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|
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Index</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="index" id="id904263">
<div class="titlepage"><div><div><h2 class="title">
<a name="id904263"></a>Index</h2></div></div></div>
<div class="index">
<div class="indexdiv">
<h3>Symbols</h3>
<dl>
<dt>$, <a href="sql-expressions.html#id573036">Positional Parameters</a>
</dt>
<dt>$libdir, <a href="xfunc-c.html#xfunc-c-dynload">Dynamic Loading</a>
</dt>
<dt>*, <a href="queries-select-lists.html#queries-select-list-items">Select-List Items</a>
</dt>
<dt>.pgpass, <a href="libpq-pgpass.html">The Password File</a>
</dt>
<dt>[pi ], <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>A</h3>
<dl>
<dt>ABORT, <a href="sql-abort.html">ABORT</a>
</dt>
<dt>abs, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>acos, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>add_missing_from configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>age, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>aggregate function, <a href="tutorial-agg.html">Aggregate Functions</a>
</dt>
<dd><dl>
<dt>built-in, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>invocation, <a href="sql-expressions.html#syntax-aggregates">Aggregate Expressions</a>
</dt>
<dt>user-defined, <a href="xaggr.html">User-Defined Aggregates</a>
</dt>
</dl></dd>
<dt>AIX</dt>
<dd><dl><dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt></dl></dd>
<dt>alias</dt>
<dd><dl>
<dt>for table name in query, <a href="tutorial-join.html">Joins Between Tables</a>
</dt>
<dt>in the FROM clause, <a href="queries-table-expressions.html#queries-table-aliases">Table and Column Aliases</a>
</dt>
<dt>in the select list, <a href="queries-select-lists.html#queries-column-labels">Column Labels</a>
</dt>
</dl></dd>
<dt>ALL, <a href="functions-subquery.html">Subquery Expressions</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>ALTER AGGREGATE, <a href="sql-alteraggregate.html">ALTER AGGREGATE</a>
</dt>
<dt>ALTER CONVERSION, <a href="sql-alterconversion.html">ALTER CONVERSION</a>
</dt>
<dt>ALTER DATABASE, <a href="sql-alterdatabase.html">ALTER DATABASE</a>
</dt>
<dt>ALTER DOMAIN, <a href="sql-alterdomain.html">ALTER DOMAIN</a>
</dt>
<dt>ALTER FUNCTION, <a href="sql-alterfunction.html">ALTER FUNCTION</a>
</dt>
<dt>ALTER GROUP, <a href="sql-altergroup.html">ALTER GROUP</a>
</dt>
<dt>ALTER INDEX, <a href="sql-alterindex.html">ALTER INDEX</a>
</dt>
<dt>ALTER LANGUAGE, <a href="sql-alterlanguage.html">ALTER LANGUAGE</a>
</dt>
<dt>ALTER OPERATOR, <a href="sql-alteroperator.html">ALTER OPERATOR</a>
</dt>
<dt>ALTER OPERATOR CLASS, <a href="sql-alteropclass.html">ALTER OPERATOR CLASS</a>
</dt>
<dt>ALTER ROLE, <a href="role-attributes.html">Role Attributes</a>, <a href="sql-alterrole.html">ALTER ROLE</a>
</dt>
<dt>ALTER SCHEMA, <a href="sql-alterschema.html">ALTER SCHEMA</a>
</dt>
<dt>ALTER SEQUENCE, <a href="sql-altersequence.html">ALTER SEQUENCE</a>
</dt>
<dt>ALTER TABLE, <a href="sql-altertable.html">ALTER TABLE</a>
</dt>
<dt>ALTER TABLESPACE, <a href="sql-altertablespace.html">ALTER TABLESPACE</a>
</dt>
<dt>ALTER TRIGGER, <a href="sql-altertrigger.html">ALTER TRIGGER</a>
</dt>
<dt>ALTER TYPE, <a href="sql-altertype.html">ALTER TYPE</a>
</dt>
<dt>ALTER USER, <a href="sql-alteruser.html">ALTER USER</a>
</dt>
<dt>ANALYZE, <a href="maintenance.html#vacuum-for-statistics">Updating planner statistics</a>, <a href="sql-analyze.html">ANALYZE</a>
</dt>
<dt>AND (operator), <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>any, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>ANY, <a href="functions-aggregate.html">Aggregate Functions</a>, <a href="functions-subquery.html">Subquery Expressions</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>anyarray, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>anyelement, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>archive_command configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-archiving">Archiving</a>
</dt>
<dt>area, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>array, <a href="arrays.html">Arrays</a>
</dt>
<dd><dl>
<dt>constant, <a href="arrays.html#id591410">Array Value Input</a>
</dt>
<dt>constructor, <a href="sql-expressions.html#sql-syntax-array-constructors">Array Constructors</a>
</dt>
<dt>of user-defined
type, <a href="xtypes.html">User-Defined Types</a>
</dt>
</dl></dd>
<dt>ARRAY, <a href="sql-expressions.html#sql-syntax-array-constructors">Array Constructors</a>
</dt>
<dd><dl><dt>determination of result type, <a href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>
</dt></dl></dd>
<dt>ascii, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>asin, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>AT TIME ZONE, <a href="functions-datetime.html#functions-datetime-zoneconvert">AT TIME ZONE</a>
</dt>
<dt>atan, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>atan2, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>australian_timezones configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>authentication_timeout configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>auto-increment (see serial)</dt>
<dt>autocommit</dt>
<dd><dl>
<dt>bulk-loading data, <a href="populate.html#disable-autocommit">Disable Autocommit</a>
</dt>
<dt>psql, <a href="app-psql.html#app-psql-variables">Variables</a>
</dt>
</dl></dd>
<dt>autovacuum</dt>
<dd><dl>
<dt>general information, <a href="maintenance.html#autovacuum">The auto-vacuum daemon</a>
</dt>
<dt>global configuration parameters, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>table-specific configuration, <a href="catalog-pg-autovacuum.html">pg_autovacuum</a>
</dt>
</dl></dd>
<dt>autovacuum configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_analyze_scale_factor configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_analyze_threshold configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_naptime configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_vacuum_cost_delay configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_vacuum_cost_limit configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_vacuum_scale_factor configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>autovacuum_vacuum_threshold configuration parameter, <a href="runtime-config-autovacuum.html">Automatic Vacuuming</a>
</dt>
<dt>average, <a href="tutorial-agg.html">Aggregate Functions</a>, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>B</h3>
<dl>
<dt>B-tree (see index)</dt>
<dt>backslash_quote configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>backup, <a href="functions-admin.html">System Administration Functions</a>, <a href="backup.html">Backup and Restore</a>
</dt>
<dt>base type, <a href="extend-type-system.html">The PostgreSQL Type System</a>
</dt>
<dt>BEGIN, <a href="sql-begin.html">BEGIN</a>
</dt>
<dt>BETWEEN, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>BETWEEN SYMETRIC, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>bgwriter_all_maxpages configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-background-writer">Background Writer</a>
</dt>
<dt>bgwriter_all_percent configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-background-writer">Background Writer</a>
</dt>
<dt>bgwriter_delay configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-background-writer">Background Writer</a>
</dt>
<dt>bgwriter_lru_maxpages configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-background-writer">Background Writer</a>
</dt>
<dt>bgwriter_lru_percent configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-background-writer">Background Writer</a>
</dt>
<dt>bigint, <a href="sql-syntax.html#id571577">Numeric Constants</a>, <a href="datatype.html#datatype-int">Integer Types</a>
</dt>
<dt>bigserial, <a href="datatype.html#datatype-serial">Serial Types</a>
</dt>
<dt>binary data, <a href="datatype-binary.html">Binary Data Types</a>
</dt>
<dd><dl><dt>functions, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt></dl></dd>
<dt>binary string</dt>
<dd><dl>
<dt>concatenation, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
<dt>length, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
</dl></dd>
<dt>bison, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>bit string</dt>
<dd><dl>
<dt>constant, <a href="sql-syntax.html#sql-syntax-bit-strings">Bit-String Constants</a>
</dt>
<dt>data type, <a href="datatype-bit.html">Bit String Types</a>
</dt>
</dl></dd>
<dt>bit strings</dt>
<dd><dl><dt>functions, <a href="functions-bitstring.html">Bit String Functions and Operators</a>
</dt></dl></dd>
<dt>bitmap scan, <a href="indexes-bitmap-scans.html">Combining Multiple Indexes</a>, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>bit_and, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>bit_length, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>bit_or, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>BLOB (see large object)</dt>
<dt>block_size configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>bonjour_name configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>Boolean</dt>
<dd><dl>
<dt>data type, <a href="datatype-boolean.html">Boolean Type</a>
</dt>
<dt>operators (see operators, logical)</dt>
</dl></dd>
<dt>bool_and, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>bool_or, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>booting</dt>
<dd><dl><dt>starting
the server during, <a href="postmaster-start.html">Starting the Database Server</a>
</dt></dl></dd>
<dt>box (data type), <a href="datatype-geometric.html#id589988">Boxes</a>
</dt>
<dt>BSD/OS</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
</dl></dd>
<dt>btrim, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>bytea, <a href="datatype-binary.html">Binary Data Types</a>
</dt>
<dd><dl><dt>in libpq, <a href="libpq-exec.html#libpq-exec-escape-bytea">Escaping Binary Strings for Inclusion in SQL Commands</a>
</dt></dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>C</h3>
<dl>
<dt>C, <a href="libpq.html">libpq - C Library</a>, <a href="ecpg.html">ECPG - Embedded SQL in C</a>
</dt>
<dt>canceling</dt>
<dd><dl><dt>SQL command, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt></dl></dd>
<dt>CASCADE</dt>
<dd><dl>
<dt>with DROP, <a href="ddl-depend.html">Dependency Tracking</a>
</dt>
<dt>foreign key action, <a href="ddl-constraints.html#ddl-constraints-fk">Foreign Keys</a>
</dt>
</dl></dd>
<dt>CASE, <a href="functions-conditional.html">Conditional Expressions</a>
</dt>
<dd><dl><dt>determination of result type, <a href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>
</dt></dl></dd>
<dt>case sensitivity</dt>
<dd><dl><dt>of SQL commands, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt></dl></dd>
<dt>cbrt, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>ceiling, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>center, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>char, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>character, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>character set, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>, <a href="runtime-config-preset.html">Preset Options</a>, <a href="multibyte.html">Character Set Support</a>
</dt>
<dt>character string</dt>
<dd><dl>
<dt>concatenation, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>constant, <a href="sql-syntax.html#sql-syntax-strings">String Constants</a>
</dt>
<dt>data types, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>length, <a href="functions-string.html">String Functions and Operators</a>
</dt>
</dl></dd>
<dt>character varying, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>char_length, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>check constraint, <a href="ddl-constraints.html#id574819">Check Constraints</a>
</dt>
<dt>checkpoint, <a href="wal-configuration.html">WAL Configuration</a>
</dt>
<dt>CHECKPOINT, <a href="sql-checkpoint.html">CHECKPOINT</a>
</dt>
<dt>checkpoint_segments configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-checkpoints">Checkpoints</a>
</dt>
<dt>checkpoint_timeout configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-checkpoints">Checkpoints</a>
</dt>
<dt>checkpoint_warning configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-checkpoints">Checkpoints</a>
</dt>
<dt>check_function_bodies configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>chr, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>cid, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>cidr, <a href="datatype-net-types.html#datatype-cidr">cidr</a>
</dt>
<dt>circle, <a href="datatype-geometric.html#id590332">Circles</a>
</dt>
<dt>client authentication, <a href="client-authentication.html">Client Authentication</a>
</dt>
<dd><dl><dt>timeout during, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt></dl></dd>
<dt>client_encoding configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>client_min_messages configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>CLOSE, <a href="sql-close.html">CLOSE</a>
</dt>
<dt>cluster</dt>
<dd><dl><dt>of databases (see database cluster)</dt></dl></dd>
<dt>CLUSTER, <a href="sql-cluster.html">CLUSTER</a>
</dt>
<dt>clusterdb, <a href="app-clusterdb.html">clusterdb</a>
</dt>
<dt>cmax, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>cmin, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>COALESCE, <a href="functions-conditional.html#id617923">COALESCE</a>
</dt>
<dt>column, <a href="tutorial-concepts.html">Concepts</a>, <a href="ddl.html#ddl-basics">Table Basics</a>
</dt>
<dd><dl>
<dt>adding, <a href="ddl-alter.html#id576140">Adding a Column</a>
</dt>
<dt>removing, <a href="ddl-alter.html#id576204">Removing a Column</a>
</dt>
<dt>renaming, <a href="ddl-alter.html#id576485">Renaming a Column</a>
</dt>
<dt>system column, <a href="ddl-system-columns.html">System Columns</a>
</dt>
</dl></dd>
<dt>column data type</dt>
<dd><dl><dt>changing, <a href="ddl-alter.html#id576435">Changing a Column's Data Type</a>
</dt></dl></dd>
<dt>column reference, <a href="sql-expressions.html#id572958">Column References</a>
</dt>
<dt>col_description, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>comment</dt>
<dd><dl>
<dt>about database objects, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>in SQL, <a href="sql-syntax.html#sql-syntax-comments">Comments</a>
</dt>
</dl></dd>
<dt>COMMENT, <a href="sql-comment.html">COMMENT</a>
</dt>
<dt>COMMIT, <a href="sql-commit.html">COMMIT</a>
</dt>
<dt>COMMIT PREPARED, <a href="sql-commit-prepared.html">COMMIT PREPARED</a>
</dt>
<dt>commit_delay configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>commit_siblings configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>comparison</dt>
<dd><dl>
<dt>operators, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>row-wise, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>subquery result row, <a href="functions-subquery.html">Subquery Expressions</a>
</dt>
</dl></dd>
<dt>compiling</dt>
<dd><dl><dt>libpq applications, <a href="libpq-build.html">Building libpq Programs</a>
</dt></dl></dd>
<dt>composite type, <a href="rowtypes.html">Composite Types</a>, <a href="extend-type-system.html">The PostgreSQL Type System</a>
</dt>
<dd><dl>
<dt>constant, <a href="rowtypes.html#id592516">Composite Value Input</a>
</dt>
<dt>constructor, <a href="sql-expressions.html#sql-syntax-row-constructors">Row Constructors</a>
</dt>
</dl></dd>
<dt>computed field, <a href="xfunc-sql.html#id704549">SQL Functions on Composite Types</a>
</dt>
<dt>concurrency, <a href="mvcc.html">Concurrency Control</a>
</dt>
<dt>conditional expression, <a href="functions-conditional.html">Conditional Expressions</a>
</dt>
<dt>configuration</dt>
<dd><dl>
<dt>of the server, <a href="runtime-config.html">Server Configuration</a>
</dt>
<dt>of the server</dt>
<dd><dl><dt>functions, <a href="functions-admin.html">System Administration Functions</a>
</dt></dl></dd>
</dl></dd>
<dt>configure, <a href="install-procedure.html#configure">Installation Procedure</a>
</dt>
<dt>config_file configuration parameter, <a href="runtime-config-file-locations.html">File Locations</a>
</dt>
<dt>conjunction, <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>connection service file, <a href="libpq-pgservice.html">The Connection Service File</a>
</dt>
<dt>constant, <a href="sql-syntax.html#sql-syntax-constants">Constants</a>
</dt>
<dt>constraint, <a href="ddl-constraints.html">Constraints</a>
</dt>
<dd><dl>
<dt>adding, <a href="ddl-alter.html#id576263">Adding a Constraint</a>
</dt>
<dt>check, <a href="ddl-constraints.html#id574819">Check Constraints</a>
</dt>
<dt>foreign key, <a href="ddl-constraints.html#ddl-constraints-fk">Foreign Keys</a>
</dt>
<dt>name, <a href="ddl-constraints.html#id574819">Check Constraints</a>
</dt>
<dt>NOT NULL, <a href="ddl-constraints.html#id575041">Not-Null Constraints</a>
</dt>
<dt>primary key, <a href="ddl-constraints.html#id575283">Primary Keys</a>
</dt>
<dt>removing, <a href="ddl-alter.html#id576308">Removing a Constraint</a>
</dt>
<dt>unique, <a href="ddl-constraints.html#id575183">Unique Constraints</a>
</dt>
</dl></dd>
<dt>constraint exclusion, <a href="ddl-partitioning.html#ddl-partitioning-constraint-exclusion">Partitioning and Constraint Exclusion</a>, <a href="runtime-config-query.html#runtime-config-query-other">Other Planner Options</a>
</dt>
<dt>constraint_exclusion configuration parameter, <a href="runtime-config-query.html#runtime-config-query-other">Other Planner Options</a>
</dt>
<dt>CONTINUE</dt>
<dd><dl><dt>in PL/pgSQL, <a href="plpgsql-control-structures.html#id725181">CONTINUE</a>
</dt></dl></dd>
<dt>convert, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>COPY, <a href="tutorial-populate.html">Populating a Table With Rows</a>, <a href="sql-copy.html">COPY</a>
</dt>
<dd><dl><dt>with libpq, <a href="libpq-copy.html">Functions Associated with the COPY Command</a>
</dt></dl></dd>
<dt>cos, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>cot, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>count, <a href="tutorial-agg.html">Aggregate Functions</a>
</dt>
<dt>cpu_index_tuple_cost configuration parameter, <a href="runtime-config-query.html#runtime-config-query-constants"> Planner Cost Constants
</a>
</dt>
<dt>cpu_operator_cost configuration parameter, <a href="runtime-config-query.html#runtime-config-query-constants"> Planner Cost Constants
</a>
</dt>
<dt>cpu_tuple_cost configuration parameter, <a href="runtime-config-query.html#runtime-config-query-constants"> Planner Cost Constants
</a>
</dt>
<dt>CREATE AGGREGATE, <a href="sql-createaggregate.html">CREATE AGGREGATE</a>
</dt>
<dt>CREATE CAST, <a href="sql-createcast.html">CREATE CAST</a>
</dt>
<dt>CREATE CONSTRAINT, <a href="sql-createconstraint.html">CREATE CONSTRAINT TRIGGER</a>
</dt>
<dt>CREATE CONVERSION, <a href="sql-createconversion.html">CREATE CONVERSION</a>
</dt>
<dt>CREATE
DATABASE, <a href="manage-ag-createdb.html">Creating a Database</a>, <a href="sql-createdatabase.html">CREATE DATABASE</a>
</dt>
<dt>CREATE DOMAIN, <a href="sql-createdomain.html">CREATE DOMAIN</a>
</dt>
<dt>CREATE FUNCTION, <a href="sql-createfunction.html">CREATE FUNCTION</a>
</dt>
<dt>CREATE GROUP, <a href="sql-creategroup.html">CREATE GROUP</a>
</dt>
<dt>CREATE INDEX, <a href="sql-createindex.html">CREATE INDEX</a>
</dt>
<dt>CREATE LANGUAGE, <a href="sql-createlanguage.html">CREATE LANGUAGE</a>
</dt>
<dt>CREATE OPERATOR, <a href="sql-createoperator.html">CREATE OPERATOR</a>
</dt>
<dt>CREATE OPERATOR CLASS, <a href="sql-createopclass.html">CREATE OPERATOR CLASS</a>
</dt>
<dt>CREATE ROLE, <a href="user-manag.html#database-roles">Database Roles</a>, <a href="sql-createrole.html">CREATE ROLE</a>
</dt>
<dt>CREATE RULE, <a href="sql-createrule.html">CREATE RULE</a>
</dt>
<dt>CREATE SCHEMA, <a href="sql-createschema.html">CREATE SCHEMA</a>
</dt>
<dt>CREATE SEQUENCE, <a href="sql-createsequence.html">CREATE SEQUENCE</a>
</dt>
<dt>CREATE TABLE, <a href="tutorial-table.html">Creating a New Table</a>, <a href="sql-createtable.html">CREATE TABLE</a>
</dt>
<dt>CREATE TABLE AS, <a href="sql-createtableas.html">CREATE TABLE AS</a>
</dt>
<dt>CREATE TABLESPACE, <a href="manage-ag-tablespaces.html">Tablespaces</a>, <a href="sql-createtablespace.html">CREATE TABLESPACE</a>
</dt>
<dt>CREATE TRIGGER, <a href="sql-createtrigger.html">CREATE TRIGGER</a>
</dt>
<dt>CREATE TYPE, <a href="sql-createtype.html">CREATE TYPE</a>
</dt>
<dt>CREATE USER, <a href="sql-createuser.html">CREATE USER</a>
</dt>
<dt>CREATE VIEW, <a href="sql-createview.html">CREATE VIEW</a>
</dt>
<dt>createdb, <a href="tutorial-createdb.html">Creating a Database</a>, <a href="manage-ag-createdb.html">Creating a Database</a>, <a href="app-createdb.html">createdb</a>
</dt>
<dt>createlang, <a href="app-createlang.html">createlang</a>
</dt>
<dt>createuser, <a href="user-manag.html#database-roles">Database Roles</a>, <a href="app-createuser.html">createuser</a>
</dt>
<dt>cross join, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>crypt, <a href="auth-methods.html#auth-password">Password authentication</a>
</dt>
<dt>cstring, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>ctid, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>CTID, <a href="rules-views.html#id717045">View Rules in Non-SELECT Statements</a>
</dt>
<dt>current_date, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>current_time, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>current_timestamp, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>currval, <a href="functions-sequence.html">Sequence Manipulation Functions</a>
</dt>
<dt>cursor</dt>
<dd><dl>
<dt>CLOSE, <a href="sql-close.html">CLOSE</a>
</dt>
<dt>DECLARE, <a href="sql-declare.html">DECLARE</a>
</dt>
<dt>FETCH, <a href="sql-fetch.html">FETCH</a>
</dt>
<dt>in PL/pgSQL, <a href="plpgsql-cursors.html">Cursors</a>
</dt>
<dt>MOVE, <a href="sql-move.html">MOVE</a>
</dt>
<dt>showing the query plan, <a href="sql-explain.html">EXPLAIN</a>
</dt>
</dl></dd>
<dt>custom_variable_classes configuration parameter, <a href="runtime-config-custom.html">Customized Options</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>D</h3>
<dl>
<dt>data area (see database cluster)</dt>
<dt>data type, <a href="datatype.html">Data Types</a>
</dt>
<dd><dl>
<dt>base, <a href="extend-type-system.html">The PostgreSQL Type System</a>
</dt>
<dt>category, <a href="typeconv.html#typeconv-overview">Overview</a>
</dt>
<dt>composite, <a href="extend-type-system.html">The PostgreSQL Type System</a>
</dt>
<dt>constant, <a href="sql-syntax.html#sql-syntax-constants-generic">Constants of Other Types</a>
</dt>
<dt>conversion, <a href="typeconv.html">Type Conversion</a>
</dt>
<dt>internal organization, <a href="xfunc-c.html#xfunc-c-basetype">Base Types in C-Language Functions</a>
</dt>
<dt>numeric, <a href="datatype.html#datatype-numeric">Numeric Types</a>
</dt>
<dt>type cast, <a href="sql-expressions.html#sql-syntax-type-casts">Type Casts</a>
</dt>
<dt>user-defined, <a href="xtypes.html">User-Defined Types</a>
</dt>
</dl></dd>
<dt>database, <a href="managing-databases.html">Managing Databases</a>
</dt>
<dd><dl>
<dt>creating, <a href="tutorial-createdb.html">Creating a Database</a>
</dt>
<dt>privilege to create, <a href="role-attributes.html">Role Attributes</a>
</dt>
</dl></dd>
<dt>database activity</dt>
<dd><dl><dt>monitoring, <a href="monitoring.html">Monitoring Database Activity</a>
</dt></dl></dd>
<dt>database cluster, <a href="tutorial-concepts.html">Concepts</a>, <a href="creating-cluster.html">Creating a Database Cluster</a>
</dt>
<dt>data_directory configuration parameter, <a href="runtime-config-file-locations.html">File Locations</a>
</dt>
<dt>date, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587357">Dates</a>
</dt>
<dd><dl>
<dt>constants, <a href="datatype-datetime.html#id588366">Special Values</a>
</dt>
<dt>current, <a href="functions-datetime.html#functions-datetime-current">Current Date/Time</a>
</dt>
<dt>output format, <a href="datatype-datetime.html#datatype-datetime-output">Date/Time Output</a>
</dt>
<dd><dl><dt>(see also formatting)</dt></dl></dd>
</dl></dd>
<dt>DateStyle configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>date_part, <a href="functions-datetime.html">Date/Time Functions and Operators</a>, <a href="functions-datetime.html#functions-datetime-extract">EXTRACT, date_part</a>
</dt>
<dt>date_trunc, <a href="functions-datetime.html">Date/Time Functions and Operators</a>, <a href="functions-datetime.html#functions-datetime-trunc">date_trunc</a>
</dt>
<dt>DBI, <a href="plperl-database.html">Database Access from PL/Perl</a>
</dt>
<dt>db_user_namespace configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>deadlock, <a href="explicit-locking.html#locking-deadlocks">Deadlocks</a>
</dt>
<dd><dl><dt>timeout during, <a href="runtime-config-locks.html">Lock Management</a>
</dt></dl></dd>
<dt>deadlock_timeout configuration parameter, <a href="runtime-config-locks.html">Lock Management</a>
</dt>
<dt>DEALLOCATE, <a href="sql-deallocate.html">DEALLOCATE</a>
</dt>
<dt>debug_assertions configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>debug_pretty_print configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>debug_print_parse configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>debug_print_plan configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>debug_print_rewritten configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>decimal (see numeric)</dt>
<dt>DECLARE, <a href="sql-declare.html">DECLARE</a>
</dt>
<dt>decode, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>default value, <a href="ddl-default.html">Default Values</a>
</dt>
<dd><dl><dt>changing, <a href="ddl-alter.html#id576387">Changing a Column's Default Value</a>
</dt></dl></dd>
<dt>default_statistics_target configuration parameter, <a href="runtime-config-query.html#runtime-config-query-other">Other Planner Options</a>
</dt>
<dt>default_tablespace configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>default_transaction_isolation configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>default_transaction_read_only configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>default_with_oids configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>degrees, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>DELETE, <a href="tutorial-delete.html">Deletions</a>, <a href="dml-delete.html">Deleting Data</a>, <a href="sql-delete.html">DELETE</a>
</dt>
<dt>deleting, <a href="dml-delete.html">Deleting Data</a>
</dt>
<dt>diameter, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>Digital UNIX (see Tru64 UNIX)</dt>
<dt>dirty read, <a href="transaction-iso.html">Transaction Isolation</a>
</dt>
<dt>disjunction, <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>disk drive, <a href="wal-internals.html">WAL Internals</a>
</dt>
<dt>disk space, <a href="maintenance.html#vacuum-for-space-recovery">Recovering disk space</a>
</dt>
<dt>disk usage, <a href="diskusage.html#disk-usage">Determining Disk Usage</a>
</dt>
<dt>DISTINCT, <a href="tutorial-select.html">Querying a Table</a>, <a href="queries-select-lists.html#queries-distinct">DISTINCT</a>
</dt>
<dt>dollar quoting, <a href="sql-syntax.html#sql-syntax-dollar-quoting">Dollar-Quoted String Constants</a>
</dt>
<dt>double precision, <a href="datatype.html#datatype-float">Floating-Point Types</a>
</dt>
<dt>DROP AGGREGATE, <a href="sql-dropaggregate.html">DROP AGGREGATE</a>
</dt>
<dt>DROP CAST, <a href="sql-dropcast.html">DROP CAST</a>
</dt>
<dt>DROP CONVERSION, <a href="sql-dropconversion.html">DROP CONVERSION</a>
</dt>
<dt>DROP DATABASE, <a href="manage-ag-dropdb.html">Destroying a Database</a>, <a href="sql-dropdatabase.html">DROP DATABASE</a>
</dt>
<dt>DROP DOMAIN, <a href="sql-dropdomain.html">DROP DOMAIN</a>
</dt>
<dt>DROP FUNCTION, <a href="sql-dropfunction.html">DROP FUNCTION</a>
</dt>
<dt>DROP GROUP, <a href="sql-dropgroup.html">DROP GROUP</a>
</dt>
<dt>DROP INDEX, <a href="sql-dropindex.html">DROP INDEX</a>
</dt>
<dt>DROP LANGUAGE, <a href="sql-droplanguage.html">DROP LANGUAGE</a>
</dt>
<dt>DROP OPERATOR, <a href="sql-dropoperator.html">DROP OPERATOR</a>
</dt>
<dt>DROP OPERATOR CLASS, <a href="sql-dropopclass.html">DROP OPERATOR CLASS</a>
</dt>
<dt>DROP ROLE, <a href="user-manag.html#database-roles">Database Roles</a>, <a href="sql-droprole.html">DROP ROLE</a>
</dt>
<dt>DROP RULE, <a href="sql-droprule.html">DROP RULE</a>
</dt>
<dt>DROP SCHEMA, <a href="sql-dropschema.html">DROP SCHEMA</a>
</dt>
<dt>DROP SEQUENCE, <a href="sql-dropsequence.html">DROP SEQUENCE</a>
</dt>
<dt>DROP TABLE, <a href="tutorial-table.html">Creating a New Table</a>, <a href="sql-droptable.html">DROP TABLE</a>
</dt>
<dt>DROP TABLESPACE, <a href="sql-droptablespace.html">DROP TABLESPACE</a>
</dt>
<dt>DROP TRIGGER, <a href="sql-droptrigger.html">DROP TRIGGER</a>
</dt>
<dt>DROP TYPE, <a href="sql-droptype.html">DROP TYPE</a>
</dt>
<dt>DROP USER, <a href="sql-dropuser.html">DROP USER</a>
</dt>
<dt>DROP VIEW, <a href="sql-dropview.html">DROP VIEW</a>
</dt>
<dt>dropdb, <a href="manage-ag-dropdb.html">Destroying a Database</a>, <a href="app-dropdb.html">dropdb</a>
</dt>
<dt>droplang, <a href="app-droplang.html">droplang</a>
</dt>
<dt>dropuser, <a href="user-manag.html#database-roles">Database Roles</a>, <a href="app-dropuser.html">dropuser</a>
</dt>
<dt>duplicate, <a href="tutorial-select.html">Querying a Table</a>
</dt>
<dt>duplicates, <a href="queries-select-lists.html#queries-distinct">DISTINCT</a>
</dt>
<dt>dynamic loading, <a href="runtime-config-client.html#runtime-config-client-other">Other Defaults</a>, <a href="xfunc-c.html#xfunc-c-dynload">Dynamic Loading</a>
</dt>
<dt>dynamic_library_path, <a href="xfunc-c.html#xfunc-c-dynload">Dynamic Loading</a>
</dt>
<dt>dynamic_library_path configuration parameter, <a href="runtime-config-client.html#runtime-config-client-other">Other Defaults</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>E</h3>
<dl>
<dt>ECPG, <a href="ecpg.html">ECPG - Embedded SQL in C</a>
</dt>
<dt>ecpg, <a href="app-ecpg.html">ecpg</a>
</dt>
<dt>effective_cache_size configuration parameter, <a href="runtime-config-query.html#runtime-config-query-constants"> Planner Cost Constants
</a>
</dt>
<dt>elog, <a href="error-message-reporting.html">Reporting Errors Within the Server</a>
</dt>
<dd><dl>
<dt>in PL/Perl, <a href="plperl-database.html">Database Access from PL/Perl</a>
</dt>
<dt>in PL/Python, <a href="plpython-database.html">Database Access</a>
</dt>
<dt>in PL/Tcl, <a href="pltcl-dbaccess.html">Database Access from PL/Tcl</a>
</dt>
</dl></dd>
<dt>embedded SQL</dt>
<dd><dl><dt>in C, <a href="ecpg.html">ECPG - Embedded SQL in C</a>
</dt></dl></dd>
<dt>enable_bitmapscan configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_hashagg configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_hashjoin configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_indexscan configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_mergejoin configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_nestloop configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_seqscan configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_sort configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>enable_tidscan configuration parameter, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>encode, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>encryption, <a href="encryption-options.html">Encryption Options</a>
</dt>
<dt>END, <a href="sql-end.html">END</a>
</dt>
<dt>environment variable, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>ereport, <a href="error-message-reporting.html">Reporting Errors Within the Server</a>
</dt>
<dt>error codes</dt>
<dd><dl>
<dt>libpq, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>list of, <a href="errcodes-appendix.html">PostgreSQL Error Codes</a>
</dt>
</dl></dd>
<dt>error message, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>escape_string_warning configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>escaping strings, <a href="libpq-exec.html#libpq-exec-escape-string">Escaping Strings for Inclusion in SQL Commands</a>
</dt>
<dt>every, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>EXCEPT, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>exceptions</dt>
<dd><dl><dt>in PL/PgSQL, <a href="plpgsql-control-structures.html#plpgsql-error-trapping">Trapping Errors</a>
</dt></dl></dd>
<dt>EXECUTE, <a href="sql-execute.html">EXECUTE</a>
</dt>
<dt>EXISTS, <a href="functions-subquery.html">Subquery Expressions</a>
</dt>
<dt>EXIT</dt>
<dd><dl><dt>in PL/pgSQL, <a href="plpgsql-control-structures.html#id725051">EXIT</a>
</dt></dl></dd>
<dt>exp, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>EXPLAIN, <a href="performance-tips.html#using-explain">Using EXPLAIN</a>, <a href="sql-explain.html">EXPLAIN</a>
</dt>
<dt>explain_pretty_print configuration parameter, <a href="runtime-config-client.html#runtime-config-client-other">Other Defaults</a>
</dt>
<dt>expression</dt>
<dd><dl>
<dt>order of evaluation, <a href="sql-expressions.html#syntax-express-eval">Expression Evaluation Rules</a>
</dt>
<dt>syntax, <a href="sql-expressions.html">Value Expressions</a>
</dt>
</dl></dd>
<dt>extending SQL, <a href="extend.html">Extending SQL</a>
</dt>
<dt>extensions, <a href="external-extensions.html">Extensions</a>
</dt>
<dt>external_pid_file configuration parameter, <a href="runtime-config-file-locations.html">File Locations</a>
</dt>
<dt>extract, <a href="functions-datetime.html">Date/Time Functions and Operators</a>, <a href="functions-datetime.html#functions-datetime-extract">EXTRACT, date_part</a>
</dt>
<dt>extra_float_digits configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>F</h3>
<dl>
<dt>false, <a href="datatype-boolean.html">Boolean Type</a>
</dt>
<dt>FAQ-Liste, <a href="resources.html">Further Information</a>
</dt>
<dt>fast path, <a href="libpq-fastpath.html">The Fast-Path Interface</a>
</dt>
<dt>FETCH, <a href="sql-fetch.html">FETCH</a>
</dt>
<dt>field</dt>
<dd><dl><dt>computed, <a href="xfunc-sql.html#id704549">SQL Functions on Composite Types</a>
</dt></dl></dd>
<dt>field selection, <a href="sql-expressions.html#id573192">Field Selection</a>
</dt>
<dt>flex, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>float4 (see real)</dt>
<dt>float8 (see double precision)</dt>
<dt>floating point, <a href="datatype.html#datatype-float">Floating-Point Types</a>
</dt>
<dt>floating-point</dt>
<dd><dl><dt>display, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt></dl></dd>
<dt>floor, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>foreign key, <a href="tutorial-fk.html">Foreign Keys</a>, <a href="ddl-constraints.html#ddl-constraints-fk">Foreign Keys</a>
</dt>
<dt>formatting, <a href="functions-formatting.html">Data Type Formatting Functions</a>
</dt>
<dt>format_type, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>free space map, <a href="runtime-config-resource.html#runtime-config-resource-fsm">Free Space Map</a>
</dt>
<dt>FreeBSD</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>start script, <a href="postmaster-start.html">Starting the Database Server</a>
</dt>
</dl></dd>
<dt>FROM</dt>
<dd><dl><dt>missing, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt></dl></dd>
<dt>from_collapse_limit configuration parameter, <a href="runtime-config-query.html#runtime-config-query-other">Other Planner Options</a>
</dt>
<dt>fsync configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>full_page_writes configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>function, <a href="functions.html">Functions and Operators</a>
</dt>
<dd><dl>
<dt>in the FROM clause, <a href="queries-table-expressions.html#queries-tablefunctions">Table Functions</a>
</dt>
<dt>internal, <a href="xfunc-internal.html">Internal Functions</a>
</dt>
<dt>invocation, <a href="sql-expressions.html#id573353">Function Calls</a>
</dt>
<dt>output parameter, <a href="xfunc-sql.html#xfunc-output-parameters">Functions with Output Parameters</a>
</dt>
<dt>polymorphic, <a href="extend-type-system.html#extend-types-polymorphic">Polymorphic Types</a>
</dt>
<dt>type resolution in an invocation, <a href="typeconv-func.html">Functions</a>
</dt>
<dt>user-defined, <a href="xfunc.html">User-Defined Functions</a>
</dt>
<dd><dl>
<dt>in C, <a href="xfunc-c.html">C-Language Functions</a>
</dt>
<dt>in SQL, <a href="xfunc-sql.html">Query Language (SQL) Functions</a>
</dt>
</dl></dd>
</dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>G</h3>
<dl>
<dt>generate_series, <a href="functions-srf.html">Set Returning Functions</a>
</dt>
<dt>genetic query optimization, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>GEQO (see genetic query optimization)</dt>
<dt>geqo configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>geqo_effort configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>geqo_generations configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>geqo_pool_size configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>geqo_selection_bias configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>geqo_threshold configuration parameter, <a href="runtime-config-query.html#runtime-config-query-geqo">Genetic Query Optimizer</a>
</dt>
<dt>get_bit, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
<dt>get_byte, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
<dt>GiST (see index)</dt>
<dt>global data</dt>
<dd><dl>
<dt>in
PL/Python, <a href="plpython.html#plpython-funcs">PL/Python Functions</a>
</dt>
<dt>in PL/Tcl, <a href="pltcl-global.html">Global Data in PL/Tcl</a>
</dt>
</dl></dd>
<dt>GRANT, <a href="privileges.html">Privileges</a>, <a href="sql-grant.html">GRANT</a>
</dt>
<dt>GREATEST, <a href="functions-conditional.html#id618106">GREATEST and LEAST</a>
</dt>
<dd><dl><dt>determination of result type, <a href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>
</dt></dl></dd>
<dt>GROUP BY, <a href="tutorial-agg.html">Aggregate Functions</a>, <a href="queries-table-expressions.html#queries-group">The GROUP BY and HAVING Clauses</a>
</dt>
<dt>grouping, <a href="queries-table-expressions.html#queries-group">The GROUP BY and HAVING Clauses</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>H</h3>
<dl>
<dt>hash (see index)</dt>
<dt>has_database_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>has_function_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>has_language_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>has_schema_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>has_tablespace_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>has_table_privilege, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>HAVING, <a href="tutorial-agg.html">Aggregate Functions</a>, <a href="queries-table-expressions.html#queries-group">The GROUP BY and HAVING Clauses</a>
</dt>
<dt>hba_file configuration parameter, <a href="runtime-config-file-locations.html">File Locations</a>
</dt>
<dt>height, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>hierarchical database, <a href="tutorial-concepts.html">Concepts</a>
</dt>
<dt>history</dt>
<dd><dl><dt>of PostgreSQL, <a href="history.html">A Brief History of PostgreSQL</a>
</dt></dl></dd>
<dt>host name, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>HP-UX</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
</dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>I</h3>
<dl>
<dt>ident, <a href="auth-methods.html#auth-ident">Ident-based authentication</a>
</dt>
<dt>identifier</dt>
<dd><dl>
<dt>length, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt>
<dt>syntax of, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt>
</dl></dd>
<dt>ident_file configuration parameter, <a href="runtime-config-file-locations.html">File Locations</a>
</dt>
<dt>IFNULL, <a href="functions-conditional.html#id617923">COALESCE</a>
</dt>
<dt>IMMUTABLE, <a href="xfunc-volatility.html">Function Volatility Categories</a>
</dt>
<dt>IN, <a href="functions-subquery.html">Subquery Expressions</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>index, <a href="indexes.html">Indexes</a>
</dt>
<dd><dl>
<dt>B-tree, <a href="indexes-types.html">Index Types</a>
</dt>
<dt>combining multiple indexes, <a href="indexes-bitmap-scans.html">Combining Multiple Indexes</a>
</dt>
<dt>examining usage, <a href="indexes-examine.html">Examining Index Usage</a>
</dt>
<dt>on expressions, <a href="indexes-expressional.html">Indexes on Expressions</a>
</dt>
<dt>for user-defined data type, <a href="xindex.html">Interfacing Extensions To Indexes</a>
</dt>
<dt>GiST, <a href="gist.html#gist-intro">Introduction</a>
</dt>
<dt>hash, <a href="indexes-types.html">Index Types</a>
</dt>
<dt>locks, <a href="locking-indexes.html">Locking and Indexes</a>
</dt>
<dt>multicolumn, <a href="indexes-multicolumn.html">Multicolumn Indexes</a>
</dt>
<dt>partial, <a href="indexes-partial.html">Partial Indexes</a>
</dt>
<dt>R-tree, <a href="indexes-types.html">Index Types</a>
</dt>
<dt>unique, <a href="indexes-unique.html">Unique Indexes</a>
</dt>
</dl></dd>
<dt>index scan, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>inet (data type), <a href="datatype-net-types.html#datatype-inet">inet</a>
</dt>
<dt>inet_client_addr, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>inet_client_port, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>inet_server_addr, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>inet_server_port, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>information schema, <a href="information-schema.html">The Information Schema</a>
</dt>
<dt>inheritance, <a href="tutorial-inheritance.html">Inheritance</a>, <a href="ddl-inherit.html">Inheritance</a>, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>initcap, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>initdb, <a href="creating-cluster.html">Creating a Database Cluster</a>, <a href="app-initdb.html">initdb</a>
</dt>
<dt>input function, <a href="xtypes.html">User-Defined Types</a>
</dt>
<dd><dl><dt>of
a data type, <a href="xtypes.html">User-Defined Types</a>
</dt></dl></dd>
<dt>INSERT, <a href="tutorial-populate.html">Populating a Table With Rows</a>, <a href="dml.html#dml-insert">Inserting Data</a>, <a href="sql-insert.html">INSERT</a>
</dt>
<dt>inserting, <a href="dml.html#dml-insert">Inserting Data</a>
</dt>
<dt>installation, <a href="installation.html"> Installation Instructions</a>
</dt>
<dd><dl><dt>on Windows, <a href="install-requirements.html">Requirements</a>, <a href="install-win32.html">Client-Only Installation on Windows</a>
</dt></dl></dd>
<dt>instr, <a href="plpgsql-porting.html#id728100">Porting Examples</a>
</dt>
<dt>int2 (see smallint)</dt>
<dt>int4 (see integer)</dt>
<dt>int8 (see bigint)</dt>
<dt>integer, <a href="sql-syntax.html#id571577">Numeric Constants</a>, <a href="datatype.html#datatype-int">Integer Types</a>
</dt>
<dt>integer_datetimes configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>interfaces, <a href="external-projects.html#external-interfaces">Externally Developed Interfaces</a>
</dt>
<dt>internal, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>INTERSECT, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>interval, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id588164">Intervals</a>
</dt>
<dt>ipcclean, <a href="app-ipcclean.html">ipcclean</a>
</dt>
<dt>IRIX</dt>
<dd><dl><dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt></dl></dd>
<dt>IS DISTINCT FROM, <a href="functions-comparison.html">Comparison Operators</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>, <a href="functions-comparisons.html#id621023">Row-wise Comparison</a>
</dt>
<dt>IS FALSE, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>IS NOT FALSE, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>IS NOT NULL, <a href="functions-comparison.html">Comparison Operators</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>IS NOT TRUE, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>IS NOT UNKNOWN, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>IS NULL, <a href="functions-comparison.html">Comparison Operators</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>, <a href="runtime-config-compatible.html#runtime-config-compatible-clients">Platform and Client Compatibility</a>
</dt>
<dt>IS TRUE, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>IS UNKNOWN, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>isclosed, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>isfinite, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>ISNULL, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>isopen, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>J</h3>
<dl>
<dt>join, <a href="tutorial-join.html">Joins Between Tables</a>, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dd><dl>
<dt>controlling the order, <a href="explicit-joins.html">Controlling the Planner with Explicit JOIN Clauses</a>
</dt>
<dt>cross, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>left, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>natural, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>outer, <a href="tutorial-join.html">Joins Between Tables</a>, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>right, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>self, <a href="tutorial-join.html">Joins Between Tables</a>
</dt>
</dl></dd>
<dt>join_collapse_limit configuration parameter, <a href="runtime-config-query.html#runtime-config-query-other">Other Planner Options</a>
</dt>
<dt>justify_days, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>justify_hours, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>K</h3>
<dl>
<dt>Kerberos, <a href="auth-methods.html#kerberos-auth">Kerberos authentication</a>
</dt>
<dt>key word</dt>
<dd><dl>
<dt>list of, <a href="sql-keywords-appendix.html">SQL Key Words</a>
</dt>
<dt>syntax of, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt>
</dl></dd>
<dt>krb_caseins_users configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>krb_server_hostname configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>krb_server_keyfile configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>krb_srvname configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>L</h3>
<dl>
<dt>label (see alias)</dt>
<dt>language_handler, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>large object, <a href="largeobjects.html">Large Objects</a>
</dt>
<dt>lastval, <a href="functions-sequence.html">Sequence Manipulation Functions</a>
</dt>
<dt>lc_collate configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>lc_ctype configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>lc_messages configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>lc_monetary configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>lc_numeric configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>lc_time configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>ldconfig, <a href="install-post.html#id637172">Shared Libraries</a>
</dt>
<dt>LEAST, <a href="functions-conditional.html#id618106">GREATEST and LEAST</a>
</dt>
<dd><dl><dt>determination of result type, <a href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>
</dt></dl></dd>
<dt>left join, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>length, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dd><dl>
<dt>of a binary string (see binary strings, length)</dt>
<dt>of a character string (see character string, length)</dt>
</dl></dd>
<dt>libperl, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>libpq, <a href="libpq.html">libpq - C Library</a>
</dt>
<dt>libpq-fe.h, <a href="libpq.html">libpq - C Library</a>, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>libpq-int.h, <a href="libpq-status.html">Connection Status Functions</a>, <a href="libpq-build.html">Building libpq Programs</a>
</dt>
<dt>libpython, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>LIKE, <a href="functions-matching.html#functions-like">LIKE</a>
</dt>
<dd><dl><dt>and locales, <a href="charset.html#id663399">Behavior</a>
</dt></dl></dd>
<dt>LIMIT, <a href="queries-limit.html">LIMIT and OFFSET</a>
</dt>
<dt>line segment, <a href="datatype-geometric.html#id589880">Line Segments</a>
</dt>
<dt>Linux</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>start script, <a href="postmaster-start.html">Starting the Database Server</a>
</dt>
</dl></dd>
<dt>LISTEN, <a href="sql-listen.html">LISTEN</a>
</dt>
<dt>listen_addresses configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>ln, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>LOAD, <a href="sql-load.html">LOAD</a>
</dt>
<dt>locale, <a href="creating-cluster.html">Creating a Database Cluster</a>, <a href="charset.html#locale">Locale Support</a>
</dt>
<dt>localtime, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>localtimestamp, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>lock, <a href="explicit-locking.html">Explicit Locking</a>
</dt>
<dd><dl><dt>monitoring, <a href="monitoring-locks.html">Viewing Locks</a>
</dt></dl></dd>
<dt>LOCK, <a href="explicit-locking.html#locking-tables">Table-Level Locks</a>, <a href="sql-lock.html">LOCK</a>
</dt>
<dt>log, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>login privilege, <a href="role-attributes.html">Role Attributes</a>
</dt>
<dt>log_connections configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_destination configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>log_directory configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>log_disconnections configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_duration configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_error_verbosity configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>log_executor_stats configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-monitor">Statistics Monitoring</a>
</dt>
<dt>log_filename configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>log_hostname configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_line_prefix configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_min_duration_statement configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>log_min_error_statement configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>log_min_messages configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>log_parser_stats configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-monitor">Statistics Monitoring</a>
</dt>
<dt>log_planner_stats configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-monitor">Statistics Monitoring</a>
</dt>
<dt>log_rotation_age configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>log_rotation_size configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>log_statement configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-what">What To Log</a>
</dt>
<dt>log_statement_stats configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-monitor">Statistics Monitoring</a>
</dt>
<dt>log_truncate_on_rotation configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>loop</dt>
<dd><dl><dt>in PL/pgSQL, <a href="plpgsql-control-structures.html#plpgsql-control-structures-loops">Simple Loops</a>
</dt></dl></dd>
<dt>lower, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dd><dl><dt>and locales, <a href="charset.html#id663399">Behavior</a>
</dt></dl></dd>
<dt>lo_close, <a href="lo-interfaces.html#id688756">Closing a Large Object Descriptor</a>
</dt>
<dt>lo_creat, <a href="lo-interfaces.html#id688137">Creating a Large Object</a>, <a href="lo-funcs.html">Server-Side Functions</a>
</dt>
<dt>lo_create, <a href="lo-interfaces.html#id688137">Creating a Large Object</a>, <a href="lo-funcs.html">Server-Side Functions</a>
</dt>
<dt>lo_export, <a href="lo-interfaces.html#id688332">Exporting a Large Object</a>, <a href="lo-funcs.html">Server-Side Functions</a>
</dt>
<dt>lo_import, <a href="lo-interfaces.html#id688296">Importing a Large Object</a>, <a href="lo-funcs.html">Server-Side Functions</a>
</dt>
<dt>lo_lseek, <a href="lo-interfaces.html#id688670">Seeking in a Large Object</a>
</dt>
<dt>lo_open, <a href="lo-interfaces.html#id688373">Opening an Existing Large Object</a>
</dt>
<dt>lo_read, <a href="lo-interfaces.html#id688613">Reading Data from a Large Object</a>
</dt>
<dt>lo_tell, <a href="lo-interfaces.html#id688732">Obtaining the Seek Position of a Large Object</a>
</dt>
<dt>lo_unlink, <a href="lo-interfaces.html#id688805">Removing a Large Object</a>, <a href="lo-funcs.html">Server-Side Functions</a>
</dt>
<dt>lo_write, <a href="lo-interfaces.html#id688554">Writing Data to a Large Object</a>
</dt>
<dt>lpad, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>lseg, <a href="datatype-geometric.html#id589880">Line Segments</a>
</dt>
<dt>ltrim, <a href="functions-string.html">String Functions and Operators</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>M</h3>
<dl>
<dt>MAC address (see macaddr)</dt>
<dt>macaddr (data type), <a href="datatype-net-types.html#datatype-macaddr">macaddr</a>
</dt>
<dt>MacOS X</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
</dl></dd>
<dt>maintenance, <a href="maintenance.html">Routine Database Maintenance Tasks</a>
</dt>
<dt>maintenance_work_mem configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
<dt>make, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>MANPATH, <a href="install-post.html#id637545">Environment Variables</a>
</dt>
<dt>max, <a href="tutorial-agg.html">Aggregate Functions</a>
</dt>
<dt>max_connections configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>max_files_per_process configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-kernel">Kernel Resource Usage</a>
</dt>
<dt>max_fsm_pages configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-fsm">Free Space Map</a>
</dt>
<dt>max_fsm_relations configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-fsm">Free Space Map</a>
</dt>
<dt>max_function_args configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>max_identifier_length configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>max_index_keys configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>max_locks_per_transaction configuration parameter, <a href="runtime-config-locks.html">Lock Management</a>
</dt>
<dt>max_prepared_transactions configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
<dt>max_stack_depth configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
<dt>md5, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>MD5, <a href="auth-methods.html#auth-password">Password authentication</a>
</dt>
<dt>memory
context</dt>
<dd><dl><dt>in SPI, <a href="spi-memory.html">Memory Management</a>
</dt></dl></dd>
<dt>min, <a href="tutorial-agg.html">Aggregate Functions</a>
</dt>
<dt>mod, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>monitoring</dt>
<dd><dl><dt>database activity, <a href="monitoring.html">Monitoring Database Activity</a>
</dt></dl></dd>
<dt>MOVE, <a href="sql-move.html">MOVE</a>
</dt>
<dt>MVCC, <a href="mvcc.html#mvcc-intro">Introduction</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>N</h3>
<dl>
<dt>name</dt>
<dd><dl>
<dt>qualified, <a href="ddl-schemas.html#ddl-schemas-create">Creating a Schema</a>
</dt>
<dt>syntax of, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt>
<dt>unqualified, <a href="ddl-schemas.html#ddl-schemas-path">The Schema Search Path</a>
</dt>
</dl></dd>
<dt>natural join, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>negation, <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>NetBSD</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>start script, <a href="postmaster-start.html">Starting the Database Server</a>
</dt>
</dl></dd>
<dt>network</dt>
<dd><dl><dt>data types, <a href="datatype-net-types.html">Network Address Types</a>
</dt></dl></dd>
<dt>nextval, <a href="functions-sequence.html">Sequence Manipulation Functions</a>
</dt>
<dt>nonblocking connection, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>nonrepeatable read, <a href="transaction-iso.html">Transaction Isolation</a>
</dt>
<dt>NOT (operator), <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>NOT IN, <a href="functions-subquery.html">Subquery Expressions</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>not-null constraint, <a href="ddl-constraints.html#id575041">Not-Null Constraints</a>
</dt>
<dt>notice processing</dt>
<dd><dl><dt>in libpq, <a href="libpq-notice-processing.html">Notice Processing</a>
</dt></dl></dd>
<dt>notice processor, <a href="libpq-notice-processing.html">Notice Processing</a>
</dt>
<dt>notice receiver, <a href="libpq-notice-processing.html">Notice Processing</a>
</dt>
<dt>NOTIFY, <a href="sql-notify.html">NOTIFY</a>
</dt>
<dd><dl><dt>in libpq, <a href="libpq-notify.html">Asynchronous Notification</a>
</dt></dl></dd>
<dt>NOTNULL, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>now, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>npoints, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>null value</dt>
<dd><dl>
<dt>with check constraints, <a href="ddl-constraints.html#id574819">Check Constraints</a>
</dt>
<dt>comparing, <a href="functions-comparison.html">Comparison Operators</a>
</dt>
<dt>default value, <a href="ddl-default.html">Default Values</a>
</dt>
<dt>in
DISTINCT, <a href="queries-select-lists.html#queries-distinct">DISTINCT</a>
</dt>
<dt>in libpq, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>in PL/Perl, <a href="plperl.html#plperl-funcs">PL/Perl Functions and Arguments</a>
</dt>
<dt>in PL/Python, <a href="plpython.html#plpython-funcs">PL/Python Functions</a>
</dt>
<dt>with unique constraints, <a href="ddl-constraints.html#id575183">Unique Constraints</a>
</dt>
</dl></dd>
<dt>NULLIF, <a href="functions-conditional.html#id618019">NULLIF</a>
</dt>
<dt>number</dt>
<dd><dl><dt>constant, <a href="sql-syntax.html#id571577">Numeric Constants</a>
</dt></dl></dd>
<dt>numeric, <a href="sql-syntax.html#id571577">Numeric Constants</a>
</dt>
<dt>numeric (data type), <a href="datatype.html#datatype-numeric-decimal">Arbitrary Precision Numbers</a>
</dt>
<dt>NVL, <a href="functions-conditional.html#id617923">COALESCE</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>O</h3>
<dl>
<dt>object identifier</dt>
<dd><dl><dt>data type, <a href="datatype-oid.html">Object Identifier Types</a>
</dt></dl></dd>
<dt>object-oriented database, <a href="tutorial-concepts.html">Concepts</a>
</dt>
<dt>obj_description, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>octet_length, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>OFFSET, <a href="queries-limit.html">LIMIT and OFFSET</a>
</dt>
<dt>OID</dt>
<dd><dl>
<dt>column, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>in
libpq, <a href="libpq-exec.html#libpq-exec-nonselect">Retrieving Result Information for Other Commands</a>
</dt>
</dl></dd>
<dt>oid, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>on-line backup, <a href="backup.html">Backup and Restore</a>
</dt>
<dt>ONLY, <a href="queries-table-expressions.html#queries-from">The FROM Clause</a>
</dt>
<dt>opaque, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>OpenBSD</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>start script, <a href="postmaster-start.html">Starting the Database Server</a>
</dt>
</dl></dd>
<dt>OpenSSL, <a href="install-procedure.html">Installation Procedure</a>
</dt>
<dd><dl><dt>(see also SSL)</dt></dl></dd>
<dt>operator, <a href="functions.html">Functions and Operators</a>
</dt>
<dd><dl>
<dt>invocation, <a href="sql-expressions.html#id573238">Operator Invocations</a>
</dt>
<dt>logical, <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>precedence, <a href="sql-syntax.html#sql-precedence">Lexical Precedence</a>
</dt>
<dt>syntax, <a href="sql-syntax.html#sql-syntax-operators">Operators</a>
</dt>
<dt>type resolution in an invocation, <a href="typeconv-oper.html">Operators</a>
</dt>
<dt>user-defined, <a href="xoper.html">User-Defined Operators</a>
</dt>
</dl></dd>
<dt>operator class, <a href="indexes-opclass.html">Operator Classes</a>, <a href="xindex.html#xindex-im">Index Methods and Operator Classes</a>
</dt>
<dt>OR (operator), <a href="functions.html#functions-logical">Logical Operators</a>
</dt>
<dt>Oracle</dt>
<dd><dl><dt>porting from PL/SQL to PL/pgSQL, <a href="plpgsql-porting.html">Porting from Oracle PL/SQL</a>
</dt></dl></dd>
<dt>ORDER BY, <a href="tutorial-select.html">Querying a Table</a>, <a href="queries-order.html">Sorting Rows</a>
</dt>
<dd><dl><dt>and locales, <a href="charset.html#id663399">Behavior</a>
</dt></dl></dd>
<dt>ordering operator, <a href="xindex.html#xindex-opclass-dependencies">System Dependencies on Operator Classes</a>
</dt>
<dt>outer join, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>output function, <a href="xtypes.html">User-Defined Types</a>
</dt>
<dd><dl><dt>of a data type, <a href="xtypes.html">User-Defined Types</a>
</dt></dl></dd>
<dt>overlay, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>overloading</dt>
<dd><dl>
<dt>functions, <a href="xfunc-overload.html">Function Overloading</a>
</dt>
<dt>operators, <a href="xoper.html">User-Defined Operators</a>
</dt>
</dl></dd>
<dt>owner, <a href="privileges.html">Privileges</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>P</h3>
<dl>
<dt>palloc, <a href="xfunc-c.html#id707920">Writing Code</a>
</dt>
<dt>PAM, <a href="install-procedure.html">Installation Procedure</a>, <a href="auth-methods.html#auth-pam">PAM authentication</a>
</dt>
<dt>parameter</dt>
<dd><dl><dt>syntax, <a href="sql-expressions.html#id573036">Positional Parameters</a>
</dt></dl></dd>
<dt>parenthesis, <a href="sql-expressions.html">Value Expressions</a>
</dt>
<dt>partitioning, <a href="ddl-partitioning.html">Partitioning</a>
</dt>
<dt>password, <a href="role-attributes.html">Role Attributes</a>
</dt>
<dd><dl>
<dt>authentication, <a href="auth-methods.html#auth-password">Password authentication</a>
</dt>
<dt>of the
superuser, <a href="creating-cluster.html">Creating a Database Cluster</a>
</dt>
</dl></dd>
<dt>password file, <a href="libpq-pgpass.html">The Password File</a>
</dt>
<dt>password_encryption configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>PATH, <a href="install-post.html#id637545">Environment Variables</a>
</dt>
<dt>path</dt>
<dd><dl><dt>for schemas, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt></dl></dd>
<dt>path (data type), <a href="datatype-geometric.html#id590100">Paths</a>
</dt>
<dt>pattern matching, <a href="functions-matching.html">Pattern Matching</a>
</dt>
<dt>pclose, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>performance, <a href="performance-tips.html">Performance Tips</a>
</dt>
<dt>Perl, <a href="plperl.html">PL/Perl - Perl Procedural Language</a>
</dt>
<dt>permission (see privilege)</dt>
<dt>pfree, <a href="xfunc-c.html#id707920">Writing Code</a>
</dt>
<dt>PGcancel, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt>
<dt>PGCLIENTENCODING, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGconn, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PGCONNECT_TIMEOUT, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGDATA, <a href="creating-cluster.html">Creating a Database Cluster</a>
</dt>
<dt>PGDATABASE, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGDATESTYLE, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGGEQO, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGHOST, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGHOSTADDR, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGKRBSRVNAME, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGLOCALEDIR, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGOPTIONS, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGPASSFILE, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGPASSWORD, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGPORT, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGREALM, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGREQUIRESSL, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGresult, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PGSERVICE, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGSSLMODE, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGSYSCONFDIR, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGTZ, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>PGUSER, <a href="libpq-envars.html">Environment Variables</a>
</dt>
<dt>pgxs, <a href="xfunc-c.html#xfunc-c-pgxs">Extension Building Infrastructure</a>
</dt>
<dt>pg_aggregate, <a href="catalog-pg-aggregate.html">pg_aggregate</a>
</dt>
<dt>pg_am, <a href="catalog-pg-am.html">pg_am</a>
</dt>
<dt>pg_amop, <a href="catalog-pg-amop.html">pg_amop</a>
</dt>
<dt>pg_amproc, <a href="catalog-pg-amproc.html">pg_amproc</a>
</dt>
<dt>pg_attrdef, <a href="catalog-pg-attrdef.html">pg_attrdef</a>
</dt>
<dt>pg_attribute, <a href="catalog-pg-attribute.html">pg_attribute</a>
</dt>
<dt>pg_authid, <a href="catalog-pg-authid.html">pg_authid</a>
</dt>
<dt>pg_auth_members, <a href="catalog-pg-auth-members.html">pg_auth_members</a>
</dt>
<dt>pg_autovacuum, <a href="catalog-pg-autovacuum.html">pg_autovacuum</a>
</dt>
<dt>pg_cancel_backend, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_cast, <a href="catalog-pg-cast.html">pg_cast</a>
</dt>
<dt>pg_class, <a href="catalog-pg-class.html">pg_class</a>
</dt>
<dt>pg_client_encoding, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>pg_column_size, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_config, <a href="app-pgconfig.html">pg_config</a>
</dt>
<dd><dl>
<dt>with libpq, <a href="libpq-build.html">Building libpq Programs</a>
</dt>
<dt>with user-defined C functions, <a href="xfunc-c.html#id707920">Writing Code</a>
</dt>
</dl></dd>
<dt>pg_constraint, <a href="catalog-pg-constraint.html">pg_constraint</a>
</dt>
<dt>pg_controldata, <a href="app-pgcontroldata.html">pg_controldata</a>
</dt>
<dt>pg_conversion, <a href="catalog-pg-conversion.html">pg_conversion</a>
</dt>
<dt>pg_conversion_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_ctl, <a href="postmaster-start.html">Starting the Database Server</a>, <a href="app-pg-ctl.html">pg_ctl</a>
</dt>
<dt>pg_database, <a href="manage-ag-templatedbs.html">Template Databases</a>, <a href="catalog-pg-database.html">pg_database</a>
</dt>
<dt>pg_database_size, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_depend, <a href="catalog-pg-depend.html">pg_depend</a>
</dt>
<dt>pg_description, <a href="catalog-pg-description.html">pg_description</a>
</dt>
<dt>pg_dump, <a href="app-pgdump.html">pg_dump</a>
</dt>
<dt>pg_dumpall, <a href="app-pg-dumpall.html">pg_dumpall</a>
</dt>
<dd><dl><dt>use during upgrade, <a href="install-upgrading.html">If You Are Upgrading</a>
</dt></dl></dd>
<dt>pg_function_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_constraintdef, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_expr, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_indexdef, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_ruledef, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_serial_sequence, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_triggerdef, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_userbyid, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_get_viewdef, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_group, <a href="view-pg-group.html">pg_group</a>
</dt>
<dt>pg_has_role, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_hba.conf, <a href="client-authentication.html#auth-pg-hba-conf">The pg_hba.conf file</a>
</dt>
<dt>pg_ident.conf, <a href="auth-methods.html#auth-ident-maps">Ident Maps</a>
</dt>
<dt>pg_index, <a href="catalog-pg-index.html">pg_index</a>
</dt>
<dt>pg_indexes, <a href="view-pg-indexes.html">pg_indexes</a>
</dt>
<dt>pg_inherits, <a href="catalog-pg-inherits.html">pg_inherits</a>
</dt>
<dt>pg_language, <a href="catalog-pg-language.html">pg_language</a>
</dt>
<dt>pg_largeobject, <a href="catalog-pg-largeobject.html">pg_largeobject</a>
</dt>
<dt>pg_listener, <a href="catalog-pg-listener.html">pg_listener</a>
</dt>
<dt>pg_locks, <a href="view-pg-locks.html">pg_locks</a>
</dt>
<dt>pg_ls_dir, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_namespace, <a href="catalog-pg-namespace.html">pg_namespace</a>
</dt>
<dt>pg_opclass, <a href="catalog-pg-opclass.html">pg_opclass</a>
</dt>
<dt>pg_opclass_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_operator, <a href="catalog-pg-operator.html">pg_operator</a>
</dt>
<dt>pg_operator_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_pltemplate, <a href="catalog-pg-pltemplate.html">pg_pltemplate</a>
</dt>
<dt>pg_postmaster_start_time, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_prepared_xacts, <a href="view-pg-prepared-xacts.html">pg_prepared_xacts</a>
</dt>
<dt>pg_proc, <a href="catalog-pg-proc.html">pg_proc</a>
</dt>
<dt>pg_read_file, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_relation_size, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_reload_conf, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_restore, <a href="app-pgrestore.html">pg_restore</a>
</dt>
<dt>pg_rewrite, <a href="catalog-pg-rewrite.html">pg_rewrite</a>
</dt>
<dt>pg_roles, <a href="view-pg-roles.html">pg_roles</a>
</dt>
<dt>pg_rotate_logfile, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_rules, <a href="view-pg-rules.html">pg_rules</a>
</dt>
<dt>pg_service.conf, <a href="libpq-pgservice.html">The Connection Service File</a>
</dt>
<dt>pg_settings, <a href="view-pg-settings.html">pg_settings</a>
</dt>
<dt>pg_shadow, <a href="view-pg-shadow.html">pg_shadow</a>
</dt>
<dt>pg_shdepend, <a href="catalog-pg-shdepend.html">pg_shdepend</a>
</dt>
<dt>pg_size_pretty, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_start_backup, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_statistic, <a href="planner-stats.html">Statistics Used by the Planner</a>, <a href="catalog-pg-statistic.html">pg_statistic</a>
</dt>
<dt>pg_stats, <a href="planner-stats.html">Statistics Used by the Planner</a>, <a href="view-pg-stats.html">pg_stats</a>
</dt>
<dt>pg_stat_file, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_stop_backup, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_tables, <a href="view-pg-tables.html">pg_tables</a>
</dt>
<dt>pg_tablespace, <a href="catalog-pg-tablespace.html">pg_tablespace</a>
</dt>
<dt>pg_tablespace_databases, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_tablespace_size, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_table_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_total_relation_size, <a href="functions-admin.html">System Administration Functions</a>
</dt>
<dt>pg_trigger, <a href="catalog-pg-trigger.html">pg_trigger</a>
</dt>
<dt>pg_type, <a href="catalog-pg-type.html">pg_type</a>
</dt>
<dt>pg_type_is_visible, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>pg_user, <a href="view-pg-user.html">pg_user</a>
</dt>
<dt>pg_views, <a href="view-pg-views.html">pg_views</a>
</dt>
<dt>phantom read, <a href="transaction-iso.html">Transaction Isolation</a>
</dt>
<dt>PIC, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>PID</dt>
<dd><dl>
<dt>determining PID of
server process</dt>
<dd><dl><dt>in libpq, <a href="libpq-status.html">Connection Status Functions</a>
</dt></dl></dd>
</dl></dd>
<dt>PITR, <a href="backup.html">Backup and Restore</a>
</dt>
<dt>PL/Perl, <a href="plperl.html">PL/Perl - Perl Procedural Language</a>
</dt>
<dt>PL/PerlU, <a href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a>
</dt>
<dt>PL/pgSQL, <a href="plpgsql.html">PL/pgSQL - SQL Procedural Language</a>
</dt>
<dt>PL/Python, <a href="plpython.html">PL/Python - Python Procedural Language</a>
</dt>
<dt>PL/SQL (Oracle)</dt>
<dd><dl><dt>porting to PL/pgSQL, <a href="plpgsql-porting.html">Porting from Oracle PL/SQL</a>
</dt></dl></dd>
<dt>PL/Tcl, <a href="pltcl.html">PL/Tcl - Tcl Procedural Language</a>
</dt>
<dt>point, <a href="datatype-geometric.html#id589831">Points</a>
</dt>
<dt>point-in-time recovery, <a href="backup.html">Backup and Restore</a>
</dt>
<dt>polygon, <a href="datatype-geometric.html#id590235">Polygons</a>
</dt>
<dt>polymorphic function, <a href="extend-type-system.html#extend-types-polymorphic">Polymorphic Types</a>
</dt>
<dt>polymorphic type, <a href="extend-type-system.html#extend-types-polymorphic">Polymorphic Types</a>
</dt>
<dt>popen, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>port, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>port configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>position, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>POSTGRES, <a href="history.html#history-berkeley">The Berkeley POSTGRES Project</a>
</dt>
<dt>postgres, <a href="manage-ag-createdb.html">Creating a Database</a>
</dt>
<dt>postgres (the program), <a href="app-postgres.html">postgres</a>
</dt>
<dt>postgres user, <a href="runtime.html#postgres-user">The PostgreSQL User Account</a>
</dt>
<dt>Postgres95, <a href="history.html#history-postgres95">Postgres95</a>
</dt>
<dt>postgresql.conf, <a href="runtime-config.html#config-setting">Setting Parameters</a>
</dt>
<dt>postmaster, <a href="tutorial-arch.html">Architectural Fundamentals</a>, <a href="postmaster-start.html">Starting the Database Server</a>, <a href="app-postmaster.html">postmaster</a>
</dt>
<dt>power, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>PQbackendPID, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQbinaryTuples, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dd><dl><dt>with COPY, <a href="libpq-copy.html">Functions Associated with the COPY Command</a>
</dt></dl></dd>
<dt>PQcancel, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt>
<dt>PQclear, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQcmdStatus, <a href="libpq-exec.html#libpq-exec-nonselect">Retrieving Result Information for Other Commands</a>
</dt>
<dt>PQcmdTuples, <a href="libpq-exec.html#libpq-exec-nonselect">Retrieving Result Information for Other Commands</a>
</dt>
<dt>PQconndefaults, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQconnectdb, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQconnectPoll, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQconnectStart, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQconsumeInput, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQdb, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQendcopy, <a href="libpq-copy.html#libpq-copy-deprecated">Obsolete Functions for COPY</a>
</dt>
<dt>PQerrorMessage, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQescapeBytea, <a href="libpq-exec.html#libpq-exec-escape-bytea">Escaping Binary Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQescapeByteaConn, <a href="libpq-exec.html#libpq-exec-escape-bytea">Escaping Binary Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQescapeString, <a href="libpq-exec.html#libpq-exec-escape-string">Escaping Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQescapeStringConn, <a href="libpq-exec.html#libpq-exec-escape-string">Escaping Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQexec, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQexecParams, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQexecPrepared, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQfformat, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dd><dl><dt>with COPY, <a href="libpq-copy.html">Functions Associated with the COPY Command</a>
</dt></dl></dd>
<dt>PQfinish, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQflush, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQfmod, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQfn, <a href="libpq-fastpath.html">The Fast-Path Interface</a>
</dt>
<dt>PQfname, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQfnumber, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQfreeCancel, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt>
<dt>PQfreemem, <a href="libpq-exec.html#libpq-exec-escape-bytea">Escaping Binary Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQfsize, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQftable, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQftablecol, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQftype, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQgetCancel, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt>
<dt>PQgetCopyData, <a href="libpq-copy.html#libpq-copy-receive">Functions for Receiving COPY Data</a>
</dt>
<dt>PQgetisnull, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQgetlength, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQgetline, <a href="libpq-copy.html#libpq-copy-deprecated">Obsolete Functions for COPY</a>
</dt>
<dt>PQgetlineAsync, <a href="libpq-copy.html#libpq-copy-deprecated">Obsolete Functions for COPY</a>
</dt>
<dt>PQgetResult, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQgetssl, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQgetvalue, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQhost, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQisBusy, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQisnonblocking, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQmakeEmptyPGresult, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQnfields, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dd><dl><dt>with COPY, <a href="libpq-copy.html">Functions Associated with the COPY Command</a>
</dt></dl></dd>
<dt>PQnotifies, <a href="libpq-notify.html">Asynchronous Notification</a>
</dt>
<dt>PQntuples, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQoidStatus, <a href="libpq-exec.html#libpq-exec-nonselect">Retrieving Result Information for Other Commands</a>
</dt>
<dt>PQoidValue, <a href="libpq-exec.html#libpq-exec-nonselect">Retrieving Result Information for Other Commands</a>
</dt>
<dt>PQoptions, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQparameterStatus, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQpass, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQport, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQprepare, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQprint, <a href="libpq-exec.html#libpq-exec-select-info">Retrieving Query Result Information</a>
</dt>
<dt>PQprotocolVersion, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQputCopyData, <a href="libpq-copy.html#libpq-copy-send">Functions for Sending COPY Data</a>
</dt>
<dt>PQputCopyEnd, <a href="libpq-copy.html#libpq-copy-send">Functions for Sending COPY Data</a>
</dt>
<dt>PQputline, <a href="libpq-copy.html#libpq-copy-deprecated">Obsolete Functions for COPY</a>
</dt>
<dt>PQputnbytes, <a href="libpq-copy.html#libpq-copy-deprecated">Obsolete Functions for COPY</a>
</dt>
<dt>PQrequestCancel, <a href="libpq-cancel.html">Cancelling Queries in Progress</a>
</dt>
<dt>PQreset, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQresetPoll, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQresetStart, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQresStatus, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQresultErrorField, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQresultErrorMessage, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQresultStatus, <a href="libpq-exec.html#libpq-exec-main">Main Functions</a>
</dt>
<dt>PQsendPrepare, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQsendQuery, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQsendQueryParams, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQsendQueryPrepared, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQserverVersion, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQsetdb, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQsetdbLogin, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>PQsetErrorVerbosity, <a href="libpq-control.html">Control Functions</a>
</dt>
<dt>PQsetnonblocking, <a href="libpq-async.html">Asynchronous Command Processing</a>
</dt>
<dt>PQsetNoticeProcessor, <a href="libpq-notice-processing.html">Notice Processing</a>
</dt>
<dt>PQsetNoticeReceiver, <a href="libpq-notice-processing.html">Notice Processing</a>
</dt>
<dt>PQsocket, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQstatus, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQtrace, <a href="libpq-control.html">Control Functions</a>
</dt>
<dt>PQtransactionStatus, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQtty, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>PQunescapeBytea, <a href="libpq-exec.html#libpq-exec-escape-bytea">Escaping Binary Strings for Inclusion in SQL Commands</a>
</dt>
<dt>PQuntrace, <a href="libpq-control.html">Control Functions</a>
</dt>
<dt>PQuser, <a href="libpq-status.html">Connection Status Functions</a>
</dt>
<dt>predicate locking, <a href="transaction-iso.html#mvcc-serializability">Serializable Isolation versus True Serializability</a>
</dt>
<dt>preload_libraries configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-kernel">Kernel Resource Usage</a>
</dt>
<dt>PREPARE, <a href="sql-prepare.html">PREPARE</a>
</dt>
<dt>PREPARE TRANSACTION, <a href="sql-prepare-transaction.html">PREPARE TRANSACTION</a>
</dt>
<dt>prepared statements</dt>
<dd><dl>
<dt>creating, <a href="sql-prepare.html">PREPARE</a>
</dt>
<dt>executing, <a href="sql-execute.html">EXECUTE</a>
</dt>
<dt>removing, <a href="sql-deallocate.html">DEALLOCATE</a>
</dt>
<dt>showing the query plan, <a href="sql-explain.html">EXPLAIN</a>
</dt>
</dl></dd>
<dt>preparing a query</dt>
<dd><dl>
<dt>in
PL/pgSQL, <a href="plpgsql.html#plpgsql-overview">Overview</a>
</dt>
<dt>in PL/Python, <a href="plpython-database.html">Database Access</a>
</dt>
<dt>in
PL/Tcl, <a href="pltcl-dbaccess.html">Database Access from PL/Tcl</a>
</dt>
</dl></dd>
<dt>pre_auth_delay configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>primary key, <a href="ddl-constraints.html#id575283">Primary Keys</a>
</dt>
<dt>privilege, <a href="ddl-priv.html">Privileges</a>, <a href="privileges.html">Privileges</a>
</dt>
<dd><dl>
<dt>querying, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>with rules, <a href="rules-privileges.html">Rules and Privileges</a>
</dt>
<dt>for schemas, <a href="ddl-schemas.html#ddl-schemas-priv">Schemas and Privileges</a>
</dt>
<dt>with views, <a href="rules-privileges.html">Rules and Privileges</a>
</dt>
</dl></dd>
<dt>procedural language, <a href="xplang.html">Procedural Languages</a>
</dt>
<dd><dl><dt>handler for, <a href="plhandler.html">Writing A Procedural Language Handler</a>
</dt></dl></dd>
<dt>ps</dt>
<dd><dl><dt>to monitor activity, <a href="monitoring.html#monitoring-ps">Standard Unix Tools</a>
</dt></dl></dd>
<dt>psql, <a href="tutorial-accessdb.html">Accessing a Database</a>, <a href="app-psql.html">psql</a>
</dt>
<dt>Python, <a href="plpython.html">PL/Python - Python Procedural Language</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>Q</h3>
<dl>
<dt>qualified name, <a href="ddl-schemas.html#ddl-schemas-create">Creating a Schema</a>
</dt>
<dt>query, <a href="tutorial-select.html">Querying a Table</a>, <a href="queries.html">Queries</a>
</dt>
<dt>query plan, <a href="performance-tips.html#using-explain">Using EXPLAIN</a>
</dt>
<dt>query tree, <a href="rules.html#querytree">The Query Tree</a>
</dt>
<dt>quotation marks</dt>
<dd><dl>
<dt>and identifiers, <a href="sql-syntax.html#sql-syntax-identifiers">Identifiers and Key Words</a>
</dt>
<dt>escaping, <a href="sql-syntax.html#sql-syntax-strings">String Constants</a>
</dt>
</dl></dd>
<dt>quote_ident, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dd><dl><dt>use in PL/PgSQL, <a href="plpgsql-statements.html#plpgsql-statements-executing-dyn">Executing Dynamic Commands</a>
</dt></dl></dd>
<dt>quote_literal, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dd><dl><dt>use in PL/PgSQL, <a href="plpgsql-statements.html#plpgsql-statements-executing-dyn">Executing Dynamic Commands</a>
</dt></dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>R</h3>
<dl>
<dt>R-tree (see index)</dt>
<dt>radians, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>radius, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>RAISE, <a href="plpgsql-errors-and-messages.html">Errors and Messages</a>
</dt>
<dt>random, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>random_page_cost configuration parameter, <a href="runtime-config-query.html#runtime-config-query-constants"> Planner Cost Constants
</a>
</dt>
<dt>range table, <a href="rules.html#querytree">The Query Tree</a>
</dt>
<dt>read-only transaction, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>readline, <a href="install-requirements.html">Requirements</a>
</dt>
<dt>real, <a href="datatype.html#datatype-float">Floating-Point Types</a>
</dt>
<dt>record, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>rectangle, <a href="datatype-geometric.html#id589988">Boxes</a>
</dt>
<dt>redirect_stderr configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>referential integrity, <a href="tutorial-fk.html">Foreign Keys</a>, <a href="ddl-constraints.html#ddl-constraints-fk">Foreign Keys</a>
</dt>
<dt>regclass, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regexp_replace, <a href="functions-matching.html#functions-similarto-regexp">SIMILAR TO Regular Expressions</a>
</dt>
<dt>regex_flavor configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>regoper, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regoperator, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regproc, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regprocedure, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regression test, <a href="install-procedure.html">Installation Procedure</a>
</dt>
<dt>regression tests, <a href="regress.html">Regression Tests</a>
</dt>
<dt>regtype, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>regular expression, <a href="functions-matching.html#functions-similarto-regexp">SIMILAR TO Regular Expressions</a>, <a href="functions-matching.html#functions-posix-regexp">POSIX Regular Expressions</a>
</dt>
<dd><dl><dt>(see also pattern matching)</dt></dl></dd>
<dt>regular expressions, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>reindex, <a href="routine-reindex.html">Routine Reindexing</a>
</dt>
<dt>REINDEX, <a href="sql-reindex.html">REINDEX</a>
</dt>
<dt>reindexdb, <a href="app-reindexdb.html">reindexdb</a>
</dt>
<dt>relation, <a href="tutorial-concepts.html">Concepts</a>
</dt>
<dt>relational database, <a href="tutorial-concepts.html">Concepts</a>
</dt>
<dt>RELEASE SAVEPOINT, <a href="sql-release-savepoint.html">RELEASE SAVEPOINT</a>
</dt>
<dt>repeat, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>replace, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>reporting errors</dt>
<dd><dl><dt>in PL/PgSQL, <a href="plpgsql-errors-and-messages.html">Errors and Messages</a>
</dt></dl></dd>
<dt>RESET, <a href="sql-reset.html">RESET</a>
</dt>
<dt>RESTRICT</dt>
<dd><dl>
<dt>with DROP, <a href="ddl-depend.html">Dependency Tracking</a>
</dt>
<dt>foreign key action, <a href="ddl-constraints.html#ddl-constraints-fk">Foreign Keys</a>
</dt>
</dl></dd>
<dt>REVOKE, <a href="privileges.html">Privileges</a>, <a href="sql-revoke.html">REVOKE</a>
</dt>
<dt>right join, <a href="queries-table-expressions.html#queries-join">Joined Tables</a>
</dt>
<dt>role, <a href="user-manag.html#database-roles">Database Roles</a>
</dt>
<dd><dl>
<dt>membership in, <a href="role-membership.html">Role Membership</a>
</dt>
<dt>privilege to create, <a href="role-attributes.html">Role Attributes</a>
</dt>
</dl></dd>
<dt>ROLLBACK, <a href="sql-rollback.html">ROLLBACK</a>
</dt>
<dt>rollback</dt>
<dd><dl><dt>psql, <a href="app-psql.html#app-psql-variables">Variables</a>
</dt></dl></dd>
<dt>ROLLBACK PREPARED, <a href="sql-rollback-prepared.html">ROLLBACK PREPARED</a>
</dt>
<dt>ROLLBACK TO SAVEPOINT, <a href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a>
</dt>
<dt>round, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>row, <a href="tutorial-concepts.html">Concepts</a>, <a href="ddl.html#ddl-basics">Table Basics</a>
</dt>
<dt>ROW, <a href="sql-expressions.html#sql-syntax-row-constructors">Row Constructors</a>
</dt>
<dt>row estimation</dt>
<dd><dl><dt>planner, <a href="planner-stats-details.html#row-estimation-examples">Row Estimation Examples</a>
</dt></dl></dd>
<dt>row type, <a href="rowtypes.html">Composite Types</a>
</dt>
<dd><dl><dt>constructor, <a href="sql-expressions.html#sql-syntax-row-constructors">Row Constructors</a>
</dt></dl></dd>
<dt>rpad, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>rtrim, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>rule, <a href="rules.html">The Rule System</a>
</dt>
<dd><dl>
<dt>and views, <a href="rules-views.html">Views and the Rule System</a>
</dt>
<dt>for DELETE, <a href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>
</dt>
<dt>for INSERT, <a href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>
</dt>
<dt>for SELECT, <a href="rules-views.html#rules-select">How SELECT Rules Work</a>
</dt>
<dt>compared with triggers, <a href="rules-triggers.html">Rules versus Triggers</a>
</dt>
<dt>for UPDATE, <a href="rules-update.html">Rules on INSERT, UPDATE, and DELETE</a>
</dt>
</dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>S</h3>
<dl>
<dt>SAVEPOINT, <a href="sql-savepoint.html">SAVEPOINT</a>
</dt>
<dt>savepoints</dt>
<dd><dl>
<dt>defining, <a href="sql-savepoint.html">SAVEPOINT</a>
</dt>
<dt>releasing, <a href="sql-release-savepoint.html">RELEASE SAVEPOINT</a>
</dt>
<dt>rolling back, <a href="sql-rollback-to.html">ROLLBACK TO SAVEPOINT</a>
</dt>
</dl></dd>
<dt>scalar (see expression)</dt>
<dt>schema, <a href="ddl-schemas.html">Schemas</a>, <a href="managing-databases.html#manage-ag-overview">Overview</a>
</dt>
<dd><dl>
<dt>creating, <a href="ddl-schemas.html#ddl-schemas-create">Creating a Schema</a>
</dt>
<dt>current, <a href="ddl-schemas.html#ddl-schemas-path">The Schema Search Path</a>, <a href="functions-info.html">System Information Functions</a>
</dt>
<dt>public, <a href="ddl-schemas.html#ddl-schemas-public">The Public Schema</a>
</dt>
<dt>removing, <a href="ddl-schemas.html#ddl-schemas-create">Creating a Schema</a>
</dt>
</dl></dd>
<dt>SCO OpenServer</dt>
<dd><dl><dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt></dl></dd>
<dt>search path, <a href="ddl-schemas.html#ddl-schemas-path">The Schema Search Path</a>
</dt>
<dd><dl><dt>current, <a href="functions-info.html">System Information Functions</a>
</dt></dl></dd>
<dt>search_path, <a href="ddl-schemas.html#ddl-schemas-path">The Schema Search Path</a>
</dt>
<dt>search_path configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>SELECT, <a href="tutorial-select.html">Querying a Table</a>, <a href="queries.html">Queries</a>, <a href="sql-select.html">SELECT</a>
</dt>
<dd><dl><dt>select list, <a href="queries-select-lists.html">Select Lists</a>
</dt></dl></dd>
<dt>SELECT INTO, <a href="sql-selectinto.html">SELECT INTO</a>
</dt>
<dd><dl><dt>in PL/pgSQL, <a href="plpgsql-statements.html#plpgsql-select-into">SELECT INTO</a>
</dt></dl></dd>
<dt>semaphores, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>sequence, <a href="functions-sequence.html">Sequence Manipulation Functions</a>
</dt>
<dd><dl><dt>and serial type, <a href="datatype.html#datatype-serial">Serial Types</a>
</dt></dl></dd>
<dt>sequential scan, <a href="runtime-config-query.html#runtime-config-query-enable">Planner Method Configuration</a>
</dt>
<dt>serial, <a href="datatype.html#datatype-serial">Serial Types</a>
</dt>
<dt>serial4, <a href="datatype.html#datatype-serial">Serial Types</a>
</dt>
<dt>serial8, <a href="datatype.html#datatype-serial">Serial Types</a>
</dt>
<dt>serializability, <a href="transaction-iso.html#mvcc-serializability">Serializable Isolation versus True Serializability</a>
</dt>
<dt>server log, <a href="runtime-config-logging.html">Error Reporting and Logging</a>
</dt>
<dd><dl><dt>log file maintenance, <a href="logfile-maintenance.html">Log File Maintenance</a>
</dt></dl></dd>
<dt>server_encoding configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>server_version configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>SET, <a href="functions-admin.html">System Administration Functions</a>, <a href="sql-set.html">SET</a>
</dt>
<dt>SET CONSTRAINTS, <a href="sql-set-constraints.html">SET CONSTRAINTS</a>
</dt>
<dt>set difference, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>set intersection, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>set operation, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>set returning functions</dt>
<dd><dl><dt>functions, <a href="functions-srf.html">Set Returning Functions</a>
</dt></dl></dd>
<dt>SET ROLE, <a href="sql-set-role.html">SET ROLE</a>
</dt>
<dt>SET SESSION AUTHORIZATION, <a href="sql-set-session-authorization.html">SET SESSION AUTHORIZATION</a>
</dt>
<dt>SET TRANSACTION, <a href="sql-set-transaction.html">SET TRANSACTION</a>
</dt>
<dt>set union, <a href="queries-union.html">Combining Queries</a>
</dt>
<dt>SETOF, <a href="xfunc-sql.html">Query Language (SQL) Functions</a>
</dt>
<dd><dl><dt>(see also function)</dt></dl></dd>
<dt>setseed, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>setval, <a href="functions-sequence.html">Sequence Manipulation Functions</a>
</dt>
<dt>set_bit, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
<dt>set_byte, <a href="functions-binarystring.html">Binary String Functions and Operators</a>
</dt>
<dt>shared library, <a href="install-post.html#id637172">Shared Libraries</a>, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>shared memory, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared_buffers configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
<dt>SHMMAX, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>SHOW, <a href="functions-admin.html">System Administration Functions</a>, <a href="sql-show.html">SHOW</a>
</dt>
<dt>shutdown, <a href="postmaster-shutdown.html">Shutting Down the Server</a>
</dt>
<dt>SIGHUP, <a href="runtime-config.html#config-setting">Setting Parameters</a>, <a href="client-authentication.html#auth-pg-hba-conf">The pg_hba.conf file</a>, <a href="auth-methods.html#auth-ident-maps">Ident Maps</a>
</dt>
<dt>SIGINT, <a href="postmaster-shutdown.html">Shutting Down the Server</a>
</dt>
<dt>sign, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>signal</dt>
<dd><dl><dt>backend processes, <a href="functions-admin.html">System Administration Functions</a>
</dt></dl></dd>
<dt>significant digits, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>SIGQUIT, <a href="postmaster-shutdown.html">Shutting Down the Server</a>
</dt>
<dt>SIGTERM, <a href="postmaster-shutdown.html">Shutting Down the Server</a>
</dt>
<dt>silent_mode configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-when">When To Log</a>
</dt>
<dt>SIMILAR TO, <a href="functions-matching.html#functions-similarto-regexp">SIMILAR TO Regular Expressions</a>
</dt>
<dt>sin, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>sliced bread (see TOAST)</dt>
<dt>smallint, <a href="datatype.html#datatype-int">Integer Types</a>
</dt>
<dt>Solaris</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
<dt>start script, <a href="postmaster-start.html">Starting the Database Server</a>
</dt>
</dl></dd>
<dt>SOME, <a href="functions-aggregate.html">Aggregate Functions</a>, <a href="functions-subquery.html">Subquery Expressions</a>, <a href="functions-comparisons.html">Row and Array Comparisons</a>
</dt>
<dt>sorting, <a href="queries-order.html">Sorting Rows</a>
</dt>
<dt>SPI, <a href="spi.html">Server Programming Interface</a>
</dt>
<dt>SPI_connect, <a href="spi-spi-connect.html">SPI_connect</a>
</dt>
<dt>SPI_copytuple, <a href="spi-spi-copytuple.html">SPI_copytuple</a>
</dt>
<dt>SPI_cursor_close, <a href="spi-spi-cursor-close.html">SPI_cursor_close</a>
</dt>
<dt>SPI_cursor_fetch, <a href="spi-spi-cursor-fetch.html">SPI_cursor_fetch</a>
</dt>
<dt>SPI_cursor_find, <a href="spi-spi-cursor-find.html">SPI_cursor_find</a>
</dt>
<dt>SPI_cursor_move, <a href="spi-spi-cursor-move.html">SPI_cursor_move</a>
</dt>
<dt>SPI_cursor_open, <a href="spi-spi-cursor-open.html">SPI_cursor_open</a>
</dt>
<dt>SPI_exec, <a href="spi-spi-exec.html">SPI_exec</a>
</dt>
<dt>SPI_execp, <a href="spi-spi-execp.html">SPI_execp</a>
</dt>
<dt>SPI_execute, <a href="spi-spi-execute.html">SPI_execute</a>
</dt>
<dt>SPI_execute_plan, <a href="spi-spi-execute-plan.html">SPI_execute_plan</a>
</dt>
<dt>spi_exec_query</dt>
<dd><dl><dt>in PL/Perl, <a href="plperl-database.html">Database Access from PL/Perl</a>
</dt></dl></dd>
<dt>SPI_finish, <a href="spi-spi-finish.html">SPI_finish</a>
</dt>
<dt>SPI_fname, <a href="spi-spi-fname.html">SPI_fname</a>
</dt>
<dt>SPI_fnumber, <a href="spi-spi-fnumber.html">SPI_fnumber</a>
</dt>
<dt>SPI_freeplan, <a href="spi-spi-freeplan.html">SPI_freeplan</a>
</dt>
<dt>SPI_freetuple, <a href="spi-spi-freetuple.html">SPI_freetuple</a>
</dt>
<dt>SPI_freetuptable, <a href="spi-spi-freetupletable.html">SPI_freetuptable</a>
</dt>
<dt>SPI_getargcount, <a href="spi-spi-getargcount.html">SPI_getargcount</a>
</dt>
<dt>SPI_getargtypeid, <a href="spi-spi-getargtypeid.html">SPI_getargtypeid</a>
</dt>
<dt>SPI_getbinval, <a href="spi-spi-getbinval.html">SPI_getbinval</a>
</dt>
<dt>SPI_getnspname, <a href="spi-spi-getnspname.html">SPI_getnspname</a>
</dt>
<dt>SPI_getrelname, <a href="spi-spi-getrelname.html">SPI_getrelname</a>
</dt>
<dt>SPI_gettype, <a href="spi-spi-gettype.html">SPI_gettype</a>
</dt>
<dt>SPI_gettypeid, <a href="spi-spi-gettypeid.html">SPI_gettypeid</a>
</dt>
<dt>SPI_getvalue, <a href="spi-spi-getvalue.html">SPI_getvalue</a>
</dt>
<dt>SPI_is_cursor_plan, <a href="spi-spi-is-cursor-plan.html">SPI_is_cursor_plan</a>
</dt>
<dt>spi_lastoid, <a href="pltcl-dbaccess.html">Database Access from PL/Tcl</a>
</dt>
<dt>SPI_modifytuple, <a href="spi-spi-modifytuple.html">SPI_modifytuple</a>
</dt>
<dt>SPI_palloc, <a href="spi-spi-palloc.html">SPI_palloc</a>
</dt>
<dt>SPI_pfree, <a href="spi-spi-pfree.html">SPI_pfree</a>
</dt>
<dt>SPI_pop, <a href="spi-spi-pop.html">SPI_pop</a>
</dt>
<dt>SPI_prepare, <a href="spi-spi-prepare.html">SPI_prepare</a>
</dt>
<dt>SPI_push, <a href="spi-spi-push.html">SPI_push</a>
</dt>
<dt>SPI_repalloc, <a href="spi-realloc.html">SPI_repalloc</a>
</dt>
<dt>SPI_returntuple, <a href="spi-spi-returntuple.html">SPI_returntuple</a>
</dt>
<dt>SPI_saveplan, <a href="spi-spi-saveplan.html">SPI_saveplan</a>
</dt>
<dt>split_part, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>sql_inheritance configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>sqrt, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>ssh, <a href="ssh-tunnels.html">Secure TCP/IP Connections with SSH Tunnels</a>
</dt>
<dt>SSL, <a href="ssl-tcp.html">Secure TCP/IP Connections with SSL</a>, <a href="libpq-ssl.html">SSL Support</a>
</dt>
<dd><dl><dt>with libpq, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>, <a href="libpq-status.html">Connection Status Functions</a>
</dt></dl></dd>
<dt>ssl configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>STABLE, <a href="xfunc-volatility.html">Function Volatility Categories</a>
</dt>
<dt>standard deviation, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>standard_conforming_strings configuration parameter, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
<dt>START TRANSACTION, <a href="sql-start-transaction.html">START TRANSACTION</a>
</dt>
<dt>statement_timeout configuration parameter, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dt>statistics, <a href="monitoring-stats.html">The Statistics Collector</a>
</dt>
<dd><dl><dt>of the planner, <a href="planner-stats.html">Statistics Used by the Planner</a>, <a href="maintenance.html#vacuum-for-statistics">Updating planner statistics</a>
</dt></dl></dd>
<dt>stats_block_level configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-collector">Query and Index Statistics Collector</a>
</dt>
<dt>stats_command_string configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-collector">Query and Index Statistics Collector</a>
</dt>
<dt>stats_reset_on_server_start configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-collector">Query and Index Statistics Collector</a>
</dt>
<dt>stats_row_level configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-collector">Query and Index Statistics Collector</a>
</dt>
<dt>stats_start_collector configuration parameter, <a href="runtime-config-statistics.html#runtime-config-statistics-collector">Query and Index Statistics Collector</a>
</dt>
<dt>string (see character string)</dt>
<dt>strings</dt>
<dd><dl>
<dt>backslash quotes, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>
</dt>
<dt>escape, <a href="runtime-config-compatible.html#runtime-config-compatible-version">Previous PostgreSQL Versions</a>, <a href="runtime-config-preset.html">Preset Options</a>
</dt>
</dl></dd>
<dt>strpos, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>subquery, <a href="tutorial-agg.html">Aggregate Functions</a>, <a href="sql-expressions.html#sql-syntax-scalar-subqueries">Scalar Subqueries</a>, <a href="queries-table-expressions.html#queries-subqueries">Subqueries</a>, <a href="functions-subquery.html">Subquery Expressions</a>
</dt>
<dt>subscript, <a href="sql-expressions.html#id573100">Subscripts</a>
</dt>
<dt>substr, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>substring, <a href="functions-string.html">String Functions and Operators</a>, <a href="functions-binarystring.html">Binary String Functions and Operators</a>, <a href="functions-matching.html#functions-similarto-regexp">SIMILAR TO Regular Expressions</a>
</dt>
<dt>sum, <a href="tutorial-agg.html">Aggregate Functions</a>
</dt>
<dt>superuser, <a href="tutorial-accessdb.html">Accessing a Database</a>, <a href="role-attributes.html">Role Attributes</a>
</dt>
<dt>superuser_reserved_connections configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>syntax</dt>
<dd><dl><dt>SQL, <a href="sql-syntax.html">SQL Syntax</a>
</dt></dl></dd>
<dt>syslog_facility configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>syslog_identity configuration parameter, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>system catalog</dt>
<dd><dl><dt>schema, <a href="ddl-schemas.html#ddl-schemas-catalog">The System Catalog Schema</a>
</dt></dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>T</h3>
<dl>
<dt>table, <a href="tutorial-concepts.html">Concepts</a>, <a href="ddl.html#ddl-basics">Table Basics</a>
</dt>
<dd><dl>
<dt>creating, <a href="ddl.html#ddl-basics">Table Basics</a>
</dt>
<dt>inheritance, <a href="ddl-inherit.html">Inheritance</a>
</dt>
<dt>modifying, <a href="ddl-alter.html">Modifying Tables</a>
</dt>
<dt>partitioning, <a href="ddl-partitioning.html">Partitioning</a>
</dt>
<dt>removing, <a href="ddl.html#ddl-basics">Table Basics</a>
</dt>
<dt>renaming, <a href="ddl-alter.html#id576509">Renaming a Table</a>
</dt>
</dl></dd>
<dt>table expression, <a href="queries-table-expressions.html">Table Expressions</a>
</dt>
<dt>table function, <a href="queries-table-expressions.html#queries-tablefunctions">Table Functions</a>
</dt>
<dt>tableoid, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>tablespace, <a href="manage-ag-tablespaces.html">Tablespaces</a>
</dt>
<dd><dl><dt>default, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt></dl></dd>
<dt>tan, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>target list, <a href="rules.html#querytree">The Query Tree</a>
</dt>
<dt>Tcl, <a href="pltcl.html">PL/Tcl - Tcl Procedural Language</a>
</dt>
<dt>tcp_keepalives_count configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>tcp_keepalives_idle configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>tcp_keepalives_interval configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>template0, <a href="manage-ag-templatedbs.html">Template Databases</a>
</dt>
<dt>template1, <a href="manage-ag-createdb.html">Creating a Database</a>, <a href="manage-ag-templatedbs.html">Template Databases</a>
</dt>
<dt>temp_buffers configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
<dt>test, <a href="regress.html">Regression Tests</a>
</dt>
<dt>text, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>threads</dt>
<dd><dl><dt>with libpq, <a href="libpq-threading.html">Behavior in Threaded Programs</a>
</dt></dl></dd>
<dt>tid, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>time, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587579">Times</a>
</dt>
<dd><dl>
<dt>constants, <a href="datatype-datetime.html#id588366">Special Values</a>
</dt>
<dt>current, <a href="functions-datetime.html#functions-datetime-current">Current Date/Time</a>
</dt>
<dt>output format, <a href="datatype-datetime.html#datatype-datetime-output">Date/Time Output</a>
</dt>
<dd><dl><dt>(see also formatting)</dt></dl></dd>
</dl></dd>
<dt>time span, <a href="datatype-datetime.html">Date/Time Types</a>
</dt>
<dt>time with time zone, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587579">Times</a>
</dt>
<dt>time without time zone, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587579">Times</a>
</dt>
<dt>time zone, <a href="datatype-datetime.html#datatype-timezones">Time Zones</a>, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dd><dl>
<dt>Australian, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>configuration names, <a href="datetime-keywords.html">Date/Time Key Words</a>
</dt>
<dt>conversion, <a href="functions-datetime.html#functions-datetime-zoneconvert">AT TIME ZONE</a>
</dt>
<dt>input abbreviations, <a href="datetime-keywords.html">Date/Time Key Words</a>
</dt>
</dl></dd>
<dt>timelines, <a href="backup.html">Backup and Restore</a>
</dt>
<dt>timeofday, <a href="functions-datetime.html">Date/Time Functions and Operators</a>
</dt>
<dt>timeout</dt>
<dd><dl>
<dt>client authentication, <a href="runtime-config-connection.html#runtime-config-connection-security">Security and Authentication</a>
</dt>
<dt>deadlock, <a href="runtime-config-locks.html">Lock Management</a>
</dt>
</dl></dd>
<dt>timestamp, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587895">Time Stamps</a>
</dt>
<dt>timestamp with time zone, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587895">Time Stamps</a>
</dt>
<dt>timestamp without time zone, <a href="datatype-datetime.html">Date/Time Types</a>, <a href="datatype-datetime.html#id587895">Time Stamps</a>
</dt>
<dt>timezone configuration parameter, <a href="runtime-config-client.html#runtime-config-client-format">Locale and Formatting</a>
</dt>
<dt>TOAST, <a href="storage-toast.html">TOAST</a>
</dt>
<dd><dl>
<dt>and user-defined types, <a href="xtypes.html">User-Defined Types</a>
</dt>
<dt>per-column storage settings, <a href="sql-altertable.html#id745466">Description</a>
</dt>
<dt>versus large objects, <a href="largeobjects.html#lo-history">History</a>
</dt>
</dl></dd>
<dt>token, <a href="sql-syntax.html#sql-syntax-lexical">Lexical Structure</a>
</dt>
<dt>to_ascii, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>to_char, <a href="functions-formatting.html">Data Type Formatting Functions</a>
</dt>
<dd><dl><dt>and locales, <a href="charset.html#id663399">Behavior</a>
</dt></dl></dd>
<dt>to_date, <a href="functions-formatting.html">Data Type Formatting Functions</a>
</dt>
<dt>to_hex, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>to_number, <a href="functions-formatting.html">Data Type Formatting Functions</a>
</dt>
<dt>to_timestamp, <a href="functions-formatting.html">Data Type Formatting Functions</a>
</dt>
<dt>trace_notify configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>trace_sort configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>transaction, <a href="tutorial-transactions.html">Transactions</a>
</dt>
<dt>transaction ID</dt>
<dd><dl><dt>wraparound, <a href="maintenance.html#vacuum-for-wraparound">Preventing transaction ID wraparound failures</a>
</dt></dl></dd>
<dt>transaction isolation, <a href="transaction-iso.html">Transaction Isolation</a>
</dt>
<dt>transaction isolation level, <a href="transaction-iso.html">Transaction Isolation</a>, <a href="runtime-config-client.html#runtime-config-client-statement">Statement Behavior</a>
</dt>
<dd><dl>
<dt>read committed, <a href="transaction-iso.html#xact-read-committed">Read Committed Isolation Level</a>
</dt>
<dt>serializable, <a href="transaction-iso.html#xact-serializable">Serializable Isolation Level</a>
</dt>
</dl></dd>
<dt>transaction log (see WAL)</dt>
<dt>transform_null_equals configuration parameter, <a href="runtime-config-compatible.html#runtime-config-compatible-clients">Platform and Client Compatibility</a>
</dt>
<dt>translate, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>trigger, <a href="datatype-pseudo.html">Pseudo-Types</a>, <a href="triggers.html">Triggers</a>
</dt>
<dd><dl>
<dt>arguments for trigger
functions, <a href="triggers.html#trigger-definition">Overview of Trigger Behavior</a>
</dt>
<dt>in C, <a href="trigger-interface.html">Writing Trigger Functions in C</a>
</dt>
<dt>in PL/pgSQL, <a href="plpgsql-trigger.html">Trigger Procedures</a>
</dt>
<dt>in PL/Python, <a href="plpython-trigger.html">Trigger Functions</a>
</dt>
<dt>in PL/Tcl, <a href="pltcl-trigger.html">Trigger Procedures in PL/Tcl</a>
</dt>
<dt>compared with rules, <a href="rules-triggers.html">Rules versus Triggers</a>
</dt>
</dl></dd>
<dt>trim, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dt>Tru64 UNIX</dt>
<dd><dl><dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt></dl></dd>
<dt>true, <a href="datatype-boolean.html">Boolean Type</a>
</dt>
<dt>trunc, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>TRUNCATE, <a href="sql-truncate.html">TRUNCATE</a>
</dt>
<dt>trusted</dt>
<dd><dl><dt>PL/Perl, <a href="plperl-trusted.html">Trusted and Untrusted PL/Perl</a>
</dt></dl></dd>
<dt>type (see data type)</dt>
<dd><dl><dt>polymorphic, <a href="extend-type-system.html#extend-types-polymorphic">Polymorphic Types</a>
</dt></dl></dd>
<dt>type cast, <a href="sql-syntax.html#id571577">Numeric Constants</a>, <a href="sql-expressions.html#sql-syntax-type-casts">Type Casts</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>U</h3>
<dl>
<dt>UNION, <a href="queries-union.html">Combining Queries</a>
</dt>
<dd><dl><dt>determination of result type, <a href="typeconv-union-case.html">UNION, CASE, and Related Constructs</a>
</dt></dl></dd>
<dt>unique constraint, <a href="ddl-constraints.html#id575183">Unique Constraints</a>
</dt>
<dt>Unix domain socket, <a href="libpq.html#libpq-connect">Database Connection Control Functions</a>
</dt>
<dt>UnixWare</dt>
<dd><dl>
<dt>IPC configuration, <a href="kernel-resources.html#sysvipc">Shared Memory and Semaphores</a>
</dt>
<dt>shared library, <a href="xfunc-c.html#dfunc">Compiling and Linking Dynamically-Loaded Functions</a>
</dt>
</dl></dd>
<dt>unix_socket_directory configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>unix_socket_group configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>unix_socket_permissions configuration parameter, <a href="runtime-config-connection.html#runtime-config-connection-settings">Connection Settings</a>
</dt>
<dt>UNLISTEN, <a href="sql-unlisten.html">UNLISTEN</a>
</dt>
<dt>unqualified name, <a href="ddl-schemas.html#ddl-schemas-path">The Schema Search Path</a>
</dt>
<dt>UPDATE, <a href="tutorial-update.html">Updates</a>, <a href="dml-update.html">Updating Data</a>, <a href="sql-update.html">UPDATE</a>
</dt>
<dt>updating, <a href="dml-update.html">Updating Data</a>
</dt>
<dt>upgrading, <a href="install-upgrading.html">If You Are Upgrading</a>, <a href="migration.html">Migration Between Releases</a>
</dt>
<dt>upper, <a href="functions-string.html">String Functions and Operators</a>
</dt>
<dd><dl><dt>and locales, <a href="charset.html#id663399">Behavior</a>
</dt></dl></dd>
<dt>user, <a href="user-manag.html#database-roles">Database Roles</a>
</dt>
<dd><dl><dt>current, <a href="functions-info.html">System Information Functions</a>
</dt></dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>V</h3>
<dl>
<dt>vacuum, <a href="maintenance.html#routine-vacuuming">Routine Vacuuming</a>
</dt>
<dt>VACUUM, <a href="sql-vacuum.html">VACUUM</a>
</dt>
<dt>vacuumdb, <a href="app-vacuumdb.html">vacuumdb</a>
</dt>
<dt>vacuum_cost_delay configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-vacuum-cost"> Cost-Based Vacuum Delay
</a>
</dt>
<dt>vacuum_cost_limit configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-vacuum-cost"> Cost-Based Vacuum Delay
</a>
</dt>
<dt>vacuum_cost_page_dirty configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-vacuum-cost"> Cost-Based Vacuum Delay
</a>
</dt>
<dt>vacuum_cost_page_hit configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-vacuum-cost"> Cost-Based Vacuum Delay
</a>
</dt>
<dt>vacuum_cost_page_miss configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-vacuum-cost"> Cost-Based Vacuum Delay
</a>
</dt>
<dt>value expression, <a href="sql-expressions.html">Value Expressions</a>
</dt>
<dt>varchar, <a href="datatype-character.html">Character Types</a>
</dt>
<dt>variance, <a href="functions-aggregate.html">Aggregate Functions</a>
</dt>
<dt>version, <a href="tutorial-accessdb.html">Accessing a Database</a>, <a href="functions-info.html">System Information Functions</a>
</dt>
<dd><dl><dt>compatibility, <a href="migration.html">Migration Between Releases</a>
</dt></dl></dd>
<dt>view, <a href="tutorial-views.html">Views</a>
</dt>
<dd><dl>
<dt>implementation through rules, <a href="rules-views.html">Views and the Rule System</a>
</dt>
<dt>updating, <a href="rules-update.html#rules-update-views">Cooperation with Views</a>
</dt>
</dl></dd>
<dt>void, <a href="datatype-pseudo.html">Pseudo-Types</a>
</dt>
<dt>VOLATILE, <a href="xfunc-volatility.html">Function Volatility Categories</a>
</dt>
<dt>volatility</dt>
<dd><dl><dt>functions, <a href="xfunc-volatility.html">Function Volatility Categories</a>
</dt></dl></dd>
</dl>
</div>
<div class="indexdiv">
<h3>W</h3>
<dl>
<dt>WAL, <a href="wal.html">Reliability and the Write-Ahead Log</a>
</dt>
<dt>wal_buffers configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>wal_debug configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>wal_sync_method configuration parameter, <a href="runtime-config-wal.html#runtime-config-wal-settings">Settings</a>
</dt>
<dt>WHERE, <a href="queries-table-expressions.html#queries-where">The WHERE Clause</a>
</dt>
<dt>where to log, <a href="runtime-config-logging.html#runtime-config-logging-where">Where To Log</a>
</dt>
<dt>WHILE</dt>
<dd><dl><dt>in PL/pgSQL, <a href="plpgsql-control-structures.html#id725283">WHILE</a>
</dt></dl></dd>
<dt>width, <a href="functions-geometry.html">Geometric Functions and Operators</a>
</dt>
<dt>width_bucket, <a href="functions-math.html">Mathematical Functions and Operators</a>
</dt>
<dt>work_mem configuration parameter, <a href="runtime-config-resource.html#runtime-config-resource-memory">Memory</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>X</h3>
<dl>
<dt>xid, <a href="datatype-oid.html">Object Identifier Types</a>
</dt>
<dt>xmax, <a href="ddl-system-columns.html">System Columns</a>
</dt>
<dt>xmin, <a href="ddl-system-columns.html">System Columns</a>
</dt>
</dl>
</div>
<div class="indexdiv">
<h3>Y</h3>
<dl><dt>yacc, <a href="install-requirements.html">Requirements</a>
</dt></dl>
</div>
<div class="indexdiv">
<h3>Z</h3>
<dl>
<dt>zero_damaged_pages configuration parameter, <a href="runtime-config-developer.html">Developer Options</a>
</dt>
<dt>zlib, <a href="install-requirements.html">Requirements</a>, <a href="install-procedure.html">Installation Procedure</a>
</dt>
</dl>
</div>
</div>
</div></body>
</html>
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