typeof, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27190">pg_type_is_visible, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm126514">pg_upgrade, <a class="indexterm" href="pgupgrade.html">pg_upgrade</a></dt><dt id="ientry-idm137564">pg_user, <a class="indexterm" href="view-pg-user.html">pg_user</a></dt><dt id="ientry-idm134634">pg_user_mapping, <a class="indexterm" href="catalog-pg-user-mapping.html">pg_user_mapping</a></dt><dt id="ientry-idm137639">pg_user_mappings, <a class="indexterm" href="view-pg-user-mappings.html">pg_user_mappings</a></dt><dt id="ientry-idm120649">pg_verifybackup, <a class="indexterm" href="app-pgverifybackup.html">pg_verifybackup</a></dt><dt id="ientry-idm137718">pg_views, <a class="indexterm" href="view-pg-views.html">pg_views</a></dt><dt id="ientry-idm171307">pg_visibility, <a class="indexterm" href="pgvisibility.html">pg_visibility</a></dt><dt id="ientry-idm28135">pg_visible_in_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm127007">pg_waldump, <a class="indexterm" href="pgwaldump.html">pg_waldump</a></dt><dt id="ientry-idm28889">pg_walfile_name, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm28899">pg_walfile_name_offset, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm171371">pg_walinspect, <a class="indexterm" href="pgwalinspect.html">pg_walinspect</a></dt><dt id="ientry-idm28913">pg_wal_lsn_diff, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-BACKUP">Backup Control Functions</a></dt><dt id="ientry-idm29059">pg_wal_replay_pause, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm29070">pg_wal_replay_resume, <a class="indexterm" href="functions-admin.html#FUNCTIONS-RECOVERY-CONTROL">Recovery Control Functions</a></dt><dt id="ientry-idm28290">pg_xact_commit_timestamp, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28299">pg_xact_commit_timestamp_origin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28080">pg_xact_status, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm176225">pg_xlogdump, <a class="indexterm" href="pgxlogdump.html">pg_xlogdump renamed to pg_waldump</a> (see <a href="#ientry-idm127007">pg_waldump</a>)</dt><dt id="ientry-idm33618">phantom read, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm20092">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-idm11476">pi, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm74578">PIC, <a class="indexterm" href="xfunc-c.html#DFUNC">Compiling and Linking Dynamically-Loaded Functions</a></dt><dt id="ientry-idm59073">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-idm60437">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-idm49755">PITR, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm50377">PITR standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm35808">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-idm82777">PL/Perl, <a class="indexterm" href="plperl.html">PL/Perl — Perl Procedural Language</a></dt><dt id="ientry-idm83235">PL/PerlU, <a class="indexterm" href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a></dt><dt id="ientry-idm79650">PL/pgSQL, <a class="indexterm" href="plpgsql.html">PL/pgSQL — SQL Procedural Language</a></dt><dt id="ientry-idm83472">PL/Python, <a class="indexterm" href="plpython.html">PL/Python — Python Procedural Language</a></dt><dt id="ientry-idm82062">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-idm82275">PL/Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm20075">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-idm41475">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-idm83398">plperl.on_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83429">plperl.on_plperlu_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83423">plperl.on_plperl_init configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm83445">plperl.use_strict configuration parameter, <a class="indexterm" href="plperl-under-the-hood.html#PLPERL-CONFIG">Configuration</a></dt><dt id="ientry-idm81534">plpgsql.check_asserts configuration parameter, <a class="indexterm" href="plpgsql-errors-and-messages.html#PLPGSQL-STATEMENTS-ASSERT">Checking Assertions</a></dt><dt id="ientry-idm81836">plpgsql.variable_conflict configuration parameter, <a class="indexterm" href="plpgsql-implementation.html#PLPGSQL-VAR-SUBST">Variable Substitution</a></dt><dt id="ientry-idm82748">pltcl.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm82762">pltclu.start_proc configuration parameter, <a class="indexterm" href="pltcl-config.html">PL/Tcl Configuration</a></dt><dt id="ientry-idm8074">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-idm49753">point-in-time recovery, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm3526">policy, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm8220">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-idm73298">polymorphic function, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm73296">polymorphic type, <a class="indexterm" href="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC">Polymorphic Types</a></dt><dt id="ientry-idm13671">popcount (see <a href="#ientry-idm13669">bit_count</a>)</dt><dt id="ientry-idm19132">popen, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm167254">populate_record, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm58370">port, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm38666">port configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm12269">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-idm15797">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-idm37010">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-idm38425">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-idm38409">postgresql.conf, <a class="indexterm" href="config-setting.html#CONFIG-SETTING-CONFIGURATION-FILE">Parameter Interaction via the Configuration File</a></dt><dt id="ientry-idm171446">postgres_fdw, <a class="indexterm" href="postgres-fdw.html">postgres_fdw</a></dt><dt id="ientry-idm171920">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-idm127703">postmaster, <a class="indexterm" href="app-postmaster.html">postmaster</a></dt><dt id="ientry-idm44504">post_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm11488">power, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm59068">PQbackendPID, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59831">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-idm60737">PQcancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm59695">PQclear, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61154">PQclientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm59927">PQcmdStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm59939">PQcmdTuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm58018">PQconndefaults, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57843">PQconnectdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57803">PQconnectdbParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm59086">PQconnectionNeedsPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59095">PQconnectionUsedPassword, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm57896">PQconnectPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57892">PQconnectStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57888">PQconnectStartParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm58034">PQconninfo, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61284">PQconninfoFree, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm58048">PQconninfoParse, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60337">PQconsumeInput, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61383">PQcopyResult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm58836">PQdb, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59386">PQdescribePortal, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59364">PQdescribePrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61327">PQencryptPassword, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61296">PQencryptPasswordConn, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61118">PQendcopy, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60591">PQenterPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm59042">PQerrorMessage, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60142">PQescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm60113">PQescapeByteaConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm60033">PQescapeIdentifier, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm60002">PQescapeLiteral, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm60092">PQescapeString, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm60058">PQescapeStringConn, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm59210">PQexec, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59231">PQexecParams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59350">PQexecPrepared, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm60601">PQexitPipelineMode, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm59788">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-idm58080">PQfinish, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61363">PQfireResultCreateEvents, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60419">PQflush, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm59811">PQfmod, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60779">PQfn, <a class="indexterm" href="libpq-fastpath.html">The Fast-Path Interface</a></dt><dt id="ientry-idm59734">PQfname, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59746">PQfnumber, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60725">PQfreeCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm61267">PQfreemem, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59821">PQfsize, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59764">PQftable, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59779">PQftablecol, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59797">PQftype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm60705">PQgetCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm61000">PQgetCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-RECEIVE">Functions for Receiving COPY Data</a></dt><dt id="ientry-idm59866">PQgetisnull, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59879">PQgetlength, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm61041">PQgetline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm61059">PQgetlineAsync, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm60292">PQgetResult, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm59186">PQgetssl, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58199">PQgetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm59845">PQgetvalue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm58865">PQhost, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58889">PQhostaddr, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm62364">PQinitOpenSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm62383">PQinitSSL, <a class="indexterm" href="libpq-ssl.html#LIBPQ-SSL-INITIALIZE">SSL Library Initialization</a></dt><dt id="ientry-idm61703">PQinstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60357">PQisBusy, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60410">PQisnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm62414">PQisthreadsafe, <a class="indexterm" href="libpq-threading.html">Behavior in Threaded Programs</a></dt><dt id="ientry-idm61460">PQlibVersion, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dd><dl><dt>(see also <a href="#ientry-idm59028">PQserverVersion</a>)</dt></dl></dd><dt id="ientry-idm61340">PQmakeEmptyPGresult, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59726">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-idm60840">PQnotifies, <a class="indexterm" href="libpq-notify.html">Asynchronous Notification</a></dt><dt id="ientry-idm59892">PQnparams, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59715">PQntuples, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59986">PQoidStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm59968">PQoidValue, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-NONSELECT">Retrieving Other Result Information</a></dt><dt id="ientry-idm58932">PQoptions, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58977">PQparameterStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59902">PQparamtype, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm58852">PQpass, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58156">PQping, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm58125">PQpingParams, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm60558">PQpipelineStatus, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm60612">PQpipelineSync, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm58903">PQport, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59312">PQprepare, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59912">PQprint, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO">Retrieving Query Result Information</a></dt><dt id="ientry-idm59019">PQprotocolVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60949">PQputCopyData, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm60967">PQputCopyEnd, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-SEND">Functions for Sending COPY Data</a></dt><dt id="ientry-idm61086">PQputline, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm61107">PQputnbytes, <a class="indexterm" href="libpq-copy.html#LIBPQ-COPY-DEPRECATED">Obsolete Functions for COPY</a></dt><dt id="ientry-idm61670">PQregisterEventProc, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60757">PQrequestCancel, <a class="indexterm" href="libpq-cancel.html">Canceling Queries in Progress</a></dt><dt id="ientry-idm58095">PQreset, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm58108">PQresetPoll, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm58104">PQresetStart, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm59510">PQresStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61434">PQresultAlloc, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59556">PQresultErrorField, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59519">PQresultErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm61731">PQresultInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm61447">PQresultMemorySize, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm61715">PQresultSetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm59417">PQresultStatus, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm59538">PQresultVerboseErrorMessage, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-MAIN">Main Functions</a></dt><dt id="ientry-idm60281">PQsendDescribePortal, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60270">PQsendDescribePrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60624">PQsendFlushRequest, <a class="indexterm" href="libpq-pipeline-mode.html#LIBPQ-PIPELINE-FUNCTIONS">Functions Associated with Pipeline Mode</a></dt><dt id="ientry-idm60249">PQsendPrepare, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60224">PQsendQuery, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60238">PQsendQueryParams, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm60260">PQsendQueryPrepared, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm59028">PQserverVersion, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61166">PQsetClientEncoding, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm57876">PQsetdb, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm57856">PQsetdbLogin, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61199">PQsetErrorContextVisibility, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61179">PQsetErrorVerbosity, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61689">PQsetInstanceData, <a class="indexterm" href="libpq-events.html#LIBPQ-EVENTS-FUNCS">Event Support Functions</a></dt><dt id="ientry-idm60391">PQsetnonblocking, <a class="indexterm" href="libpq-async.html">Asynchronous Command Processing</a></dt><dt id="ientry-idm61495">PQsetNoticeProcessor, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61490">PQsetNoticeReceiver, <a class="indexterm" href="libpq-notice-processing.html">Notice Processing</a></dt><dt id="ientry-idm61402">PQsetResultAttrs, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm60680">PQsetSingleRowMode, <a class="indexterm" href="libpq-single-row-mode.html">Retrieving Query Results Row-by-Row</a></dt><dt id="ientry-idm58168">PQsetSSLKeyPassHook_OpenSSL, <a class="indexterm" href="libpq-connect.html">Database Connection Control Functions</a></dt><dt id="ientry-idm61239">PQsetTraceFlags, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm61417">PQsetvalue, <a class="indexterm" href="libpq-misc.html">Miscellaneous Functions</a></dt><dt id="ientry-idm59060">PQsocket, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59114">PQsslAttribute, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59162">PQsslAttributeNames, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59106">PQsslInUse, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm59170">PQsslStruct, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58943">PQstatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm61223">PQtrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm58963">PQtransactionStatus, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm58921">PQtty, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm60161">PQunescapeBytea, <a class="indexterm" href="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING">Escaping Strings for Inclusion in SQL Commands</a></dt><dt id="ientry-idm61254">PQuntrace, <a class="indexterm" href="libpq-control.html">Control Functions</a></dt><dt id="ientry-idm58844">PQuser, <a class="indexterm" href="libpq-status.html">Connection Status Functions</a></dt><dt id="ientry-idm33802">predicate locking, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm109251">PREPARE, <a class="indexterm" href="sql-prepare.html">PREPARE</a></dt><dt id="ientry-idm109366">PREPARE TRANSACTION, <a class="indexterm" href="sql-prepare-transaction.html">PREPARE TRANSACTION</a></dt><dt id="ientry-idm103905">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-idm81883">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-idm44513">pre_auth_delay configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm2727">primary key, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-PRIMARY-KEYS">Primary Keys</a></dt><dt id="ientry-idm40711">primary_conninfo configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm40731">primary_slot_name configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm3034">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-idm79540">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-idm73502">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-idm73731">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-idm40743">promote_trigger_file configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm137768">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-idm51079">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-idm83474">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-idm3669">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-idm34447">query plan, <a class="indexterm" href="using-explain.html">Using EXPLAIN</a></dt><dt id="ientry-idm78815">query tree, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm20130">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-idm44033">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-idm12675">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-idm12689">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-idm12715">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-idm11512">radians, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm19144">radius, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm45935">RADIUS, <a class="indexterm" href="auth-radius.html">RADIUS Authentication</a></dt><dt id="ientry-idm81390">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-idm11718">random, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm41156">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-idm78841">range table, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm9648">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-idm24874">range_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24890">range_intersect_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm24447">range_merge, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm25476">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-idm33684">read committed, <a class="indexterm" href="transaction-iso.html#XACT-READ-COMMITTED">Read Committed Isolation Level</a></dt><dt id="ientry-idm43237">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-idm35342">readline, <a class="indexterm" href="install-requirements.html">Requirements</a></dt><dt id="ientry-idm123612">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-idm138536">READ_REPLICATION_SLOT, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm6392">real, <a class="indexterm" href="datatype-numeric.html#DATATYPE-FLOAT">Floating-Point Types</a></dt><dt id="ientry-idm109453">REASSIGN OWNED, <a class="indexterm" href="sql-reassign-owned.html">REASSIGN OWNED</a></dt><dt id="ientry-idm10153">record, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm176184">recovery.conf, <a class="indexterm" href="recovery-config.html">recovery.conf file merged into postgresql.conf</a></dt><dt id="ientry-idm40317">recovery.signal, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm40373">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-idm44151">recovery_init_sync_method configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm40857">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-idm40276">recovery_prefetch configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm40397">recovery_target configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY-TARGET">Recovery Target</a></dt><dt id="ientry-idm40486">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-idm40457">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-idm40443">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-idm40408">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-idm40418">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-idm40472">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-idm40433">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-idm8160">rectangle, <a class="indexterm" href="datatype-geometric.html#id-1.5.7.16.8">Boxes</a></dt><dt id="ientry-idm5627">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-idm41489">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-idm109518">REFRESH MATERIALIZED VIEW, <a class="indexterm" href="sql-refreshmaterializedview.html">REFRESH MATERIALIZED VIEW</a></dt><dt id="ientry-idm9900">regclass, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9902">regcollation, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9904">regconfig, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9906">regdictionary, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm12741">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-idm12763">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-idm12795">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-idm12815">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-idm12835">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-idm12857">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-idm12906">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-idm12925">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-idm12945">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-idm9908">regnamespace, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9910">regoper, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9912">regoperator, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9914">regproc, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9916">regprocedure, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25133">regression intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25163">regression slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm35552">regression test, <a class="indexterm" href="install-procedure.html">Installation Procedure</a></dt><dt id="ientry-idm57379">regression tests, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm9918">regrole, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm25088">regr_avgx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25104">regr_avgy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25120">regr_count, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25135">regr_intercept, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25150">regr_r2, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25165">regr_slope, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25180">regr_sxx, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25198">regr_sxy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25218">regr_syy, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm9920">regtype, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm14490">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-idm14387">pattern matching</a>)</dt></dl></dd><dt id="ientry-idm46846">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-idm49428">reindex, <a class="indexterm" href="routine-reindex.html">Routine Reindexing</a></dt><dt id="ientry-idm109586">REINDEX, <a class="indexterm" href="sql-reindex.html">REINDEX</a></dt><dt id="ientry-idm123885">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-idm109846">RELEASE SAVEPOINT, <a class="indexterm" href="sql-release-savepoint.html">RELEASE SAVEPOINT</a></dt><dt id="ientry-idm44791">remove_temp_files_after_crash configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm12976">repeat, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm33765">repeatable read, <a class="indexterm" href="transaction-iso.html#XACT-REPEATABLE-READ">Repeatable Read Isolation Level</a></dt><dt id="ientry-idm12993">replace, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm50135">replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm87849">Replication Origins, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm87847">Replication Progress Tracking, <a class="indexterm" href="replication-origins.html">Replication Progress Tracking</a></dt><dt id="ientry-idm50531">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-idm81393">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-idm109906">RESET, <a class="indexterm" href="sql-reset.html">RESET</a></dt><dt id="ientry-idm56545">restartpoint, <a class="indexterm" href="wal-configuration.html">WAL Configuration</a></dt><dt id="ientry-idm44125">restart_after_crash configuration parameter, <a class="indexterm" href="runtime-config-error-handling.html">Error Handling</a></dt><dt id="ientry-idm40328">restore_command configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVE-RECOVERY">Archive Recovery</a></dt><dt id="ientry-idm2784">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-idm34382">retryable error, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm80474">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-idm80477">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-idm4507">RETURNING, <a class="indexterm" href="dml-returning.html">Returning Data from Modified Rows</a></dt><dt id="ientry-idm80110">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-idm13013">reverse, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm3043">REVOKE, <a class="indexterm" href="ddl-priv.html">Privileges</a>, <a class="indexterm" href="sql-revoke.html">REVOKE</a></dt><dt id="ientry-idm13025">right, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm4747">right join, <a class="indexterm" href="queries-table-expressions.html#QUERIES-JOIN">Joined Tables</a></dt><dt id="ientry-idm46070">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-idm110123">ROLLBACK, <a class="indexterm" href="sql-rollback.html">ROLLBACK</a></dt><dt id="ientry-idm123298">rollback</dt><dd><dl><dt>psql, <a class="indexterm" href="app-psql.html#APP-PSQL-VARIABLES">Variables</a></dt></dl></dd><dt id="ientry-idm110184">ROLLBACK PREPARED, <a class="indexterm" href="sql-rollback-prepared.html">ROLLBACK PREPARED</a></dt><dt id="ientry-idm110233">ROLLBACK TO SAVEPOINT, <a class="indexterm" href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a></dt><dt id="ientry-idm5171">ROLLUP, <a class="indexterm" href="queries-table-expressions.html#QUERIES-GROUPING-SETS">GROUPING SETS, CUBE, and ROLLUP</a></dt><dt id="ientry-idm11524">round, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm73528">routine, <a class="indexterm" href="xproc.html">User-Defined Procedures</a></dt><dt id="ientry-idm48980">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-idm2330">ROW, <a class="indexterm" href="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS">Row Constructors</a></dt><dt id="ientry-idm148619">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-idm2327">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-idm3524">row-level security, <a class="indexterm" href="ddl-rowsecurity.html">Row Security Policies</a></dt><dt id="ientry-idm25964">row-wise comparison, <a class="indexterm" href="functions-comparisons.html">Row and Array Comparisons</a></dt><dt id="ientry-idm25595">row_number, <a class="indexterm" href="functions-window.html">Window Functions</a></dt><dt id="ientry-idm43109">row_security configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm26901">row_security_active, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm21784">row_to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm13043">rpad, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13066">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-idm78804">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-idm110307">SAVEPOINT, <a class="indexterm" href="sql-savepoint.html">SAVEPOINT</a></dt><dt id="ientry-idm109848">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-idm1758">scalar (see <a href="#ientry-idm1753">expression</a>)</dt><dt id="ientry-idm11561">scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm3640">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-idm45491">SCRAM, <a class="indexterm" href="auth-password.html">Password Authentication</a></dt><dt id="ientry-idm3714">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-idm3733">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-idm110373">SECURITY LABEL, <a class="indexterm" href="sql-security-label.html">SECURITY LABEL</a></dt><dt id="ientry-idm166433">sec_to_gc, <a class="indexterm" href="earthdistance.html#id-1.11.7.24.7">Cube-Based Earth Distances</a></dt><dt id="ientry-idm172012">seg, <a class="indexterm" href="seg.html">seg</a></dt><dt id="ientry-idm44303">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-idm80107">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-idm37326">semaphores, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm172265">sepgsql, <a class="indexterm" href="sepgsql.html">sepgsql</a></dt><dt id="ientry-idm172382">sepgsql.debug_audit configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm172369">sepgsql.permissive configuration parameter, <a class="indexterm" href="sepgsql.html#SEPGSQL-PARAMETERS">GUC Parameters</a></dt><dt id="ientry-idm6494">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-idm41104">sequential scan, <a class="indexterm" href="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE">Planner Method Configuration</a></dt><dt id="ientry-idm41146">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-idm6481">serial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6485">serial2, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6487">serial4, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm6489">serial8, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm33800">serializable, <a class="indexterm" href="transaction-iso.html#XACT-SERIALIZABLE">Serializable Isolation Level</a></dt><dt id="ientry-idm33577">Serializable Snapshot Isolation, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm33624">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-idm34380">serialization failure, <a class="indexterm" href="mvcc-serialization-failure-handling.html">Serialization Failure Handling</a></dt><dt id="ientry-idm41500">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-idm58711">Server Name Indication, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm37981">server spoofing, <a class="indexterm" href="preventing-server-spoofing.html">Preventing Server Spoofing</a></dt><dt id="ientry-idm44315">server_encoding configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44327">server_version configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44337">server_version_num configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm43788">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-idm43309">session_replication_role configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm26535">session_user, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28604">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-idm112143">SET CONSTRAINTS, <a class="indexterm" href="sql-set-constraints.html">SET CONSTRAINTS</a></dt><dt id="ientry-idm5380">set difference, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5378">set intersection, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm5382">set operation, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm26133">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-idm112205">SET ROLE, <a class="indexterm" href="sql-set-role.html">SET ROLE</a></dt><dt id="ientry-idm112284">SET SESSION AUTHORIZATION, <a class="indexterm" href="sql-set-session-authorization.html">SET SESSION AUTHORIZATION</a></dt><dt id="ientry-idm112341">SET TRANSACTION, <a class="indexterm" href="sql-set-transaction.html">SET TRANSACTION</a></dt><dt id="ientry-idm5376">set union, <a class="indexterm" href="queries-union.html">Combining Queries (UNION, INTERSECT, EXCEPT)</a></dt><dt id="ientry-idm43524">SET XML OPTION, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm11729">setseed, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm23218">setval, <a class="indexterm" href="functions-sequence.html">Sequence Manipulation Functions</a></dt><dt id="ientry-idm20144">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-idm13815">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-idm13834">set_byte, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm28649">set_config, <a class="indexterm" href="functions-admin.html#FUNCTIONS-ADMIN-SET">Configuration Settings Functions</a></dt><dt id="ientry-idm171054">set_limit, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm19754">set_masklen, <a class="indexterm" href="functions-net.html">Network Address Functions and Operators</a></dt><dt id="ientry-idm13853">sha224, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13866">sha256, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13879">sha384, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm13892">sha512, <a class="indexterm" href="functions-binarystring.html">Binary String Functions and Operators</a></dt><dt id="ientry-idm36382">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-idm37324">shared memory, <a class="indexterm" href="kernel-resources.html#SYSVIPC">Shared Memory and Semaphores</a></dt><dt id="ientry-idm39172">shared_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm44347">shared_memory_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm44356">shared_memory_size_in_huge_pages configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39379">shared_memory_type configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm74883">shared_preload_libraries, <a class="indexterm" href="xfunc-c.html#XFUNC-SHARED-ADDIN">Shared Memory and LWLocks</a></dt><dt id="ientry-idm43806">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-idm28039">shobj_description, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28606">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-idm171042">show_limit, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm171012">show_trgm, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm37786">shutdown, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm38415">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-idm37807">SIGINT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm11573">sign, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm28671">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-idm43641">significant digits, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm37816">SIGQUIT, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm37798">SIGTERM, <a class="indexterm" href="server-shutdown.html">Shutting Down the Server</a></dt><dt id="ientry-idm14492">SIMILAR TO, <a class="indexterm" href="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP">SIMILAR TO Regular Expressions</a></dt><dt id="ientry-idm171002">similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm11915">sin, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11927">sind, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm127530">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-idm11982">sinh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm167029">skeys, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm18322">sleep, <a class="indexterm" href="functions-datetime.html#FUNCTIONS-DATETIME-DELAY">Delaying Execution</a></dt><dt id="ientry-idm167158">slice, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm147666">sliced bread (see <a href="#ientry-idm62540">TOAST</a>)</dt><dt id="ientry-idm19156">slope, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm54541">SLRU, <a class="indexterm" href="monitoring-stats.html#MONITORING-PG-STAT-SLRU-VIEW">pg_stat_slru</a></dt><dt id="ientry-idm6249">smallint, <a class="indexterm" href="datatype-numeric.html#DATATYPE-INT">Integer Types</a></dt><dt id="ientry-idm6479">smallserial, <a class="indexterm" href="datatype-numeric.html#DATATYPE-SERIAL">Serial Types</a></dt><dt id="ientry-idm36630">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-idm24992">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-idm167448">sort, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm5446">sorting, <a class="indexterm" href="queries-order.html">Sorting Rows (ORDER BY)</a></dt><dt id="ientry-idm167469">sort_asc, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm167481">sort_desc, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm166674">soundex, <a class="indexterm" href="fuzzystrmatch.html#id-1.11.7.26.6">Soundex</a></dt><dt id="ientry-idm31304">SP-GiST (see <a href="#ientry-idm31177">index</a>)</dt><dt id="ientry-idm84087">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-idm83043">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-idm87054">SPI_commit, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm87056">SPI_commit_and_chain, <a class="indexterm" href="spi-spi-commit.html">SPI_commit</a></dt><dt id="ientry-idm84108">SPI_connect, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm84110">SPI_connect_ext, <a class="indexterm" href="spi-spi-connect.html">SPI_connect</a></dt><dt id="ientry-idm86761">SPI_copytuple, <a class="indexterm" href="spi-spi-copytuple.html">SPI_copytuple</a></dt><dt id="ientry-idm82964">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-idm85983">SPI_cursor_close, <a class="indexterm" href="spi-spi-cursor-close.html">SPI_cursor_close</a></dt><dt id="ientry-idm85760">SPI_cursor_fetch, <a class="indexterm" href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a></dt><dt id="ientry-idm85725">SPI_cursor_find, <a class="indexterm" href="spi-spi-cursor-find.html">SPI_cursor_find</a></dt><dt id="ientry-idm85811">SPI_cursor_move, <a class="indexterm" href="spi-spi-cursor-move.html">SPI_cursor_move</a></dt><dt id="ientry-idm85411">SPI_cursor_open, <a class="indexterm" href="spi-spi-cursor-open.html">SPI_cursor_open</a></dt><dt id="ientry-idm85486">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-idm85590">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-idm85648">SPI_cursor_parse_open, <a class="indexterm" href="spi-spi-cursor-parse-open.html">SPI_cursor_parse_open</a></dt><dt id="ientry-idm84403">SPI_exec, <a class="indexterm" href="spi-spi-exec.html">SPI_exec</a></dt><dt id="ientry-idm85342">SPI_execp, <a class="indexterm" href="spi-spi-execp.html">SPI_execp</a></dt><dt id="ientry-idm84184">SPI_execute, <a class="indexterm" href="spi-spi-execute.html">SPI_execute</a></dt><dt id="ientry-idm84443">SPI_execute_extended, <a class="indexterm" href="spi-spi-execute-extended.html">SPI_execute_extended</a></dt><dt id="ientry-idm85074">SPI_execute_plan, <a class="indexterm" href="spi-spi-execute-plan.html">SPI_execute_plan</a></dt><dt id="ientry-idm85170">SPI_execute_plan_extended, <a class="indexterm" href="spi-spi-execute-plan-extended.html">SPI_execute_plan_extended</a></dt><dt id="ientry-idm85278">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-idm84554">SPI_execute_with_args, <a class="indexterm" href="spi-spi-execute-with-args.html">SPI_execute_with_args</a></dt><dt id="ientry-idm83005">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-idm82916">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-idm82957">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-idm84155">SPI_finish, <a class="indexterm" href="spi-spi-finish.html">SPI_finish</a></dt><dt id="ientry-idm86284">SPI_fname, <a class="indexterm" href="spi-spi-fname.html">SPI_fname</a></dt><dt id="ientry-idm86324">SPI_fnumber, <a class="indexterm" href="spi-spi-fnumber.html">SPI_fnumber</a></dt><dt id="ientry-idm83012">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-idm87011">SPI_freeplan, <a class="indexterm" href="spi-spi-freeplan.html">SPI_freeplan</a></dt><dt id="ientry-idm86951">SPI_freetuple, <a class="indexterm" href="spi-spi-freetuple.html">SPI_freetuple</a></dt><dt id="ientry-idm86978">SPI_freetuptable, <a class="indexterm" href="spi-spi-freetupletable.html">SPI_freetuptable</a></dt><dt id="ientry-idm84943">SPI_getargcount, <a class="indexterm" href="spi-spi-getargcount.html">SPI_getargcount</a></dt><dt id="ientry-idm84979">SPI_getargtypeid, <a class="indexterm" href="spi-spi-getargtypeid.html">SPI_getargtypeid</a></dt><dt id="ientry-idm86415">SPI_getbinval, <a class="indexterm" href="spi-spi-getbinval.html">SPI_getbinval</a></dt><dt id="ientry-idm86579">SPI_getnspname, <a class="indexterm" href="spi-spi-getnspname.html">SPI_getnspname</a></dt><dt id="ientry-idm86550">SPI_getrelname, <a class="indexterm" href="spi-spi-getrelname.html">SPI_getrelname</a></dt><dt id="ientry-idm86470">SPI_gettype, <a class="indexterm" href="spi-spi-gettype.html">SPI_gettype</a></dt><dt id="ientry-idm86509">SPI_gettypeid, <a class="indexterm" href="spi-spi-gettypeid.html">SPI_gettypeid</a></dt><dt id="ientry-idm86364">SPI_getvalue, <a class="indexterm" href="spi-spi-getvalue.html">SPI_getvalue</a></dt><dt id="ientry-idm85025">SPI_is_cursor_plan, <a class="indexterm" href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a></dt><dt id="ientry-idm86010">SPI_keepplan, <a class="indexterm" href="spi-spi-keepplan.html">SPI_keepplan</a></dt><dt id="ientry-idm86841">SPI_modifytuple, <a class="indexterm" href="spi-spi-modifytuple.html">SPI_modifytuple</a></dt><dt id="ientry-idm86665">SPI_palloc, <a class="indexterm" href="spi-spi-palloc.html">SPI_palloc</a></dt><dt id="ientry-idm86732">SPI_pfree, <a class="indexterm" href="spi-spi-pfree.html">SPI_pfree</a></dt><dt id="ientry-idm82988">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-idm84657">SPI_prepare, <a class="indexterm" href="spi-spi-prepare.html">SPI_prepare</a></dt><dt id="ientry-idm84748">SPI_prepare_cursor, <a class="indexterm" href="spi-spi-prepare-cursor.html">SPI_prepare_cursor</a></dt><dt id="ientry-idm84820">SPI_prepare_extended, <a class="indexterm" href="spi-spi-prepare-extended.html">SPI_prepare_extended</a></dt><dt id="ientry-idm84888">SPI_prepare_params, <a class="indexterm" href="spi-spi-prepare-params.html">SPI_prepare_params</a></dt><dt id="ientry-idm82950">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-idm82996">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-idm86099">SPI_register_relation, <a class="indexterm" href="spi-spi-register-relation.html">SPI_register_relation</a></dt><dt id="ientry-idm86216">SPI_register_trigger_data, <a class="indexterm" href="spi-spi-register-trigger-data.html">SPI_register_trigger_data</a></dt><dt id="ientry-idm86694">SPI_repalloc, <a class="indexterm" href="spi-realloc.html">SPI_repalloc</a></dt><dt id="ientry-idm86609">SPI_result_code_string, <a class="indexterm" href="spi-spi-result-code-string.html">SPI_result_code_string</a></dt><dt id="ientry-idm86795">SPI_returntuple, <a class="indexterm" href="spi-spi-returntuple.html">SPI_returntuple</a></dt><dt id="ientry-idm83049">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-idm87079">SPI_rollback, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm87081">SPI_rollback_and_chain, <a class="indexterm" href="spi-spi-rollback.html">SPI_rollback</a></dt><dt id="ientry-idm86047">SPI_saveplan, <a class="indexterm" href="spi-spi-saveplan.html">SPI_saveplan</a></dt><dt id="ientry-idm85856">SPI_scroll_cursor_fetch, <a class="indexterm" href="spi-spi-scroll-cursor-fetch.html">SPI_scroll_cursor_fetch</a></dt><dt id="ientry-idm85919">SPI_scroll_cursor_move, <a class="indexterm" href="spi-spi-scroll-cursor-move.html">SPI_scroll_cursor_move</a></dt><dt id="ientry-idm87104">SPI_start_transaction, <a class="indexterm" href="spi-spi-start-transaction.html">SPI_start_transaction</a></dt><dt id="ientry-idm86159">SPI_unregister_relation, <a class="indexterm" href="spi-spi-unregister-relation.html">SPI_unregister_relation</a></dt><dt id="ientry-idm13084">split_part, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm156725">SQL/CLI, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156721">SQL/Foundation, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156717">SQL/Framework, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156745">SQL/JRT, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm22592">SQL/JSON path language, <a class="indexterm" href="functions-json.html#FUNCTIONS-SQLJSON-PATH">The SQL/JSON Path Language</a></dt><dt id="ientry-idm156753">SQL/MDA, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156733">SQL/MED, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156737">SQL/OLB, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156729">SQL/PSM, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156741">SQL/Schemata, <a class="indexterm" href="features.html">SQL Conformance</a></dt><dt id="ientry-idm156749">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-idm11589">sqrt, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm38276">ssh, <a class="indexterm" href="ssh-tunnels.html">Secure TCP/IP Connections with SSH Tunnels</a></dt><dt id="ientry-idm33579">SSI, <a class="indexterm" href="mvcc-intro.html">Introduction</a></dt><dt id="ientry-idm38057">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-idm38943">ssl configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm172675">sslinfo, <a class="indexterm" href="sslinfo.html">sslinfo</a></dt><dt id="ientry-idm38955">ssl_ca_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm38965">ssl_cert_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm172705">ssl_cipher, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm39015">ssl_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm172712">ssl_client_cert_present, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172727">ssl_client_dn, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172746">ssl_client_dn_field, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172719">ssl_client_serial, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm38987">ssl_crl_dir configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm38976">ssl_crl_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39126">ssl_dh_params_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39077">ssl_ecdh_curve configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm172765">ssl_extension_info, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172736">ssl_issuer_dn, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172757">ssl_issuer_field, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm172691">ssl_is_used, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm39004">ssl_key_file configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm44372">ssl_library configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm39114">ssl_max_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39096">ssl_min_protocol_version configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39138">ssl_passphrase_command configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm39154">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-idm39065">ssl_prefer_server_ciphers configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SSL">SSL</a></dt><dt id="ientry-idm172698">ssl_version, <a class="indexterm" href="sslinfo.html#id-1.11.7.51.6">Functions Provided</a></dt><dt id="ientry-idm45647">SSPI, <a class="indexterm" href="sspi-auth.html">SSPI Authentication</a></dt><dt id="ientry-idm73982">STABLE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm25236">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-idm44050">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-idm50379">standby server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm40309">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-idm176207">standby_mode (see <a href="#ientry-idm40309">standby.signal</a>)</dt><dt id="ientry-idm112585">START TRANSACTION, <a class="indexterm" href="sql-start-transaction.html">START TRANSACTION</a></dt><dt id="ientry-idm13109">starts_with, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm138574">START_REPLICATION, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm43334">statement_timeout configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17626">statement_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm25022">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-idm42777">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-idm25238">stddev, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25256">stddev_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25273">stddev_samp, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm50385">STONITH, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm101440">storage parameters, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm50456">Streaming Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm171031">strict_word_similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm6606">string (see <a href="#ientry-idm1285">character string</a>)</dt><dt id="ientry-idm43971">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-idm24906">string_agg, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm13126">string_to_array, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm13157">string_to_table, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm20184">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-idm13187">strpos, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm167524">subarray, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm168384">subltree, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm168403">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-idm1835">subscript, <a class="indexterm" href="sql-expressions.html#SQL-EXPRESSIONS-SUBSCRIPTS">Subscripts</a></dt><dt id="ientry-idm13207">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-idm12287">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-idm15799">SUBSTRING_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm82708">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-idm24927">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-idm38686">superuser_reserved_connections configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm143955">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-idm30360">suppress_redundant_updates_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm167056">svals, <a class="indexterm" href="hstore.html#id-1.11.7.27.6">hstore Operators and Functions</a></dt><dt id="ientry-idm44065">synchronize_seqscans configuration parameter, <a class="indexterm" href="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION">Previous PostgreSQL Versions</a></dt><dt id="ientry-idm56448">synchronous commit, <a class="indexterm" href="wal-async-commit.html">Asynchronous Commit</a></dt><dt id="ientry-idm50580">Synchronous Replication, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm39814">synchronous_commit configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40612">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-idm41714">syslog_facility configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41737">syslog_ident configuration parameter, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm41751">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-idm41767">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-idm3777">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-idm35922">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-idm143074">Table Access Method, <a class="indexterm" href="tableam.html">Table Access Method Interface Definition</a></dt><dt id="ientry-idm110529">TABLE command, <a class="indexterm" href="sql-select.html">SELECT</a></dt><dt id="ientry-idm4593">table expression, <a class="indexterm" href="queries-table-expressions.html">Table Expressions</a></dt><dt id="ientry-idm4894">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-idm142677">table sampling method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm143076">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-idm172779">tablefunc, <a class="indexterm" href="tablefunc.html">tablefunc</a></dt><dt id="ientry-idm2863">tableoid, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm142679">TABLESAMPLE method, <a class="indexterm" href="tablesample-method.html">Writing a Table Sampling Method</a></dt><dt id="ientry-idm43141">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-idm10191">table_am_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm11939">tan, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm11951">tand, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm12006">tanh, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm78864">target list, <a class="indexterm" href="querytree.html">The Query Tree</a></dt><dt id="ientry-idm82277">Tcl, <a class="indexterm" href="pltcl.html">PL/Tcl — Tcl Procedural Language</a></dt><dt id="ientry-idm173147">tcn, <a class="indexterm" href="tcn.html">tcn</a></dt><dt id="ientry-idm38804">tcp_keepalives_count configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38780">tcp_keepalives_idle configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38792">tcp_keepalives_interval configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38816">tcp_user_timeout configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm46519">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-idm46516">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-idm39252">temp_buffers configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm39429">temp_file_limit configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-DISK">Disk</a></dt><dt id="ientry-idm43179">temp_tablespaces configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm57381">test, <a class="indexterm" href="regress.html">Regression Tests</a></dt><dt id="ientry-idm173166">test_decoding, <a class="indexterm" href="test-decoding.html">test_decoding</a></dt><dt id="ientry-idm6613">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-idm8547">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-idm168488">text2ltree, <a class="indexterm" href="ltree.html#id-1.11.7.32.6">Operators and Functions</a></dt><dt id="ientry-idm62401">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-idm9926">tid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm6944">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-idm15953">formatting</a>)</dt></dl></dd></dl></dd><dt id="ientry-idm6960">time span, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm6948">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-idm6946">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-idm7571">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-idm36066">time zone data, <a class="indexterm" href="install-procedure.html#CONFIGURE-OPTIONS-BUILD-PROCESS">Build Process Details</a></dt><dt id="ientry-idm43629">time zone names, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm50054">timelines, <a class="indexterm" href="backup.html">Backup and Restore</a></dt><dt id="ientry-idm138409">TIMELINE_HISTORY, <a class="indexterm" href="protocol-replication.html">Streaming Replication Protocol</a></dt><dt id="ientry-idm17638">timeofday, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm38848">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-idm6950">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-idm6954">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-idm6956">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-idm6952">timestamptz, <a class="indexterm" href="datatype-datetime.html">Date/Time Types</a></dt><dt id="ientry-idm43611">TimeZone configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm43626">timezone_abbreviations configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT">Locale and Formatting</a></dt><dt id="ientry-idm62540">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-idm101470">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-idm13235">to_ascii, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15971">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-idm16022">to_date, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm13270">to_hex, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm21739">to_json, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm21745">to_jsonb, <a class="indexterm" href="functions-json.html#FUNCTIONS-JSON-PROCESSING">Processing and Creating JSON Data</a></dt><dt id="ientry-idm16035">to_number, <a class="indexterm" href="functions-formatting.html">Data Type Formatting Functions</a></dt><dt id="ientry-idm27626">to_regclass, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27638">to_regcollation, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27650">to_regnamespace, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27662">to_regoper, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27674">to_regoperator, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27686">to_regproc, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27698">to_regprocedure, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27710">to_regrole, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm27722">to_regtype, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm16048">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-idm20197">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-idm20215">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-idm44569">trace_locks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44608">trace_lock_oidmin configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44620">trace_lock_table configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44583">trace_lwlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44523">trace_notify configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44537">trace_recovery_messages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44557">trace_sort configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44595">trace_userlocks configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm42697">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-idm42708">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-idm40595">track_commit_timestamp configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm42719">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-idm42761">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-idm42729">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-idm42748">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-idm49149">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-idm33598">transaction isolation, <a class="indexterm" href="transaction-iso.html">Transaction Isolation</a></dt><dt id="ientry-idm33629">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-idm56428">transaction log (see <a href="#ientry-idm56426">WAL</a>)</dt><dt id="ientry-idm43298">transaction_deferrable configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43272">transaction_isolation configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43285">transaction_read_only configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm17652">transaction_timestamp, <a class="indexterm" href="functions-datetime.html">Date/Time Functions and Operators</a></dt><dt id="ientry-idm44083">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-idm77110">transition tables, <a class="indexterm" href="sql-createtrigger.html">CREATE TRIGGER</a></dt><dd><dl><dt>(see also <a href="#ientry-idm86101">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-idm13286">translate, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm15801">TRANSLATE_REGEX, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm39221">transparent
huge pages, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm10181">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-idm173149">triggered_change_notification, <a class="indexterm" href="tcn.html">tcn</a></dt><dt id="ientry-idm176201">trigger_file (see promote_trigger_file)</dt><dt id="ientry-idm12364">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-idm23803">trim_array, <a class="indexterm" href="functions-array.html">Array Functions and Operators</a></dt><dt id="ientry-idm11605">trim_scale, <a class="indexterm" href="functions-math.html">Mathematical Functions and Operators</a></dt><dt id="ientry-idm7885">true, <a class="indexterm" href="datatype-boolean.html">Boolean Type</a></dt><dt id="ientry-idm11617">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-idm112642">TRUNCATE, <a class="indexterm" href="sql-truncate.html">TRUNCATE</a></dt><dt id="ientry-idm83222">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-idm10195">tsm_handler, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm173178">tsm_system_rows, <a class="indexterm" href="tsm-system-rows.html">tsm_system_rows</a></dt><dt id="ientry-idm173208">tsm_system_time, <a class="indexterm" href="tsm-system-time.html">tsm_system_time</a></dt><dt id="ientry-idm8592">tsquery (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSQUERY">tsquery</a></dt><dt id="ientry-idm20503">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-idm8561">tsvector (data type), <a class="indexterm" href="datatype-textsearch.html#DATATYPE-TSVECTOR">tsvector</a></dt><dt id="ientry-idm32442">tsvector concatenation, <a class="indexterm" href="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR">Manipulating Documents</a></dt><dt id="ientry-idm20539">tsvector_to_array, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm30370">tsvector_update_trigger, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm30382">tsvector_update_trigger_column, <a class="indexterm" href="functions-trigger.html">Trigger Functions</a></dt><dt id="ientry-idm20589">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-idm20305">ts_delete, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20340">ts_filter, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm20357">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-idm20619">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-idm20635">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-idm20418">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-idm20442">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-idm20466">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-idm20713">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-idm20675">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-idm168732">tuple_data_split, <a class="indexterm" href="pageinspect.html#id-1.11.7.34.5">Heap Functions</a></dt><dt id="ientry-idm28200">txid_current, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28209">txid_current_if_assigned, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28218">txid_current_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28227">txid_snapshot_xip, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28237">txid_snapshot_xmax, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28247">txid_snapshot_xmin, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28268">txid_status, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm28257">txid_visible_in_snapshot, <a class="indexterm" href="functions-info.html">System Information Functions and Operators</a></dt><dt id="ientry-idm5862">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-idm173238">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-idm12120">Unicode normalization, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm5370">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-idm167493">uniq, <a class="indexterm" href="intarray.html#id-1.11.7.29.7">intarray Functions and Operators</a></dt><dt id="ientry-idm2697">unique constraint, <a class="indexterm" href="ddl-constraints.html#DDL-CONSTRAINTS-UNIQUE-CONSTRAINTS">Unique Constraints</a></dt><dt id="ientry-idm13309">unistr, <a class="indexterm" href="functions-string.html">String Functions and Operators</a></dt><dt id="ientry-idm58316">Unix domain socket, <a class="indexterm" href="libpq-connect.html#LIBPQ-PARAMKEYWORDS">Parameter Key Words</a></dt><dt id="ientry-idm38702">unix_socket_directories configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38724">unix_socket_group configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm38735">unix_socket_permissions configuration parameter, <a class="indexterm" href="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS">Connection Settings</a></dt><dt id="ientry-idm10201">unknown, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm112751">UNLISTEN, <a class="indexterm" href="sql-unlisten.html">UNLISTEN</a></dt><dt id="ientry-idm20552">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-idm3716">unqualified name, <a class="indexterm" href="ddl-schemas.html#DDL-SCHEMAS-PATH">The Schema Search Path</a></dt><dt id="ientry-idm103794">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-idm42676">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-idm4460">updating, <a class="indexterm" href="dml-update.html">Updating Data</a></dt><dt id="ientry-idm37844">upgrading, <a class="indexterm" href="upgrading.html">Upgrading a PostgreSQL Cluster</a></dt><dt id="ientry-idm12409">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-idm24411">upper_inc, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm24435">upper_inf, <a class="indexterm" href="functions-range.html">Range/Multirange Functions and Operators</a></dt><dt id="ientry-idm108262">UPSERT, <a class="indexterm" href="sql-insert.html">INSERT</a></dt><dt id="ientry-idm58211">URI, <a class="indexterm" href="libpq-connect.html#LIBPQ-CONNSTRING">Connection Strings</a></dt><dt id="ientry-idm26352">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-idm4336">user mapping, <a class="indexterm" href="ddl-foreign-data.html">Foreign Data</a></dt><dt id="ientry-idm45348">User name maps, <a class="indexterm" href="auth-username-maps.html">User Name Maps</a></dt><dt id="ientry-idm101724">user_catalog_table storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm8637">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-idm173316">uuid-ossp, <a class="indexterm" href="uuid-ossp.html">uuid-ossp</a></dt><dt id="ientry-idm173343">uuid_generate_v1, <a class="indexterm" href="uuid-ossp.html#id-1.11.7.58.5">uuid-ossp Functions</a></dt><dt id="ientry-idm173351">uuid_generate_v1mc, <a class="indexterm" href="uuid-ossp.html#id-1.11.7.58.5">uuid-ossp Functions</a></dt><dt id="ientry-idm173359">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-idm49004">vacuum, <a class="indexterm" href="routine-vacuuming.html">Routine Vacuuming</a></dt><dt id="ientry-idm113050">VACUUM, <a class="indexterm" href="sql-vacuum.html">VACUUM</a></dt><dt id="ientry-idm124218">vacuumdb, <a class="indexterm" href="app-vacuumdb.html">vacuumdb</a></dt><dt id="ientry-idm173918">vacuumlo, <a class="indexterm" href="vacuumlo.html">vacuumlo</a></dt><dt id="ientry-idm39470">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-idm39511">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-idm39502">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-idm39484">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-idm39493">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-idm40688">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-idm43424">vacuum_failsafe_age configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm43411">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-idm43394">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-idm101507">vacuum_index_cleanup storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm43472">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-idm43459">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-idm43442">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-idm101528">vacuum_truncate storage parameter, <a class="indexterm" href="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS">Storage Parameters</a></dt><dt id="ientry-idm1756">value expression, <a class="indexterm" href="sql-expressions.html">Value Expressions</a></dt><dt id="ientry-idm5552">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-idm6617">varchar, <a class="indexterm" href="datatype-character.html">Character Types</a></dt><dt id="ientry-idm73750">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-idm25287">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-idm25305">var_pop, <a class="indexterm" href="functions-aggregate.html">Aggregate Functions</a></dt><dt id="ientry-idm25322">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-idm147823">Visibility Map, <a class="indexterm" href="storage-vm.html">Visibility Map</a></dt><dt id="ientry-idm147825">VM (see <a href="#ientry-idm147823">Visibility Map</a>)</dt><dt id="ientry-idm10179">void, <a class="indexterm" href="datatype-pseudo.html">Pseudo-Types</a></dt><dt id="ientry-idm73980">VOLATILE, <a class="indexterm" href="xfunc-volatility.html">Function Volatility Categories</a></dt><dt id="ientry-idm73977">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-idm35514">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-idm56426">WAL, <a class="indexterm" href="wal.html">Reliability and the Write-Ahead Log</a></dt><dt id="ientry-idm44383">wal_block_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40017">wal_buffers configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39974">wal_compression configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm44656">wal_consistency_checking configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm44678">wal_debug configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm40293">wal_decode_buffer_size configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-RECOVERY">Recovery</a></dt><dt id="ientry-idm39995">wal_init_zero configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40556">wal_keep_size configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm39738">wal_level configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39960">wal_log_hints configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40794">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-idm40805">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-idm40835">wal_receiver_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY">Standby Servers</a></dt><dt id="ientry-idm40007">wal_recycle configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40845">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-idm44393">wal_segment_size configuration parameter, <a class="indexterm" href="runtime-config-preset.html">Preset Options</a></dt><dt id="ientry-idm40585">wal_sender_timeout configuration parameter, <a class="indexterm" href="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-SENDER">Sending Servers</a></dt><dt id="ientry-idm40064">wal_skip_threshold configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm39904">wal_sync_method configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40033">wal_writer_delay configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm40048">wal_writer_flush_after configuration parameter, <a class="indexterm" href="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS">Settings</a></dt><dt id="ientry-idm50375">warm standby, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm20112">websearch_to_tsquery, <a class="indexterm" href="functions-textsearch.html">Text Search Functions and Operators</a></dt><dt id="ientry-idm5038">WHERE, <a class="indexterm" href="queries-table-expressions.html#QUERIES-WHERE">The WHERE Clause</a></dt><dt id="ientry-idm41504">where to log, <a class="indexterm" href="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE">Where to Log</a></dt><dt id="ientry-idm80780">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-idm19169">width, <a class="indexterm" href="functions-geometry.html">Geometric Functions and Operators</a></dt><dt id="ientry-idm11651">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-idm5587">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-idm103716">WITH CHECK OPTION, <a class="indexterm" href="sql-createview.html">CREATE VIEW</a></dt><dt id="ientry-idm1930">WITHIN GROUP, <a class="indexterm" href="sql-expressions.html#SYNTAX-AGGREGATES">Aggregate Expressions</a></dt><dt id="ientry-idm50383">witness server, <a class="indexterm" href="high-availability.html">High Availability, Load Balancing, and Replication</a></dt><dt id="ientry-idm171021">word_similarity, <a class="indexterm" href="pgtrgm.html#id-1.11.7.44.6">Functions and Operators</a></dt><dt id="ientry-idm39283">work_mem configuration parameter, <a class="indexterm" href="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY">Memory</a></dt><dt id="ientry-idm49152">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-idm9928">xid, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm9922">xid8, <a class="indexterm" href="datatype-oid.html">Object Identifier Types</a></dt><dt id="ientry-idm2889">xmax, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm2875">xmin, <a class="indexterm" href="ddl-system-columns.html">System Columns</a></dt><dt id="ientry-idm8654">XML, <a class="indexterm" href="datatype-xml.html">XML Type</a></dt><dt id="ientry-idm21212">XML export, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-MAPPING">Mapping Tables to XML</a></dt><dt id="ientry-idm20754">XML Functions, <a class="indexterm" href="functions-xml.html">XML Functions</a></dt><dt id="ientry-idm8708">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-idm173452">xml2, <a class="indexterm" href="xml2.html">xml2</a></dt><dt id="ientry-idm20921">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-idm43504">xmlbinary configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm20772">xmlcomment, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.3">xmlcomment</a></dt><dt id="ientry-idm20789">xmlconcat, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.4">xmlconcat</a></dt><dt id="ientry-idm20808">xmlelement, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.5">xmlelement</a></dt><dt id="ientry-idm20969">XMLEXISTS, <a class="indexterm" href="functions-xml.html#XML-EXISTS">XMLEXISTS</a></dt><dt id="ientry-idm20853">xmlforest, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.6">xmlforest</a></dt><dt id="ientry-idm43521">xmloption configuration parameter, <a class="indexterm" href="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT">Statement Behavior</a></dt><dt id="ientry-idm8678">xmlparse, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm20879">xmlpi, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.7">xmlpi</a></dt><dt id="ientry-idm20900">xmlroot, <a class="indexterm" href="functions-xml.html#id-1.5.8.21.5.8">xmlroot</a></dt><dt id="ientry-idm8691">xmlserialize, <a class="indexterm" href="datatype-xml.html#id-1.5.7.21.6">Creating XML Values</a></dt><dt id="ientry-idm21089">xmltable, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XMLTABLE">xmltable</a></dt><dt id="ientry-idm21001">xml_is_well_formed, <a class="indexterm" href="functions-xml.html#XML-IS-WELL-FORMED">xml_is_well_formed</a></dt><dt id="ientry-idm21005">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-idm21003">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-idm21040">XPath, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH">xpath</a></dt><dt id="ientry-idm21068">xpath_exists, <a class="indexterm" href="functions-xml.html#FUNCTIONS-XML-PROCESSING-XPATH-EXISTS">xpath_exists</a></dt><dt id="ientry-idm173589">xpath_table, <a class="indexterm" href="xml2.html#id-1.11.7.59.6">xpath_table</a></dt><dt id="ientry-idm15803">XQuery regular expressions, <a class="indexterm" href="functions-matching.html#POSIX-VS-XQUERY">Differences from SQL Standard and XQuery</a></dt><dt id="ientry-idm173670">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-idm35462">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-idm44705">zero_damaged_pages configuration parameter, <a class="indexterm" href="runtime-config-developer.html">Developer Options</a></dt><dt id="ientry-idm35362">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 15.7 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 15.7 Documentation">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
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