Index
Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
- $,
    Positional Parameters
  
- $libdir,
    Dynamic Loading
  
- $libdir/plugins,
    Other Defaults,
    Description
  
- *,
    Select-List Items
  
- .pgpass,
    The Password File
  
- .pg_service.conf,
    The Connection Service File
  
- ::,
    Type Casts
  
- _PG_fini,
    Dynamic Loading
  
- _PG_init,
    Dynamic Loading
  
- abbrev,
    Network Address Functions and Operators
  
- ABORT,
    ABORT
  
- abs,
    Mathematical Functions and Operators
  
- acos,
    Mathematical Functions and Operators
  
- administration tools
  
- externally maintained,
    Administration Tools
  
 
 
- adminpack,
    adminpack
  
- advisory lock,
    Advisory Locks
  
- age,
    Date/Time Functions and Operators
  
- aggregate function,
    Aggregate Functions
  
- built-in,
    Aggregate Functions
  
 
- invocation,
    Aggregate Expressions
  
 
- user-defined,
    User-defined Aggregates
  
 
 
- AIX
  
- installation on,
    AIX
  
 
- IPC configuration,
    Shared Memory and Semaphores
  
 
 
- alias
  
- for table name in query,
    Joins Between Tables
  
 
- in the FROM clause,
    Table and Column Aliases
  
 
- in the select list,
    Column Labels
  
 
 
- ALL,
    Subquery Expressions,
    Row and Array Comparisons
  
- allow_system_table_mods configuration parameter,
    Developer Options
  
- ALTER AGGREGATE,
    ALTER AGGREGATE
  
- ALTER COLLATION,
    ALTER COLLATION
  
- ALTER CONVERSION,
    ALTER CONVERSION
  
- ALTER DATABASE,
    ALTER DATABASE
  
- ALTER DEFAULT PRIVILEGES,
    ALTER DEFAULT PRIVILEGES
  
- ALTER DOMAIN,
    ALTER DOMAIN
  
- ALTER EXTENSION,
    ALTER EXTENSION
  
- ALTER FOREIGN DATA WRAPPER,
    ALTER FOREIGN DATA WRAPPER
  
- ALTER FOREIGN TABLE,
    ALTER FOREIGN TABLE
  
- ALTER FUNCTION,
    ALTER FUNCTION
  
- ALTER GROUP,
    ALTER GROUP
  
- ALTER INDEX,
    ALTER INDEX
  
- ALTER LANGUAGE,
    ALTER LANGUAGE
  
- ALTER LARGE OBJECT,
    ALTER LARGE OBJECT
  
- ALTER OPERATOR,
    ALTER OPERATOR
  
- ALTER OPERATOR CLASS,
    ALTER OPERATOR CLASS
  
- ALTER OPERATOR FAMILY,
    ALTER OPERATOR FAMILY
  
- ALTER ROLE,
    Role Attributes,
    ALTER ROLE
  
- ALTER SCHEMA,
    ALTER SCHEMA
  
- ALTER SEQUENCE,
    ALTER SEQUENCE
  
- ALTER SERVER,
    ALTER SERVER
  
- ALTER TABLE,
    ALTER TABLE
  
- ALTER TABLESPACE,
    ALTER TABLESPACE
  
- ALTER TEXT SEARCH CONFIGURATION,
    ALTER TEXT SEARCH CONFIGURATION
  
- ALTER TEXT SEARCH DICTIONARY,
    ALTER TEXT SEARCH DICTIONARY
  
- ALTER TEXT SEARCH PARSER,
    ALTER TEXT SEARCH PARSER
  
- ALTER TEXT SEARCH TEMPLATE,
    ALTER TEXT SEARCH TEMPLATE
  
- ALTER TRIGGER,
    ALTER TRIGGER
  
- ALTER TYPE,
    ALTER TYPE
  
- ALTER USER,
    ALTER USER
  
- ALTER USER MAPPING,
    ALTER USER MAPPING
  
- ALTER VIEW,
    ALTER VIEW
  
- ANALYZE,
    Updating Planner Statistics,
    ANALYZE
  
- AND (operator),
    Logical Operators
  
- anonymous code blocks,
    DO
  
- any,
    Pseudo-Types,
    Aggregate Functions,
    Subquery Expressions,
    Row and Array Comparisons
  
- anyarray,
    Pseudo-Types
  
- anyelement,
    Pseudo-Types
  
- anyenum,
    Pseudo-Types
  
- anynonarray,
    Pseudo-Types
  
- applicable role,
    applicable_roles
  
- application_name configuration parameter,
    What To Log
  
- arbitrary precision numbers,
    Arbitrary Precision Numbers
  
- archive_cleanup_command recovery parameter,
    Archive Recovery Settings
  
- archive_command configuration parameter,
    Archiving
  
- archive_mode configuration parameter,
    Archiving
  
- archive_timeout configuration parameter,
    Archiving
  
- area,
    Geometric Functions and Operators
  
- ARRAY,
    Array Constructors,
    Arrays
  
- accessing,
    Accessing Arrays
  
 
- constant,
    Array Value Input
  
 
- constructor,
    Array Constructors
  
 
- declaration,
    Declaration of Array Types
  
 
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
- I/O,
    Array Input and Output Syntax
  
 
- modifying,
    Modifying Arrays
  
 
- of user-defined type,
    User-defined Types
  
 
- searching,
    Searching in Arrays
  
 
 
- array_agg,
    Aggregate Functions
  
- array_append,
    Array Functions and Operators
  
- array_cat,
    Array Functions and Operators
  
- array_dims,
    Array Functions and Operators
  
- array_fill,
    Array Functions and Operators
  
- array_length,
    Array Functions and Operators
  
- array_lower,
    Array Functions and Operators
  
- array_ndims,
    Array Functions and Operators
  
- array_nulls configuration parameter,
    Previous PostgreSQL Versions
  
- array_prepend,
    Array Functions and Operators
  
- array_to_string,
    Array Functions and Operators
  
- array_upper,
    Array Functions and Operators
  
- ascii,
    String Functions and Operators
  
- asin,
    Mathematical Functions and Operators
  
- asynchronous commit,
    Asynchronous Commit
  
- AT TIME ZONE,
    AT TIME ZONE
  
- atan,
    Mathematical Functions and Operators
  
- atan2,
    Mathematical Functions and Operators
  
- authentication_timeout configuration parameter,
    Security and Authentication
  
- auth_delay,
    auth_delay
  
- auth_delay.milliseconds configuration parameter,
    Configuration Parameters
  
- auto-increment
  
- see serial
 
- autocommit
  
- bulk-loading data,
    Disable Autocommit
  
 
- psql,
    Variables
  
 
 
- autovacuum
  
- configuration parameters,
    Automatic Vacuuming
  
 
- general information,
    The Autovacuum Daemon
  
 
 
- autovacuum configuration parameter,
    Automatic Vacuuming
  
- autovacuum_analyze_scale_factor configuration parameter,
    Automatic Vacuuming
  
- autovacuum_analyze_threshold configuration parameter,
    Automatic Vacuuming
  
- autovacuum_freeze_max_age configuration parameter,
    Automatic Vacuuming
  
- autovacuum_max_workers configuration parameter,
    Automatic Vacuuming
  
- autovacuum_naptime configuration parameter,
    Automatic Vacuuming
  
- autovacuum_vacuum_cost_delay configuration parameter,
    Automatic Vacuuming
  
- autovacuum_vacuum_cost_limit configuration parameter,
    Automatic Vacuuming
  
- autovacuum_vacuum_scale_factor configuration parameter,
    Automatic Vacuuming
  
- autovacuum_vacuum_threshold configuration parameter,
    Automatic Vacuuming
  
- auto_explain,
    auto_explain
  
- auto_explain.log_analyze configuration parameter,
    Configuration Parameters
  
- auto_explain.log_buffers configuration parameter,
    Configuration Parameters
  
- auto_explain.log_format configuration parameter,
    Configuration Parameters
  
- auto_explain.log_min_duration configuration parameter,
    Configuration Parameters
  
- auto_explain.log_nested_statements configuration parameter,
    Configuration Parameters
  
- auto_explain.log_verbose configuration parameter,
    Configuration Parameters
  
- average,
    Aggregate Functions
  
- avg,
    Aggregate Functions
  
- B-tree
  
- see index
 
- backslash escapes,
    String Constants with C-style Escapes
  
- backslash_quote configuration parameter,
    Previous PostgreSQL Versions
  
- backup,
    System Administration Functions,
    Backup and Restore
  
- base type,
    The PostgreSQL Type System
  
- BEGIN,
    BEGIN
  
- BETWEEN,
    Comparison Operators
  
- BETWEEN SYMMETRIC,
    Comparison Operators
  
- bgwriter_delay configuration parameter,
    Background Writer
  
- bgwriter_lru_maxpages configuration parameter,
    Background Writer
  
- bgwriter_lru_multiplier configuration parameter,
    Background Writer
  
- bigint,
    Numeric Constants,
    Integer Types
  
- bigserial,
    Serial Types
  
- binary data,
    Binary Data Types
  
- functions,
    Binary String Functions and Operators
  
 
 
- binary string
  
- concatenation,
    Binary String Functions and Operators
  
 
- length,
    Binary String Functions and Operators
  
 
 
- bison,
    Requirements
  
- bit string
  
- constant,
    Bit-string Constants
  
 
- data type,
    Bit String Types
  
 
 
- bit strings
  
- functions,
    Bit String Functions and Operators
  
 
 
- bitmap scan,
    Combining Multiple Indexes,
    Planner Method Configuration
  
- bit_and,
    Aggregate Functions
  
- bit_length,
    String Functions and Operators
  
- bit_or,
    Aggregate Functions
  
- BLOB
  
- see large object
 
- block_size configuration parameter,
    Preset Options
  
- bonjour configuration parameter,
    Connection Settings
  
- bonjour_name configuration parameter,
    Connection Settings
  
- Boolean
  
- data type,
    Boolean Type
  
 
- operators
  
- see operators, logical
 
 
- bool_and,
    Aggregate Functions
  
- bool_or,
    Aggregate Functions
  
- booting
  
- starting the server during,
    Starting the Database Server
  
 
 
- box,
    Geometric Functions and Operators
  
- box (data type),
    Boxes
  
- broadcast,
    Network Address Functions and Operators
  
- BSD/OS
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- btree_gin,
    btree_gin
  
- btree_gist,
    btree_gist
  
- btrim,
    String Functions and Operators,
    Binary String Functions and Operators
  
- bytea,
    Binary Data Types
  
- bytea_output configuration parameter,
    Statement Behavior
  
- C,
    libpq - C Library,
    ECPG - Embedded SQL in C
  
- C++,
    Using C++ for Extensibility
  
- canceling
  
- SQL command,
    Canceling Queries in Progress
  
 
 
- CASCADE
  
- with DROP,
    Dependency Tracking
  
 
- foreign key action,
    Foreign Keys
  
 
 
- CASE,
    Conditional Expressions
  
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
 
- case sensitivity
  
- of SQL commands,
    Identifiers and Key Words
  
 
 
- cast
  
- I/O conversion,
    CREATE CAST
  
 
 
- cbrt,
    Mathematical Functions and Operators
  
- ceil,
    Mathematical Functions and Operators
  
- ceiling,
    Mathematical Functions and Operators
  
- center,
    Geometric Functions and Operators
  
- Certificate,
    Certificate Authentication
  
- char,
    Character Types
  
- character,
    Character Types
  
- character set,
    Locale and Formatting,
    Preset Options,
    Character Set Support
  
- character string
  
- concatenation,
    String Functions and Operators
  
 
- constant,
    String Constants
  
 
- data types,
    Character Types
  
 
- length,
    String Functions and Operators
  
 
 
- character varying,
    Character Types
  
- char_length,
    String Functions and Operators
  
- check constraint,
    Check Constraints
  
- checkpoint,
    WAL Configuration,
    CHECKPOINT
  
- checkpoint_completion_target configuration parameter,
    Checkpoints
  
- checkpoint_segments configuration parameter,
    Checkpoints
  
- checkpoint_timeout configuration parameter,
    Checkpoints
  
- checkpoint_warning configuration parameter,
    Checkpoints
  
- check_function_bodies configuration parameter,
    Statement Behavior
  
- chkpass,
    chkpass
  
- chr,
    String Functions and Operators
  
- cid,
    Object Identifier Types
  
- cidr,
    cidr
  
- circle,
    Circles,
    Geometric Functions and Operators
  
- citext,
    citext
  
- client authentication,
    Client Authentication
  
- timeout during,
    Security and Authentication
  
 
 
- client_encoding configuration parameter,
    Locale and Formatting
  
- client_min_messages configuration parameter,
    When To Log
  
- clock_timestamp,
    Date/Time Functions and Operators
  
- CLOSE,
    CLOSE
  
- CLUSTER,
    CLUSTER
  
- of databases
  
- see database cluster
 
 
- clusterdb,
    clusterdb
  
- clustering,
    High Availability, Load Balancing, and Replication
  
- cmax,
    System Columns
  
- cmin,
    System Columns
  
- COALESCE,
    COALESCE
  
- COLLATE,
    Collation Expressions
  
- collation,
    Collation Support
  
- in PL/pgSQL,
    Collation of PL/pgSQL Variables
  
 
- in SQL functions,
    SQL Functions with Collations
  
 
 
- column,
    Concepts,
    Table Basics
  
- adding,
    Adding a Column
  
 
- removing,
    Removing a Column
  
 
- renaming,
    Renaming a Column
  
 
- system column,
    System Columns
  
 
 
- column data type
  
- changing,
    Changing a Column's Data Type
  
 
 
- column reference,
    Column References
  
- col_description,
    System Information Functions
  
- COMMENT,
    COMMENT
  
- about database objects,
    System Information Functions
  
 
- in SQL,
    Comments
  
 
 
- COMMIT,
    COMMIT
  
- COMMIT PREPARED,
    COMMIT PREPARED
  
- commit_delay configuration parameter,
    Settings
  
- commit_siblings configuration parameter,
    Settings
  
- common table expression
  
- see WITH
 
- comparison
  
- operators,
    Comparison Operators
  
 
- row-wise,
    Row and Array Comparisons
  
 
- subquery result row,
    Subquery Expressions
  
 
 
- compiling
  
- libpq applications,
    Building libpq Programs
  
 
 
- composite type,
    Composite Types,
    The PostgreSQL Type System
  
- constant,
    Composite Value Input
  
 
- constructor,
    Row Constructors
  
 
 
- computed field,
    SQL Functions on Composite Types
  
- concat,
    String Functions and Operators
  
- concat_ws,
    String Functions and Operators
  
- concurrency,
    Concurrency Control
  
- conditional expression,
    Conditional Expressions
  
- configuration
  
- of recovery
  
- of a standby server,
    Recovery Configuration
  
 
- of the server,
    Server Configuration
  
 
- of the server
  
- functions,
    System Administration Functions
  
 
 
- configure,
    Installation Procedure
  
- config_file configuration parameter,
    File Locations
  
- conjunction,
    Logical Operators
  
- connection service file,
    The Connection Service File
  
- constant,
    Constants
  
- constraint,
    Constraints
  
- adding,
    Adding a Constraint
  
 
- check,
    Check Constraints
  
 
- exclusion,
    Exclusion Constraints
  
 
- foreign key,
    Foreign Keys
  
 
- name,
    Check Constraints
  
 
- NOT NULL,
    Not-Null Constraints
  
 
- primary key,
    Primary Keys
  
 
- removing,
    Removing a Constraint
  
 
- unique,
    Unique Constraints
  
 
 
- constraint exclusion,
    Partitioning and Constraint Exclusion,
    Other Planner Options
  
- constraint_exclusion configuration parameter,
    Other Planner Options
  
- CONTINUE
  
- in PL/pgSQL,
    CONTINUE
  
 
 
- continuous archiving,
    Backup and Restore
  
- control file,
    Extension Files
  
- convert,
    String Functions and Operators
  
- convert_from,
    String Functions and Operators
  
- convert_to,
    String Functions and Operators
  
- COPY,
    Populating a Table With Rows,
    COPY
  
- with libpq,
    Functions Associated with the COPY Command
  
 
 
- corr,
    Aggregate Functions
  
- correlation,
    Aggregate Functions
  
- cos,
    Mathematical Functions and Operators
  
- cot,
    Mathematical Functions and Operators
  
- count,
    Aggregate Functions
  
- covariance
  
- population,
    Aggregate Functions
  
 
- sample,
    Aggregate Functions
  
 
 
- covar_pop,
    Aggregate Functions
  
- covar_samp,
    Aggregate Functions
  
- cpu_index_tuple_cost configuration parameter,
    Planner Cost Constants
  
- cpu_operator_cost configuration parameter,
    Planner Cost Constants
  
- cpu_tuple_cost configuration parameter,
    Planner Cost Constants
  
- CREATE AGGREGATE,
    CREATE AGGREGATE
  
- CREATE CAST,
    CREATE CAST
  
- CREATE COLLATION,
    CREATE COLLATION
  
- CREATE CONVERSION,
    CREATE CONVERSION
  
- CREATE DATABASE,
    Creating a Database,
    CREATE DATABASE
  
- CREATE DOMAIN,
    CREATE DOMAIN
  
- CREATE EXTENSION,
    CREATE EXTENSION
  
- CREATE FOREIGN DATA WRAPPER,
    CREATE FOREIGN DATA WRAPPER
  
- CREATE FOREIGN TABLE,
    CREATE FOREIGN TABLE
  
- CREATE FUNCTION,
    CREATE FUNCTION
  
- CREATE GROUP,
    CREATE GROUP
  
- CREATE INDEX,
    CREATE INDEX
  
- CREATE LANGUAGE,
    CREATE LANGUAGE
  
- CREATE OPERATOR,
    CREATE OPERATOR
  
- CREATE OPERATOR CLASS,
    CREATE OPERATOR CLASS
  
- CREATE OPERATOR FAMILY,
    CREATE OPERATOR FAMILY
  
- CREATE ROLE,
    Database Roles,
    CREATE ROLE
  
- CREATE RULE,
    CREATE RULE
  
- CREATE SCHEMA,
    CREATE SCHEMA
  
- CREATE SEQUENCE,
    CREATE SEQUENCE
  
- CREATE SERVER,
    CREATE SERVER
  
- CREATE TABLE,
    Creating a New Table,
    CREATE TABLE
  
- CREATE TABLE AS,
    CREATE TABLE AS
  
- CREATE TABLESPACE,
    Tablespaces,
    CREATE TABLESPACE
  
- CREATE TEXT SEARCH CONFIGURATION,
    CREATE TEXT SEARCH CONFIGURATION
  
- CREATE TEXT SEARCH DICTIONARY,
    CREATE TEXT SEARCH DICTIONARY
  
- CREATE TEXT SEARCH PARSER,
    CREATE TEXT SEARCH PARSER
  
- CREATE TEXT SEARCH TEMPLATE,
    CREATE TEXT SEARCH TEMPLATE
  
- CREATE TRIGGER,
    CREATE TRIGGER
  
- CREATE TYPE,
    CREATE TYPE
  
- CREATE USER,
    CREATE USER
  
- CREATE USER MAPPING,
    CREATE USER MAPPING
  
- CREATE VIEW,
    CREATE VIEW
  
- createdb,
    Creating a Database,
    Creating a Database,
    createdb
  
- createlang,
    createlang
  
- createuser,
    Database Roles,
    createuser
  
- cross compilation,
    Installation Procedure
  
- cross join,
    Joined Tables
  
- cstring,
    Pseudo-Types
  
- ctid,
    System Columns,
    View Rules in Non-SELECT Statements
  
- cube,
    cube
  
- cume_dist,
    Window Functions
  
- current_catalog,
    System Information Functions
  
- current_database,
    System Information Functions
  
- current_date,
    Date/Time Functions and Operators
  
- current_query,
    System Information Functions
  
- current_schema,
    System Information Functions
  
- current_schemas,
    System Information Functions
  
- current_setting,
    System Administration Functions
  
- current_time,
    Date/Time Functions and Operators
  
- current_timestamp,
    Date/Time Functions and Operators
  
- current_user,
    System Information Functions
  
- currval,
    Sequence Manipulation Functions
  
- cursor
  
- CLOSE,
    CLOSE
  
 
- DECLARE,
    DECLARE
  
 
- FETCH,
    FETCH
  
 
- in PL/pgSQL,
    Cursors
  
 
- MOVE,
    MOVE
  
 
- showing the query plan,
    EXPLAIN
  
 
 
- cursor_tuple_fraction configuration parameter,
    Other Planner Options
  
- custom_variable_classes configuration parameter,
    Customized Options
  
- Cygwin
  
- installation on,
    Cygwin
  
 
 
- data area
  
- see database cluster
 
- data partitioning,
    High Availability, Load Balancing, and Replication
  
- data type,
    Data Types
  
- base,
    The PostgreSQL Type System
  
 
- category,
    Overview
  
 
- composite,
    The PostgreSQL Type System
  
 
- constant,
    Constants of Other Types
  
 
- conversion,
    Type Conversion
  
 
- enumerated (enum),
    Enumerated Types
  
 
- internal organization,
    Base Types in C-Language Functions
  
 
- numeric,
    Numeric Types
  
 
- type cast,
    Type Casts
  
 
- user-defined,
    User-defined Types
  
 
 
- database,
    Managing Databases
  
- creating,
    Creating a Database
  
 
- privilege to create,
    Role Attributes
  
 
 
- database activity
  
- monitoring,
    Monitoring Database Activity
  
 
 
- database cluster,
    Concepts,
    Creating a Database Cluster
  
- data_directory configuration parameter,
    File Locations
  
- date,
    Date/Time Types,
    Dates
  
- constants,
    Special Values
  
 
- current,
    Current Date/Time
  
 
- output format,
    Date/Time Output
  
- see also formatting
 
 
- DateStyle configuration parameter,
    Locale and Formatting
  
- date_part,
    Date/Time Functions and Operators,
    EXTRACT, date_part
  
- date_trunc,
    Date/Time Functions and Operators,
    date_trunc
  
- dblink,
    dblink
  
- db_user_namespace configuration parameter,
    Security and Authentication
  
- deadlock,
    Deadlocks
  
- timeout during,
    Lock Management
  
 
 
- deadlock_timeout configuration parameter,
    Lock Management
  
- DEALLOCATE,
    DEALLOCATE
  
- debug_assertions configuration parameter,
    Developer Options
  
- debug_deadlocks configuration parameter,
    Developer Options
  
- debug_pretty_print configuration parameter,
    What To Log
  
- debug_print_parse configuration parameter,
    What To Log
  
- debug_print_plan configuration parameter,
    What To Log
  
- debug_print_rewritten configuration parameter,
    What To Log
  
- decimal
  
- see numeric
 
- DECLARE,
    DECLARE
  
- decode,
    String Functions and Operators,
    Binary String Functions and Operators
  
- decode_bytea
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- default value,
    Default Values
  
- changing,
    Changing a Column's Default Value
  
 
 
- default_statistics_target configuration parameter,
    Other Planner Options
  
- default_tablespace configuration parameter,
    Statement Behavior
  
- default_text_search_config configuration parameter,
    Locale and Formatting
  
- default_transaction_deferrable configuration parameter,
    Statement Behavior
  
- default_transaction_isolation configuration parameter,
    Statement Behavior
  
- default_transaction_read_only configuration parameter,
    Statement Behavior
  
- default_with_oids configuration parameter,
    Previous PostgreSQL Versions
  
- deferrable transaction
  
- setting,
    SET TRANSACTION
  
 
- setting default,
    Statement Behavior
  
 
 
- degrees,
    Mathematical Functions and Operators
  
- delay,
    Delaying Execution
  
- DELETE,
    Deletions,
    Deleting Data,
    DELETE
  
- deleting,
    Deleting Data
  
- dense_rank,
    Window Functions
  
- diameter,
    Geometric Functions and Operators
  
- dict_int,
    dict_int
  
- dict_xsyn,
    dict_xsyn
  
- Digital UNIX
  
- see Tru64 UNIX
 
- dirty read,
    Transaction Isolation
  
- DISCARD,
    DISCARD
  
- disjunction,
    Logical Operators
  
- disk drive,
    WAL Internals
  
- disk space,
    Recovering Disk Space
  
- disk usage,
    Determining Disk Usage
  
- DISTINCT,
    Querying a Table,
    DISTINCT
  
- div,
    Mathematical Functions and Operators
  
- DO,
    DO
  
- document
  
- text search,
    What Is a Document?
  
 
 
- dollar quoting,
    Dollar-quoted String Constants
  
- double precision,
    Floating-Point Types
  
- DROP AGGREGATE,
    DROP AGGREGATE
  
- DROP CAST,
    DROP CAST
  
- DROP COLLATION,
    DROP COLLATION
  
- DROP CONVERSION,
    DROP CONVERSION
  
- DROP DATABASE,
    Destroying a Database,
    DROP DATABASE
  
- DROP DOMAIN,
    DROP DOMAIN
  
- DROP EXTENSION,
    DROP EXTENSION
  
- DROP FOREIGN DATA WRAPPER,
    DROP FOREIGN DATA WRAPPER
  
- DROP FOREIGN TABLE,
    DROP FOREIGN TABLE
  
- DROP FUNCTION,
    DROP FUNCTION
  
- DROP GROUP,
    DROP GROUP
  
- DROP INDEX,
    DROP INDEX
  
- DROP LANGUAGE,
    DROP LANGUAGE
  
- DROP OPERATOR,
    DROP OPERATOR
  
- DROP OPERATOR CLASS,
    DROP OPERATOR CLASS
  
- DROP OPERATOR FAMILY,
    DROP OPERATOR FAMILY
  
- DROP OWNED,
    DROP OWNED
  
- DROP ROLE,
    Database Roles,
    DROP ROLE
  
- DROP RULE,
    DROP RULE
  
- DROP SCHEMA,
    DROP SCHEMA
  
- DROP SEQUENCE,
    DROP SEQUENCE
  
- DROP SERVER,
    DROP SERVER
  
- DROP TABLE,
    Creating a New Table,
    DROP TABLE
  
- DROP TABLESPACE,
    DROP TABLESPACE
  
- DROP TEXT SEARCH CONFIGURATION,
    DROP TEXT SEARCH CONFIGURATION
  
- DROP TEXT SEARCH DICTIONARY,
    DROP TEXT SEARCH DICTIONARY
  
- DROP TEXT SEARCH PARSER,
    DROP TEXT SEARCH PARSER
  
- DROP TEXT SEARCH TEMPLATE,
    DROP TEXT SEARCH TEMPLATE
  
- DROP TRIGGER,
    DROP TRIGGER
  
- DROP TYPE,
    DROP TYPE
  
- DROP USER,
    DROP USER
  
- DROP USER MAPPING,
    DROP USER MAPPING
  
- DROP VIEW,
    DROP VIEW
  
- dropdb,
    Destroying a Database,
    dropdb
  
- droplang,
    droplang
  
- dropuser,
    Database Roles,
    dropuser
  
- DTD,
    Creating XML Values
  
- DTrace,
    Installation Procedure,
    Dynamic Tracing
  
- dummy_seclabel,
    dummy_seclabel
  
- duplicate,
    Querying a Table
  
- duplicates,
    DISTINCT
  
- dynamic loading,
    Other Defaults,
    Dynamic Loading
  
- dynamic_library_path,
    Dynamic Loading
  
- dynamic_library_path configuration parameter,
    Other Defaults
  
- earthdistance,
    earthdistance
  
- ECPG,
    ECPG - Embedded SQL in C,
    ecpg
  
- effective_cache_size configuration parameter,
    Planner Cost Constants
  
- effective_io_concurrency configuration parameter,
    Asynchronous Behavior
  
- elog,
    Reporting Errors Within the Server
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
- in PL/Python,
    Utility Functions
  
 
- in PL/Tcl,
    Database Access from PL/Tcl
  
 
 
- embedded SQL
  
- in C,
    ECPG - Embedded SQL in C
  
 
 
- enabled role,
    enabled_roles
  
- enable_bitmapscan configuration parameter,
    Planner Method Configuration
  
- enable_hashagg configuration parameter,
    Planner Method Configuration
  
- enable_hashjoin configuration parameter,
    Planner Method Configuration
  
- enable_indexscan configuration parameter,
    Planner Method Configuration
  
- enable_material configuration parameter,
    Planner Method Configuration
  
- enable_mergejoin configuration parameter,
    Planner Method Configuration
  
- enable_nestloop configuration parameter,
    Planner Method Configuration
  
- enable_seqscan configuration parameter,
    Planner Method Configuration
  
- enable_sort configuration parameter,
    Planner Method Configuration
  
- enable_tidscan configuration parameter,
    Planner Method Configuration
  
- encode,
    String Functions and Operators,
    Binary String Functions and Operators
  
- encode_array_constructor
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- encode_array_literal
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- encode_bytea
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- encode_typed_literal
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- encryption,
    Encryption Options
  
- for specific columns,
    pgcrypto
  
 
 
- END,
    END
  
- enumerated types,
    Enumerated Types
  
- enum_first,
    Enum Support Functions
  
- enum_last,
    Enum Support Functions
  
- enum_range,
    Enum Support Functions
  
- environment variable,
    Environment Variables
  
- ereport,
    Reporting Errors Within the Server
  
- error codes
  
- libpq,
    Main Functions
  
 
- list of,
    PostgreSQL Error Codes
  
 
 
- error message,
    Connection Status Functions
  
- escape string syntax,
    String Constants with C-style Escapes
  
- escape_string_warning configuration parameter,
    Previous PostgreSQL Versions
  
- escaping strings
  
- in libpq,
    Escaping Strings for Inclusion in SQL Commands
  
 
 
- every,
    Aggregate Functions
  
- EXCEPT,
    Combining Queries
  
- exceptions
  
- in PL/pgSQL,
    Trapping Errors
  
 
 
- exclusion constraint,
    Exclusion Constraints
  
- EXECUTE,
    EXECUTE
  
- EXISTS,
    Subquery Expressions
  
- EXIT
  
- in PL/pgSQL,
    EXIT
  
 
 
- exit_on_error configuration parameter,
    Error Handling
  
- exp,
    Mathematical Functions and Operators
  
- EXPLAIN,
    Using EXPLAIN,
    EXPLAIN
  
- expression
  
- order of evaluation,
    Expression Evaluation Rules
  
 
- syntax,
    Value Expressions
  
 
 
- extending SQL,
    Extending SQL
  
- extension,
    Packaging Related Objects into an Extension
  
- externally maintained,
    Extensions
  
 
 
- external_pid_file configuration parameter,
    File Locations
  
- extract,
    Date/Time Functions and Operators,
    EXTRACT, date_part
  
- extra_float_digits configuration parameter,
    Locale and Formatting
  
- failover,
    High Availability, Load Balancing, and Replication
  
- false,
    Boolean Type
  
- family,
    Network Address Functions and Operators
  
- fast path,
    The Fast-Path Interface
  
- fdw_handler,
    Pseudo-Types
  
- FETCH,
    FETCH
  
- field
  
- computed,
    SQL Functions on Composite Types
  
 
 
- field selection,
    Field Selection
  
- file_fdw,
    file_fdw
  
- first_value,
    Window Functions
  
- flex,
    Requirements
  
- float4
  
- see real
 
- float8
  
- see double precision
 
- floating point,
    Floating-Point Types
  
- floating-point
  
- display,
    Locale and Formatting
  
 
 
- floor,
    Mathematical Functions and Operators
  
- foreign data,
    Foreign Data
  
- foreign data wrapper
  
- handler for,
    Writing A Foreign Data Wrapper
  
 
 
- foreign key,
    Foreign Keys,
    Foreign Keys
  
- foreign table,
    Foreign Data
  
- format,
    String Functions and Operators
  
- use in PL/pgSQL,
    Executing Dynamic Commands
  
 
 
- formatting,
    Data Type Formatting Functions
  
- format_type,
    System Information Functions
  
- Free Space Map,
    Free Space Map
  
- FreeBSD
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
- start script,
    Starting the Database Server
  
 
 
- from_collapse_limit configuration parameter,
    Other Planner Options
  
- FSM
  
- see Free Space Map
 
- fsync configuration parameter,
    Settings
  
- full text search,
    Full Text Search
  
- data types,
    Text Search Types
  
 
- functions and operators,
    Text Search Types
  
 
 
- full_page_writes configuration parameter,
    Settings
  
- function,
    Functions and Operators
  
- default values for arguments,
    SQL Functions with Default Values for Arguments
  
 
- in the FROM clause,
    Table Functions
  
 
- internal,
    Internal Functions
  
 
- invocation,
    Function Calls
  
 
- mixed notation,
    Using Mixed Notation
  
 
- named notation,
    Using Named Notation
  
 
- named parameter,
    SQL Functions with Parameter Names
  
 
- output parameter,
    SQL Functions with Output Parameters
  
 
- polymorphic,
    Polymorphic Types
  
 
- positional notation,
    Using Positional Notation
  
 
- RETURNS TABLE,
    SQL Functions Returning TABLE
  
 
- type resolution in an invocation,
    Functions
  
 
- user-defined,
    User-defined Functions
  
- in C,
    C-Language Functions
  
- in SQL,
    Query Language (SQL) Functions
  
 
- variadic,
    SQL Functions with Variable Numbers of Arguments
  
 
- with SETOF,
    SQL Functions Returning Sets
  
 
 
- functional dependency,
    The GROUP BY and HAVING Clauses
  
- fuzzystrmatch,
    fuzzystrmatch
  
- generate_series,
    Set Returning Functions
  
- generate_subscripts,
    Set Returning Functions
  
- genetic query optimization,
    Genetic Query Optimizer
  
- GEQO
  
- see genetic query optimization
 
- geqo configuration parameter,
    Genetic Query Optimizer
  
- geqo_effort configuration parameter,
    Genetic Query Optimizer
  
- geqo_generations configuration parameter,
    Genetic Query Optimizer
  
- geqo_pool_size configuration parameter,
    Genetic Query Optimizer
  
- geqo_seed configuration parameter,
    Genetic Query Optimizer
  
- geqo_selection_bias configuration parameter,
    Genetic Query Optimizer
  
- geqo_threshold configuration parameter,
    Genetic Query Optimizer
  
- get_bit,
    Binary String Functions and Operators
  
- get_byte,
    Binary String Functions and Operators
  
- get_current_ts_config,
    Text Search Functions and Operators
  
- GIN
  
- see index
 
- gin_fuzzy_search_limit configuration parameter,
    Other Defaults
  
- GiST
  
- see index
 
- global data
  
- in PL/Python,
    Sharing Data
  
 
- in PL/Tcl,
    Global Data in PL/Tcl
  
 
 
- GRANT,
    Privileges,
    GRANT
  
- GREATEST,
    GREATEST and LEAST
  
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
 
- GROUP BY,
    Aggregate Functions,
    The GROUP BY and HAVING Clauses
  
- grouping,
    The GROUP BY and HAVING Clauses
  
- GSSAPI,
    GSSAPI Authentication
  
- GUID,
    UUID Type
  
- hash
  
- see index
 
- has_any_column_privilege,
    System Information Functions
  
- has_column_privilege,
    System Information Functions
  
- has_database_privilege,
    System Information Functions
  
- has_foreign_data_wrapper_privilege,
    System Information Functions
  
- has_function_privilege,
    System Information Functions
  
- has_language_privilege,
    System Information Functions
  
- has_schema_privilege,
    System Information Functions
  
- has_sequence_privilege,
    System Information Functions
  
- has_server_privilege,
    System Information Functions
  
- has_tablespace_privilege,
    System Information Functions
  
- has_table_privilege,
    System Information Functions
  
- HAVING,
    Aggregate Functions,
    The GROUP BY and HAVING Clauses
  
- hba_file configuration parameter,
    File Locations
  
- height,
    Geometric Functions and Operators
  
- hierarchical database,
    Concepts
  
- high availability,
    High Availability, Load Balancing, and Replication
  
- history
  
- of PostgreSQL,
    A Brief History of PostgreSQL
  
 
 
- host,
    Network Address Functions and Operators
  
- host name,
    Database Connection Control Functions
  
- hostmask,
    Network Address Functions and Operators
  
- Hot Standby,
    High Availability, Load Balancing, and Replication
  
- hot_standby configuration parameter,
    Standby Servers
  
- hot_standby_feedback configuration parameter,
    Standby Servers
  
- HP-UX
  
- installation on,
    HP-UX
  
 
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- hstore,
    hstore
  
- ident,
    Ident Authentication
  
- identifier
  
- length,
    Identifiers and Key Words
  
 
- syntax of,
    Identifiers and Key Words
  
 
 
- ident_file configuration parameter,
    File Locations
  
- IFNULL,
    COALESCE
  
- ignore_system_indexes configuration parameter,
    Developer Options
  
- IMMUTABLE,
    Function Volatility Categories
  
- IN,
    Subquery Expressions,
    Row and Array Comparisons
  
- include
  
- in configuration file,
    Setting Parameters
  
 
 
- index,
    Indexes
  
- and ORDER BY,
    Indexes and ORDER BY
  
 
- B-tree,
    Index Types
  
 
- building concurrently,
    Building Indexes Concurrently
  
 
- combining multiple indexes,
    Combining Multiple Indexes
  
 
- examining usage,
    Examining Index Usage
  
 
- on expressions,
    Indexes on Expressions
  
 
- for user-defined data type,
    Interfacing Extensions To Indexes
  
 
- GIN,
    Index Types,
    GIN Indexes
  
- text search,
    GiST and GIN Index Types
  
 
- GiST,
    Index Types,
    GiST Indexes
  
- text search,
    GiST and GIN Index Types
  
 
- hash,
    Index Types
  
 
- locks,
    Locking and Indexes
  
 
- multicolumn,
    Multicolumn Indexes
  
 
- partial,
    Partial Indexes
  
 
- unique,
    Unique Indexes
  
 
 
- index scan,
    Planner Method Configuration
  
- inet (data type),
    inet
  
- inet_client_addr,
    System Information Functions
  
- inet_client_port,
    System Information Functions
  
- inet_server_addr,
    System Information Functions
  
- inet_server_port,
    System Information Functions
  
- information schema,
    The Information Schema
  
- inheritance,
    Inheritance,
    Inheritance,
    Previous PostgreSQL Versions
  
- initcap,
    String Functions and Operators
  
- initdb,
    Creating a Database Cluster,
    initdb
  
- Initialization Fork,
    The Initialization Fork
  
- input function,
    User-defined Types
  
- INSERT,
    Populating a Table With Rows,
    Inserting Data,
    INSERT
  
- inserting,
    Inserting Data
  
- installation,
      Installation from Source Code
  
- on Windows,
    Installation from Source Code on Windows
  
 
 
- instr,
    Porting Examples
  
- int2
  
- see smallint
 
- int4
  
- see integer
 
- int8
  
- see bigint
 
- intagg,
    intagg
  
- intarray,
    intarray
  
- integer,
    Numeric Constants,
    Integer Types
  
- integer_datetimes configuration parameter,
    Preset Options
  
- interfaces
  
- externally maintained,
    Client Interfaces
  
 
 
- internal,
    Pseudo-Types
  
- INTERSECT,
    Combining Queries
  
- interval,
    Date/Time Types,
    Interval Input
  
- output format,
    Interval Output
  
- see also formatting
 
 
- IntervalStyle configuration parameter,
    Locale and Formatting
  
- IRIX
  
- installation on,
    IRIX
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- IS DISTINCT FROM,
    Comparison Operators,
    Row and Array Comparisons
  
- IS DOCUMENT,
    IS DOCUMENT
  
- IS FALSE,
    Comparison Operators
  
- IS NOT DISTINCT FROM,
    Comparison Operators,
    Row and Array Comparisons
  
- IS NOT FALSE,
    Comparison Operators
  
- IS NOT NULL,
    Comparison Operators
  
- IS NOT TRUE,
    Comparison Operators
  
- IS NOT UNKNOWN,
    Comparison Operators
  
- IS NULL,
    Comparison Operators,
    Platform and Client Compatibility
  
- IS TRUE,
    Comparison Operators
  
- IS UNKNOWN,
    Comparison Operators
  
- isclosed,
    Geometric Functions and Operators
  
- isfinite,
    Date/Time Functions and Operators
  
- isn,
    isn
  
- ISNULL,
    Comparison Operators
  
- isopen,
    Geometric Functions and Operators
  
- is_array_ref
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- join,
    Joins Between Tables,
    Joined Tables
  
- controlling the order,
    Controlling the Planner with Explicit JOIN Clauses
  
 
- cross,
    Joined Tables
  
 
- left,
    Joined Tables
  
 
- natural,
    Joined Tables
  
 
- outer,
    Joins Between Tables,
    Joined Tables
  
 
- right,
    Joined Tables
  
 
- self,
    Joins Between Tables
  
 
 
- join_collapse_limit configuration parameter,
    Other Planner Options
  
- justify_days,
    Date/Time Functions and Operators
  
- justify_hours,
    Date/Time Functions and Operators
  
- justify_interval,
    Date/Time Functions and Operators
  
- label
  
- see alias
 
- lag,
    Window Functions
  
- language_handler,
    Pseudo-Types
  
- large object,
    Large Objects
  
- lastval,
    Sequence Manipulation Functions
  
- last_value,
    Window Functions
  
- lc_collate configuration parameter,
    Preset Options
  
- lc_ctype configuration parameter,
    Preset Options
  
- lc_messages configuration parameter,
    Locale and Formatting
  
- lc_monetary configuration parameter,
    Locale and Formatting
  
- lc_numeric configuration parameter,
    Locale and Formatting
  
- lc_time configuration parameter,
    Locale and Formatting
  
- LDAP,
    Installation Procedure,
    LDAP Authentication
  
- LDAP connection parameter lookup,
    LDAP Lookup of Connection Parameters
  
- ldconfig,
    Shared Libraries
  
- lead,
    Window Functions
  
- LEAST,
    GREATEST and LEAST
  
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
 
- left,
    String Functions and Operators
  
- left join,
    Joined Tables
  
- length,
    String Functions and Operators,
    Binary String Functions and Operators,
    Geometric Functions and Operators,
    Text Search Functions and Operators
  
- of a binary string
  
- see binary strings, length
 
- of a character string
  
- see character string, length
 
 
- length(tsvector),
    Manipulating Documents
  
- lex,
    Requirements
  
- libedit,
    Requirements
  
- libperl,
    Requirements
  
- libpq,
    libpq - C Library
  
- libpq-fe.h,
    libpq - C Library,
    Connection Status Functions
  
- libpq-int.h,
    Connection Status Functions
  
- libpython,
    Requirements
  
- library finalization function,
    Dynamic Loading
  
- library initialization function,
    Dynamic Loading
  
- LIKE,
    LIKE
  
- and locales,
    Behavior
  
 
 
- LIMIT,
    LIMIT and OFFSET
  
- line segment,
    Line Segments
  
- linear regression,
    Aggregate Functions
  
- Linux
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
- start script,
    Starting the Database Server
  
 
 
- LISTEN,
    LISTEN
  
- listen_addresses configuration parameter,
    Connection Settings
  
- ln,
    Mathematical Functions and Operators
  
- lo,
    lo
  
- LOAD,
    LOAD
  
- load balancing,
    High Availability, Load Balancing, and Replication
  
- locale,
    Creating a Database Cluster,
    Locale Support
  
- localtime,
    Date/Time Functions and Operators
  
- localtimestamp,
    Date/Time Functions and Operators
  
- local_preload_libraries configuration parameter,
    Other Defaults
  
- lock,
    Explicit Locking,
    Table-level Locks,
    LOCK
  
- advisory,
    Advisory Locks
  
 
- monitoring,
    Viewing Locks
  
 
 
- log,
    Mathematical Functions and Operators
  
- log shipping,
    High Availability, Load Balancing, and Replication
  
- logging_collector configuration parameter,
    Where To Log
  
- login privilege,
    Role Attributes
  
- log_autovacuum_min_duration configuration parameter,
    Automatic Vacuuming
  
- log_btree_build_stats configuration parameter,
    Developer Options
  
- log_checkpoints configuration parameter,
    What To Log
  
- log_connections configuration parameter,
    What To Log
  
- log_destination configuration parameter,
    Where To Log
  
- log_directory configuration parameter,
    Where To Log
  
- log_disconnections configuration parameter,
    What To Log
  
- log_duration configuration parameter,
    What To Log
  
- log_error_verbosity configuration parameter,
    What To Log
  
- log_executor_stats configuration parameter,
    Statistics Monitoring
  
- log_filename configuration parameter,
    Where To Log
  
- log_file_mode configuration parameter,
    Where To Log
  
- log_hostname configuration parameter,
    What To Log
  
- log_line_prefix configuration parameter,
    What To Log
  
- log_lock_waits configuration parameter,
    What To Log
  
- log_min_duration_statement configuration parameter,
    When To Log
  
- log_min_error_statement configuration parameter,
    When To Log
  
- log_min_messages configuration parameter,
    When To Log
  
- log_parser_stats configuration parameter,
    Statistics Monitoring
  
- log_planner_stats configuration parameter,
    Statistics Monitoring
  
- log_rotation_age configuration parameter,
    Where To Log
  
- log_rotation_size configuration parameter,
    Where To Log
  
- log_statement configuration parameter,
    What To Log
  
- log_statement_stats configuration parameter,
    Statistics Monitoring
  
- log_temp_files configuration parameter,
    What To Log
  
- log_timezone configuration parameter,
    What To Log
  
- log_truncate_on_rotation configuration parameter,
    Where To Log
  
- looks_like_number
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
 
- loop
  
- in PL/pgSQL,
    Simple Loops
  
 
 
- lower,
    String Functions and Operators
  
- and locales,
    Behavior
  
 
 
- lo_close,
    Closing a Large Object Descriptor
  
- lo_compat_privileges configuration parameter,
    Previous PostgreSQL Versions
  
- lo_creat,
    Creating a Large Object,
    Server-side Functions
  
- lo_create,
    Creating a Large Object,
    Server-side Functions
  
- lo_export,
    Exporting a Large Object,
    Server-side Functions
  
- lo_import,
    Importing a Large Object,
    Server-side Functions
  
- lo_import_with_oid,
    Importing a Large Object
  
- lo_lseek,
    Seeking in a Large Object
  
- lo_open,
    Opening an Existing Large Object
  
- lo_read,
    Reading Data from a Large Object
  
- lo_tell,
    Obtaining the Seek Position of a Large Object
  
- lo_truncate,
    Truncating a Large Object
  
- lo_unlink,
    Removing a Large Object,
    Server-side Functions
  
- lo_write,
    Writing Data to a Large Object
  
- lpad,
    String Functions and Operators
  
- lseg,
    Line Segments,
    Geometric Functions and Operators
  
- ltree,
    ltree
  
- ltrim,
    String Functions and Operators
  
- MAC address
  
- see macaddr
 
- Mac OS X
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- macaddr (data type),
    macaddr
  
- magic block,
    Dynamic Loading
  
- maintenance,
    Routine Database Maintenance Tasks
  
- maintenance_work_mem configuration parameter,
    Memory
  
- make,
    Requirements
  
- MANPATH,
    Environment Variables
  
- masklen,
    Network Address Functions and Operators
  
- max,
    Aggregate Functions
  
- max_connections configuration parameter,
    Connection Settings
  
- max_files_per_process configuration parameter,
    Kernel Resource Usage
  
- max_function_args configuration parameter,
    Preset Options
  
- max_identifier_length configuration parameter,
    Preset Options
  
- max_index_keys configuration parameter,
    Preset Options
  
- max_locks_per_transaction configuration parameter,
    Lock Management
  
- max_pred_locks_per_transaction configuration parameter,
    Lock Management
  
- max_prepared_transactions configuration parameter,
    Memory
  
- max_stack_depth configuration parameter,
    Memory
  
- max_standby_archive_delay configuration parameter,
    Standby Servers
  
- max_standby_streaming_delay configuration parameter,
    Standby Servers
  
- max_wal_senders configuration parameter,
    Master Server
  
- md5,
    String Functions and Operators,
    Binary String Functions and Operators,
    Password Authentication
  
- memory context
  
- in SPI,
    Memory Management
  
 
 
- min,
    Aggregate Functions
  
- MinGW
  
- installation on,
    MinGW/Native Windows
  
 
 
- mod,
    Mathematical Functions and Operators
  
- monitoring
  
- database activity,
    Monitoring Database Activity
  
 
 
- MOVE,
    MOVE
  
- Multiversion Concurrency Control,
    Introduction
  
- MVCC,
    Introduction
  
- name
  
- qualified,
    Creating a Schema
  
 
- syntax of,
    Identifiers and Key Words
  
 
- unqualified,
    The Schema Search Path
  
 
 
- NaN
  
- see not a number
 
- natural join,
    Joined Tables
  
- negation,
    Logical Operators
  
- NetBSD
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
- start script,
    Starting the Database Server
  
 
 
- netmask,
    Network Address Functions and Operators
  
- network,
    Network Address Functions and Operators
  
- data types,
    Network Address Types
  
 
 
- Network Attached Storage (NAS)
  
- see Network File Systems
 
- Network File Systems,
    Network File Systems
  
- nextval,
    Sequence Manipulation Functions
  
- NFS
  
- see Network File Systems
 
- non-durable,
    Non-Durable Settings
  
- nonblocking connection,
    Database Connection Control Functions,
    Asynchronous Command Processing
  
- nonrepeatable read,
    Transaction Isolation
  
- NOT (operator),
    Logical Operators
  
- not a number
  
- double precision,
    Floating-Point Types
  
 
- numeric (data type),
    Arbitrary Precision Numbers
  
 
 
- NOT IN,
    Subquery Expressions,
    Row and Array Comparisons
  
- not-null constraint,
    Not-Null Constraints
  
- notation
  
- functions,
    Calling Functions
  
 
 
- notice processing
  
- in libpq,
    Notice Processing
  
 
 
- notice processor,
    Notice Processing
  
- notice receiver,
    Notice Processing
  
- NOTIFY,
    NOTIFY
  
- in libpq,
    Asynchronous Notification
  
 
 
- NOTNULL,
    Comparison Operators
  
- now,
    Date/Time Functions and Operators
  
- npoints,
    Geometric Functions and Operators
  
- nth_value,
    Window Functions
  
- ntile,
    Window Functions
  
- null value
  
- with check constraints,
    Check Constraints
  
 
- comparing,
    Comparison Operators
  
 
- default value,
    Default Values
  
 
- in DISTINCT,
    DISTINCT
  
 
- in libpq,
    Retrieving Query Result Information
  
 
- in PL/Perl,
    PL/Perl Functions and Arguments
  
 
- in PL/Python,
    Null, None
  
 
- with unique constraints,
    Unique Constraints
  
 
 
- NULLIF,
    NULLIF
  
- number
  
- constant,
    Numeric Constants
  
 
 
- numeric,
    Numeric Constants
  
- numeric (data type),
    Arbitrary Precision Numbers
  
- numnode,
    Text Search Functions and Operators,
    Manipulating Queries
  
- NVL,
    COALESCE
  
- object identifier
  
- data type,
    Object Identifier Types
  
 
 
- object-oriented database,
    Concepts
  
- obj_description,
    System Information Functions
  
- octet_length,
    String Functions and Operators,
    Binary String Functions and Operators
  
- OFFSET,
    LIMIT and OFFSET
  
- oid,
    Object Identifier Types
  
- column,
    System Columns
  
 
- in libpq,
    Retrieving Other Result Information
  
 
 
- oid2name,
    oid2name
  
- ONLY,
    The FROM Clause
  
- opaque,
    Pseudo-Types
  
- OpenBSD
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
- start script,
    Starting the Database Server
  
 
 
- OpenSSL,
    Installation Procedure
  
- see also SSL
 
- operator,
    Functions and Operators
  
- invocation,
    Operator Invocations
  
 
- logical,
    Logical Operators
  
 
- precedence,
    Operator Precedence
  
 
- syntax,
    Operators
  
 
- type resolution in an invocation,
    Operators
  
 
- user-defined,
    User-defined Operators
  
 
 
- operator class,
    Operator Classes and Operator Families,
    Index Methods and Operator Classes
  
- operator family,
    Operator Classes and Operator Families,
    Operator Classes and Operator Families
  
- OR (operator),
    Logical Operators
  
- Oracle
  
- porting from PL/SQL to PL/pgSQL,
    Porting from Oracle PL/SQL
  
 
 
- ORDER BY,
    Querying a Table,
    Sorting Rows
  
- and locales,
    Behavior
  
 
 
- ordering operator,
    System Dependencies on Operator Classes
  
- outer join,
    Joined Tables
  
- output function,
    User-defined Types
  
- OVER clause,
    Window Function Calls
  
- overlay,
    String Functions and Operators,
    Binary String Functions and Operators
  
- overloading
  
- functions,
    Function Overloading
  
 
- operators,
    User-defined Operators
  
 
 
- owner,
    Privileges
  
- pageinspect,
    pageinspect
  
- palloc,
    Writing Code
  
- PAM,
    Installation Procedure,
    PAM Authentication
  
- parameter
  
- syntax,
    Positional Parameters
  
 
 
- parenthesis,
    Value Expressions
  
- partitioning,
    Partitioning
  
- password,
    Role Attributes
  
- authentication,
    Password Authentication
  
 
- of the superuser,
    Creating a Database Cluster
  
 
 
- password file,
    The Password File
  
- passwordcheck,
    passwordcheck
  
- password_encryption configuration parameter,
    Security and Authentication
  
- path,
    Geometric Functions and Operators,
    Environment Variables
  
- for schemas,
    Statement Behavior
  
 
 
- path (data type),
    Paths
  
- pattern matching,
    Pattern Matching
  
- patterns
  
- in psql and pg_dump,
    Patterns
  
 
 
- pause_at_recovery_target recovery parameter,
    Recovery Target Settings
  
- pclose,
    Geometric Functions and Operators
  
- peer,
    Peer Authentication
  
- percent_rank,
    Window Functions
  
- performance,
    Performance Tips
  
- perl,
    Requirements,
    PL/Perl - Perl Procedural Language
  
- permission
  
- see privilege
 
- pfree,
    Writing Code
  
- PGAPPNAME,
    Environment Variables
  
- pgbench,
    pgbench
  
- PGcancel,
    Canceling Queries in Progress
  
- PGCLIENTENCODING,
    Environment Variables
  
- PGconn,
    Database Connection Control Functions
  
- PGCONNECT_TIMEOUT,
    Environment Variables
  
- pgcrypto,
    pgcrypto
  
- PGDATA,
    Creating a Database Cluster
  
- PGDATABASE,
    Environment Variables
  
- PGDATESTYLE,
    Environment Variables
  
- PGEventProc,
    Event Callback Procedure
  
- PGGEQO,
    Environment Variables
  
- PGGSSLIB,
    Environment Variables
  
- PGHOST,
    Environment Variables
  
- PGHOSTADDR,
    Environment Variables
  
- PGKRBSRVNAME,
    Environment Variables
  
- PGLOCALEDIR,
    Environment Variables
  
- PGOPTIONS,
    Environment Variables
  
- PGPASSFILE,
    Environment Variables
  
- PGPASSWORD,
    Environment Variables
  
- PGPORT,
    Environment Variables
  
- PGREALM,
    Environment Variables
  
- PGREQUIREPEER,
    Environment Variables
  
- PGREQUIRESSL,
    Environment Variables
  
- PGresult,
    Main Functions
  
- pgrowlocks,
    pgrowlocks
  
- PGSERVICE,
    Environment Variables
  
- PGSERVICEFILE,
    Environment Variables
  
- PGSSLCERT,
    Environment Variables
  
- PGSSLCRL,
    Environment Variables
  
- PGSSLKEY,
    Environment Variables
  
- PGSSLMODE,
    Environment Variables
  
- PGSSLROOTCERT,
    Environment Variables
  
- pgstattuple,
    pgstattuple
  
- PGSYSCONFDIR,
    Environment Variables
  
- PGTZ,
    Environment Variables
  
- PGUSER,
    Environment Variables
  
- pgxs,
    Extension Building Infrastructure
  
- pg_advisory_lock,
    System Administration Functions
  
- pg_advisory_lock_shared,
    System Administration Functions
  
- pg_advisory_unlock,
    System Administration Functions
  
- pg_advisory_unlock_all,
    System Administration Functions
  
- pg_advisory_unlock_shared,
    System Administration Functions
  
- pg_advisory_xact_lock,
    System Administration Functions
  
- pg_advisory_xact_lock_shared,
    System Administration Functions
  
- pg_aggregate,
    pg_aggregate
  
- pg_am,
    pg_am
  
- pg_amop,
    pg_amop
  
- pg_amproc,
    pg_amproc
  
- pg_archivecleanup,
    pg_archivecleanup
  
- pg_attrdef,
    pg_attrdef
  
- pg_attribute,
    pg_attribute
  
- pg_authid,
    pg_authid
  
- pg_auth_members,
    pg_auth_members
  
- pg_available_extensions,
    pg_available_extensions
  
- pg_available_extension_versions,
    pg_available_extension_versions
  
- pg_backend_pid,
    System Information Functions
  
- pg_basebackup,
    pg_basebackup
  
- pg_buffercache,
    pg_buffercache
  
- pg_cancel_backend,
    System Administration Functions
  
- pg_cast,
    pg_cast
  
- pg_class,
    pg_class
  
- pg_client_encoding,
    String Functions and Operators
  
- pg_collation,
    pg_collation
  
- pg_collation_is_visible,
    System Information Functions
  
- pg_column_size,
    System Administration Functions
  
- pg_config,
    pg_config
  
- with libpq,
    Building libpq Programs
  
 
- with user-defined C functions,
    Writing Code
  
 
 
- pg_conf_load_time,
    System Information Functions
  
- pg_constraint,
    pg_constraint
  
- pg_controldata,
    pg_controldata
  
- pg_conversion,
    pg_conversion
  
- pg_conversion_is_visible,
    System Information Functions
  
- pg_create_restore_point,
    System Administration Functions
  
- pg_ctl,
    Creating a Database Cluster,
    Starting the Database Server,
    pg_ctl
  
- pg_current_xlog_insert_location,
    System Administration Functions
  
- pg_current_xlog_location,
    System Administration Functions
  
- pg_cursors,
    pg_cursors
  
- pg_database,
    Template Databases,
    pg_database
  
- pg_database_size,
    System Administration Functions
  
- pg_db_role_setting,
    pg_db_role_setting
  
- pg_default_acl,
    pg_default_acl
  
- pg_depend,
    pg_depend
  
- pg_describe_object,
    System Information Functions
  
- pg_description,
    pg_description
  
- pg_dump,
    pg_dump
  
- pg_dumpall,
    pg_dumpall
  
- use during upgrade,
    Upgrading Data via pg_dump
  
 
 
- pg_enum,
    pg_enum
  
- pg_extension,
    pg_extension
  
- pg_extension_config_dump,
    Extension Configuration Tables
  
- pg_foreign_data_wrapper,
    pg_foreign_data_wrapper
  
- pg_foreign_server,
    pg_foreign_server
  
- pg_foreign_table,
    pg_foreign_table
  
- pg_freespacemap,
    pg_freespacemap
  
- pg_function_is_visible,
    System Information Functions
  
- pg_get_constraintdef,
    System Information Functions
  
- pg_get_expr,
    System Information Functions
  
- pg_get_functiondef,
    System Information Functions
  
- pg_get_function_arguments,
    System Information Functions
  
- pg_get_function_identity_arguments,
    System Information Functions
  
- pg_get_function_result,
    System Information Functions
  
- pg_get_indexdef,
    System Information Functions
  
- pg_get_keywords,
    System Information Functions
  
- pg_get_ruledef,
    System Information Functions
  
- pg_get_serial_sequence,
    System Information Functions
  
- pg_get_triggerdef,
    System Information Functions
  
- pg_get_userbyid,
    System Information Functions
  
- pg_get_viewdef,
    System Information Functions
  
- pg_group,
    pg_group
  
- pg_has_role,
    System Information Functions
  
- pg_hba.conf,
    The pg_hba.conf File
  
- pg_ident.conf,
    User Name Maps
  
- pg_index,
    pg_index
  
- pg_indexes,
    pg_indexes
  
- pg_indexes_size,
    System Administration Functions
  
- pg_inherits,
    pg_inherits
  
- pg_is_in_recovery,
    System Administration Functions
  
- pg_is_other_temp_schema,
    System Information Functions
  
- pg_is_xlog_replay_paused,
    System Administration Functions
  
- pg_language,
    pg_language
  
- pg_largeobject,
    pg_largeobject
  
- pg_largeobject_metadata,
    pg_largeobject_metadata
  
- pg_last_xact_replay_timestamp,
    System Administration Functions
  
- pg_last_xlog_receive_location,
    System Administration Functions
  
- pg_last_xlog_replay_location,
    System Administration Functions
  
- pg_listening_channels,
    System Information Functions
  
- pg_locks,
    pg_locks
  
- pg_ls_dir,
    System Administration Functions
  
- pg_my_temp_schema,
    System Information Functions
  
- pg_namespace,
    pg_namespace
  
- pg_notify,
    pg_notify
  
- pg_opclass,
    pg_opclass
  
- pg_opclass_is_visible,
    System Information Functions
  
- pg_operator,
    pg_operator
  
- pg_operator_is_visible,
    System Information Functions
  
- pg_opfamily,
    pg_opfamily
  
- pg_options_to_table,
    System Information Functions
  
- pg_pltemplate,
    pg_pltemplate
  
- pg_postmaster_start_time,
    System Information Functions
  
- pg_prepared_statements,
    pg_prepared_statements
  
- pg_prepared_xacts,
    pg_prepared_xacts
  
- pg_proc,
    pg_proc
  
- pg_read_binary_file,
    System Administration Functions
  
- pg_read_file,
    System Administration Functions
  
- pg_relation_filenode,
    System Administration Functions
  
- pg_relation_filepath,
    System Administration Functions
  
- pg_relation_size,
    System Administration Functions
  
- pg_reload_conf,
    System Administration Functions
  
- pg_restore,
    pg_restore
  
- pg_rewrite,
    pg_rewrite
  
- pg_roles,
    pg_roles
  
- pg_rotate_logfile,
    System Administration Functions
  
- pg_rules,
    pg_rules
  
- pg_seclabel,
    pg_seclabel
  
- pg_seclabels,
    pg_seclabels
  
- pg_service.conf,
    The Connection Service File
  
- pg_settings,
    pg_settings
  
- pg_shadow,
    pg_shadow
  
- pg_shdepend,
    pg_shdepend
  
- pg_shdescription,
    pg_shdescription
  
- pg_size_pretty,
    System Administration Functions
  
- pg_sleep,
    Delaying Execution
  
- pg_standby,
    pg_standby
  
- pg_start_backup,
    System Administration Functions
  
- pg_statio_all_indexes,
    Viewing Collected Statistics
  
- pg_statio_all_sequences,
    Viewing Collected Statistics
  
- pg_statio_all_tables,
    Viewing Collected Statistics
  
- pg_statio_sys_indexes,
    Viewing Collected Statistics
  
- pg_statio_sys_sequences,
    Viewing Collected Statistics
  
- pg_statio_sys_tables,
    Viewing Collected Statistics
  
- pg_statio_user_indexes,
    Viewing Collected Statistics
  
- pg_statio_user_sequences,
    Viewing Collected Statistics
  
- pg_statio_user_tables,
    Viewing Collected Statistics
  
- pg_statistic,
    Statistics Used by the Planner,
    pg_statistic
  
- pg_stats,
    Statistics Used by the Planner,
    pg_stats
  
- pg_stat_activity,
    Viewing Collected Statistics
  
- pg_stat_all_indexes,
    Viewing Collected Statistics
  
- pg_stat_all_tables,
    Viewing Collected Statistics
  
- pg_stat_bgwriter,
    Viewing Collected Statistics
  
- pg_stat_database,
    Viewing Collected Statistics
  
- pg_stat_database_conflicts,
    Viewing Collected Statistics
  
- pg_stat_file,
    System Administration Functions
  
- pg_stat_replication,
    Viewing Collected Statistics
  
- pg_stat_statements,
    pg_stat_statements
  
- pg_stat_sys_indexes,
    Viewing Collected Statistics
  
- pg_stat_sys_tables,
    Viewing Collected Statistics
  
- pg_stat_user_functions,
    Viewing Collected Statistics
  
- pg_stat_user_indexes,
    Viewing Collected Statistics
  
- pg_stat_user_tables,
    Viewing Collected Statistics
  
- pg_stat_xact_all_tables,
    Viewing Collected Statistics
  
- pg_stat_xact_sys_tables,
    Viewing Collected Statistics
  
- pg_stat_xact_user_functions,
    Viewing Collected Statistics
  
- pg_stat_xact_user_tables,
    Viewing Collected Statistics
  
- pg_stop_backup,
    System Administration Functions
  
- pg_switch_xlog,
    System Administration Functions
  
- pg_tables,
    pg_tables
  
- pg_tablespace,
    pg_tablespace
  
- pg_tablespace_databases,
    System Information Functions
  
- pg_tablespace_size,
    System Administration Functions
  
- pg_table_is_visible,
    System Information Functions
  
- pg_table_size,
    System Administration Functions
  
- pg_terminate_backend,
    System Administration Functions
  
- pg_test_fsync,
    pg_test_fsync
  
- pg_timezone_abbrevs,
    pg_timezone_abbrevs
  
- pg_timezone_names,
    pg_timezone_names
  
- pg_total_relation_size,
    System Administration Functions
  
- pg_trgm,
    pg_trgm
  
- pg_trigger,
    pg_trigger
  
- pg_try_advisory_lock,
    System Administration Functions
  
- pg_try_advisory_lock_shared,
    System Administration Functions
  
- pg_try_advisory_xact_lock,
    System Administration Functions
  
- pg_try_advisory_xact_lock_shared,
    System Administration Functions
  
- pg_ts_config,
    pg_ts_config
  
- pg_ts_config_is_visible,
    System Information Functions
  
- pg_ts_config_map,
    pg_ts_config_map
  
- pg_ts_dict,
    pg_ts_dict
  
- pg_ts_dict_is_visible,
    System Information Functions
  
- pg_ts_parser,
    pg_ts_parser
  
- pg_ts_parser_is_visible,
    System Information Functions
  
- pg_ts_template,
    pg_ts_template
  
- pg_ts_template_is_visible,
    System Information Functions
  
- pg_type,
    pg_type
  
- pg_typeof,
    System Information Functions
  
- pg_type_is_visible,
    System Information Functions
  
- pg_upgrade,
    pg_upgrade
  
- pg_user,
    pg_user
  
- pg_user_mapping,
    pg_user_mapping
  
- pg_user_mappings,
    pg_user_mappings
  
- pg_views,
    pg_views
  
- pg_xlogfile_name,
    System Administration Functions
  
- pg_xlogfile_name_offset,
    System Administration Functions
  
- pg_xlog_replay_pause,
    System Administration Functions
  
- pg_xlog_replay_resume,
    System Administration Functions
  
- phantom read,
    Transaction Isolation
  
- pi,
    Mathematical Functions and Operators
  
- PIC,
    Compiling and Linking Dynamically-loaded Functions
  
- PID
  
- determining PID of server process
  
- in libpq,
    Connection Status Functions
  
 
 
- PITR,
    Backup and Restore
  
- PITR standby,
    High Availability, Load Balancing, and Replication
  
- PL/Perl,
    PL/Perl - Perl Procedural Language
  
- PL/PerlU,
    Trusted and Untrusted PL/Perl
  
- PL/pgSQL,
    PL/pgSQL - SQL Procedural Language
  
- PL/Python,
    PL/Python - Python Procedural Language
  
- PL/SQL (Oracle)
  
- porting to PL/pgSQL,
    Porting from Oracle PL/SQL
  
 
 
- PL/Tcl,
    PL/Tcl - Tcl Procedural Language
  
- plainto_tsquery,
    Text Search Functions and Operators,
    Parsing Queries
  
- plperl.on_init configuration parameter,
    Configuration
  
- plperl.on_plperlu_init configuration parameter,
    Configuration
  
- plperl.on_plperl_init configuration parameter,
    Configuration
  
- plperl.use_strict configuration parameter,
    Configuration
  
- plpgsql.variable_conflict configuration parameter,
    Variable Substitution
  
- point,
    Points,
    Geometric Functions and Operators
  
- point-in-time recovery,
    Backup and Restore
  
- polygon,
    Polygons,
    Geometric Functions and Operators
  
- polymorphic function,
    Polymorphic Types
  
- polymorphic type,
    Polymorphic Types
  
- popen,
    Geometric Functions and Operators
  
- port,
    Database Connection Control Functions
  
- port configuration parameter,
    Connection Settings
  
- position,
    String Functions and Operators,
    Binary String Functions and Operators
  
- POSTGRES,
    The Berkeley POSTGRES Project,
    Architectural Fundamentals,
    Starting the Database Server,
    Creating a Database,
    postgres
  
- postgres user,
    The PostgreSQL User Account
  
- Postgres95,
    Postgres95
  
- postgresql.conf,
    Setting Parameters
  
- postmaster,
    postmaster
  
- post_auth_delay configuration parameter,
    Developer Options
  
- power,
    Mathematical Functions and Operators
  
- PQbackendPID,
    Connection Status Functions
  
- PQbinaryTuples,
    Retrieving Query Result Information
  
- with COPY,
    Functions Associated with the COPY Command
  
 
 
- PQcancel,
    Canceling Queries in Progress
  
- PQclear,
    Main Functions
  
- PQclientEncoding,
    Control Functions
  
- PQcmdStatus,
    Retrieving Other Result Information
  
- PQcmdTuples,
    Retrieving Other Result Information
  
- PQconndefaults,
    Database Connection Control Functions
  
- PQconnectdb,
    Database Connection Control Functions
  
- PQconnectdbParams,
    Database Connection Control Functions
  
- PQconnectionNeedsPassword,
    Connection Status Functions
  
- PQconnectionUsedPassword,
    Connection Status Functions
  
- PQconnectPoll,
    Database Connection Control Functions
  
- PQconnectStart,
    Database Connection Control Functions
  
- PQconnectStartParams,
    Database Connection Control Functions
  
- PQconninfoFree,
    Miscellaneous Functions
  
- PQconninfoParse,
    Database Connection Control Functions
  
- PQconsumeInput,
    Asynchronous Command Processing
  
- PQcopyResult,
    Miscellaneous Functions
  
- PQdb,
    Connection Status Functions
  
- PQdescribePortal,
    Main Functions
  
- PQdescribePrepared,
    Main Functions
  
- PQencryptPassword,
    Miscellaneous Functions
  
- PQendcopy,
    Obsolete Functions for COPY
  
- PQerrorMessage,
    Connection Status Functions
  
- PQescapeBytea,
    Escaping Strings for Inclusion in SQL Commands
  
- PQescapeByteaConn,
    Escaping Strings for Inclusion in SQL Commands
  
- PQescapeIdentifier,
    Escaping Strings for Inclusion in SQL Commands
  
- PQescapeLiteral,
    Escaping Strings for Inclusion in SQL Commands
  
- PQescapeString,
    Escaping Strings for Inclusion in SQL Commands
  
- PQescapeStringConn,
    Escaping Strings for Inclusion in SQL Commands
  
- PQexec,
    Main Functions
  
- PQexecParams,
    Main Functions
  
- PQexecPrepared,
    Main Functions
  
- PQfformat,
    Retrieving Query Result Information
  
- with COPY,
    Functions Associated with the COPY Command
  
 
 
- PQfinish,
    Database Connection Control Functions
  
- PQfireResultCreateEvents,
    Miscellaneous Functions
  
- PQflush,
    Asynchronous Command Processing
  
- PQfmod,
    Retrieving Query Result Information
  
- PQfn,
    The Fast-Path Interface
  
- PQfname,
    Retrieving Query Result Information
  
- PQfnumber,
    Retrieving Query Result Information
  
- PQfreeCancel,
    Canceling Queries in Progress
  
- PQfreemem,
    Miscellaneous Functions
  
- PQfsize,
    Retrieving Query Result Information
  
- PQftable,
    Retrieving Query Result Information
  
- PQftablecol,
    Retrieving Query Result Information
  
- PQftype,
    Retrieving Query Result Information
  
- PQgetCancel,
    Canceling Queries in Progress
  
- PQgetCopyData,
    Functions for Receiving COPY Data
  
- PQgetisnull,
    Retrieving Query Result Information
  
- PQgetlength,
    Retrieving Query Result Information
  
- PQgetline,
    Obsolete Functions for COPY
  
- PQgetlineAsync,
    Obsolete Functions for COPY
  
- PQgetResult,
    Asynchronous Command Processing
  
- PQgetssl,
    Connection Status Functions
  
- PQgetvalue,
    Retrieving Query Result Information
  
- PQhost,
    Connection Status Functions
  
- PQinitOpenSSL,
    SSL Library Initialization
  
- PQinitSSL,
    SSL Library Initialization
  
- PQinstanceData,
    Event Support Functions
  
- PQisBusy,
    Asynchronous Command Processing
  
- PQisnonblocking,
    Asynchronous Command Processing
  
- PQisthreadsafe,
    Behavior in Threaded Programs
  
- PQlibVersion,
    Miscellaneous Functions
  
- see also PQserverVersion
 
- PQmakeEmptyPGresult,
    Miscellaneous Functions
  
- PQnfields,
    Retrieving Query Result Information
  
- with COPY,
    Functions Associated with the COPY Command
  
 
 
- PQnotifies,
    Asynchronous Notification
  
- PQnparams,
    Retrieving Query Result Information
  
- PQntuples,
    Retrieving Query Result Information
  
- PQoidStatus,
    Retrieving Other Result Information
  
- PQoidValue,
    Retrieving Other Result Information
  
- PQoptions,
    Connection Status Functions
  
- PQparameterStatus,
    Connection Status Functions
  
- PQparamtype,
    Retrieving Query Result Information
  
- PQpass,
    Connection Status Functions
  
- PQping,
    Database Connection Control Functions
  
- PQpingParams,
    Database Connection Control Functions
  
- PQport,
    Connection Status Functions
  
- PQprepare,
    Main Functions
  
- PQprint,
    Retrieving Query Result Information
  
- PQprotocolVersion,
    Connection Status Functions
  
- PQputCopyData,
    Functions for Sending COPY Data
  
- PQputCopyEnd,
    Functions for Sending COPY Data
  
- PQputline,
    Obsolete Functions for COPY
  
- PQputnbytes,
    Obsolete Functions for COPY
  
- PQregisterEventProc,
    Event Support Functions
  
- PQrequestCancel,
    Canceling Queries in Progress
  
- PQreset,
    Database Connection Control Functions
  
- PQresetPoll,
    Database Connection Control Functions
  
- PQresetStart,
    Database Connection Control Functions
  
- PQresStatus,
    Main Functions
  
- PQresultAlloc,
    Miscellaneous Functions
  
- PQresultErrorField,
    Main Functions
  
- PQresultErrorMessage,
    Main Functions
  
- PQresultInstanceData,
    Event Support Functions
  
- PQresultSetInstanceData,
    Event Support Functions
  
- PQresultStatus,
    Main Functions
  
- PQsendDescribePortal,
    Asynchronous Command Processing
  
- PQsendDescribePrepared,
    Asynchronous Command Processing
  
- PQsendPrepare,
    Asynchronous Command Processing
  
- PQsendQuery,
    Asynchronous Command Processing
  
- PQsendQueryParams,
    Asynchronous Command Processing
  
- PQsendQueryPrepared,
    Asynchronous Command Processing
  
- PQserverVersion,
    Connection Status Functions
  
- PQsetClientEncoding,
    Control Functions
  
- PQsetdb,
    Database Connection Control Functions
  
- PQsetdbLogin,
    Database Connection Control Functions
  
- PQsetErrorVerbosity,
    Control Functions
  
- PQsetInstanceData,
    Event Support Functions
  
- PQsetnonblocking,
    Asynchronous Command Processing
  
- PQsetNoticeProcessor,
    Notice Processing
  
- PQsetNoticeReceiver,
    Notice Processing
  
- PQsetResultAttrs,
    Miscellaneous Functions
  
- PQsetvalue,
    Miscellaneous Functions
  
- PQsocket,
    Connection Status Functions
  
- PQstatus,
    Connection Status Functions
  
- PQtrace,
    Control Functions
  
- PQtransactionStatus,
    Connection Status Functions
  
- PQtty,
    Connection Status Functions
  
- PQunescapeBytea,
    Escaping Strings for Inclusion in SQL Commands
  
- PQuntrace,
    Control Functions
  
- PQuser,
    Connection Status Functions
  
- predicate locking,
    Serializable Isolation Level
  
- PREPARE,
    PREPARE
  
- PREPARE TRANSACTION,
    PREPARE TRANSACTION
  
- prepared statements
  
- creating,
    PREPARE
  
 
- executing,
    EXECUTE
  
 
- removing,
    DEALLOCATE
  
 
- showing the query plan,
    EXPLAIN
  
 
 
- preparing a query
  
- in PL/pgSQL,
    Plan Caching
  
 
- in PL/Python,
    Database Access Functions
  
 
- in PL/Tcl,
    Database Access from PL/Tcl
  
 
 
- pre_auth_delay configuration parameter,
    Developer Options
  
- primary key,
    Primary Keys
  
- primary_conninfo recovery parameter,
    Standby Server Settings
  
- privilege,
    Privileges
  
- querying,
    System Information Functions
  
 
- with rules,
    Rules and Privileges
  
 
- for schemas,
    Schemas and Privileges
  
 
- with views,
    Rules and Privileges
  
 
 
- procedural language,
    Procedural Languages
  
- externally maintained,
    Procedural Languages
  
 
- handler for,
    Writing A Procedural Language Handler
  
 
 
- protocol
  
- frontend-backend,
    Frontend/Backend Protocol
  
 
 
- ps
  
- to monitor activity,
    Standard Unix Tools
  
 
 
- psql,
    Accessing a Database,
    psql
  
- Python,
    PL/Python - Python Procedural Language
  
- qualified name,
    Creating a Schema
  
- query,
    Querying a Table,
    Queries
  
- query plan,
    Using EXPLAIN
  
- query tree,
    The Query Tree
  
- querytree,
    Text Search Functions and Operators,
    Manipulating Queries
  
- quotation marks
  
- and identifiers,
    Identifiers and Key Words
  
 
- escaping,
    String Constants
  
 
 
- quote_all_identifiers configuration parameter,
    Previous PostgreSQL Versions
  
- quote_ident,
    String Functions and Operators
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
- use in PL/pgSQL,
    Executing Dynamic Commands
  
 
 
- quote_literal,
    String Functions and Operators
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
- use in PL/pgSQL,
    Executing Dynamic Commands
  
 
 
- quote_nullable,
    String Functions and Operators
  
- in PL/Perl,
    Utility Functions in PL/Perl
  
 
- use in PL/pgSQL,
    Executing Dynamic Commands
  
 
 
- radians,
    Mathematical Functions and Operators
  
- radius,
    Geometric Functions and Operators,
    RADIUS Authentication
  
- RAISE,
    Errors and Messages
  
- random,
    Mathematical Functions and Operators
  
- random_page_cost configuration parameter,
    Planner Cost Constants
  
- range table,
    The Query Tree
  
- rank,
    Window Functions
  
- read committed,
    Read Committed Isolation Level
  
- read-only transaction
  
- setting,
    SET TRANSACTION
  
 
- setting default,
    Statement Behavior
  
 
 
- readline,
    Requirements
  
- real,
    Floating-Point Types
  
- REASSIGN OWNED,
    REASSIGN OWNED
  
- record,
    Pseudo-Types
  
- recovery.conf,
    Recovery Configuration
  
- recovery_end_command recovery parameter,
    Archive Recovery Settings
  
- recovery_target_inclusive recovery parameter,
    Recovery Target Settings
  
- recovery_target_name recovery parameter,
    Recovery Target Settings
  
- recovery_target_time recovery parameter,
    Recovery Target Settings
  
- recovery_target_timeline recovery parameter,
    Recovery Target Settings
  
- recovery_target_xid recovery parameter,
    Recovery Target Settings
  
- rectangle,
    Boxes
  
- referential integrity,
    Foreign Keys,
    Foreign Keys
  
- regclass,
    Object Identifier Types
  
- regconfig,
    Object Identifier Types
  
- regdictionary,
    Object Identifier Types
  
- regexp_matches,
    String Functions and Operators,
    POSIX Regular Expressions
  
- regexp_replace,
    String Functions and Operators,
    POSIX Regular Expressions
  
- regexp_split_to_array,
    String Functions and Operators,
    POSIX Regular Expressions
  
- regexp_split_to_table,
    String Functions and Operators,
    POSIX Regular Expressions
  
- regoper,
    Object Identifier Types
  
- regoperator,
    Object Identifier Types
  
- regproc,
    Object Identifier Types
  
- regprocedure,
    Object Identifier Types
  
- regression intercept,
    Aggregate Functions
  
- regression slope,
    Aggregate Functions
  
- regression test,
    Installation Procedure
  
- regression tests,
    Regression Tests
  
- regr_avgx,
    Aggregate Functions
  
- regr_avgy,
    Aggregate Functions
  
- regr_count,
    Aggregate Functions
  
- regr_intercept,
    Aggregate Functions
  
- regr_r2,
    Aggregate Functions
  
- regr_slope,
    Aggregate Functions
  
- regr_sxx,
    Aggregate Functions
  
- regr_sxy,
    Aggregate Functions
  
- regr_syy,
    Aggregate Functions
  
- regtype,
    Object Identifier Types
  
- regular expression,
    SIMILAR TO Regular Expressions,
    POSIX Regular Expressions
  
- see also pattern matching
 
- regular expressions
  
- and locales,
    Behavior
  
 
 
- reindex,
    Routine Reindexing,
    REINDEX
  
- reindexdb,
    reindexdb
  
- relation,
    Concepts
  
- relational database,
    Concepts
  
- RELEASE SAVEPOINT,
    RELEASE SAVEPOINT
  
- repeat,
    String Functions and Operators
  
- repeatable read,
    Repeatable Read Isolation Level
  
- replace,
    String Functions and Operators
  
- replication,
    High Availability, Load Balancing, and Replication
  
- replication_timeout configuration parameter,
    Master Server
  
- reporting errors
  
- in PL/pgSQL,
    Errors and Messages
  
 
 
- RESET,
    RESET
  
- restartpoint,
    WAL Configuration
  
- restart_after_crash configuration parameter,
    Error Handling
  
- restore_command recovery parameter,
    Archive Recovery Settings
  
- RESTRICT
  
- with DROP,
    Dependency Tracking
  
 
- foreign key action,
    Foreign Keys
  
 
 
- RETURN NEXT
  
- in PL/pgSQL,
    RETURN NEXT and RETURN QUERY
  
 
 
- RETURN QUERY
  
- in PL/pgSQL,
    RETURN NEXT and RETURN QUERY
  
 
 
- RETURNING INTO
  
- in PL/pgSQL,
    Executing a Query with a Single-row Result
  
 
 
- reverse,
    String Functions and Operators
  
- REVOKE,
    Privileges,
    REVOKE
  
- right,
    String Functions and Operators
  
- right join,
    Joined Tables
  
- role,
    Database Roles
  
- applicable,
    applicable_roles
  
 
- enabled,
    enabled_roles
  
 
- membership in,
    Role Membership
  
 
- privilege to create,
    Role Attributes
  
 
- privilege to initiate replication,
    Role Attributes
  
 
 
- ROLLBACK,
    ROLLBACK
  
- psql,
    Variables
  
 
 
- ROLLBACK PREPARED,
    ROLLBACK PREPARED
  
- ROLLBACK TO SAVEPOINT,
    ROLLBACK TO SAVEPOINT
  
- round,
    Mathematical Functions and Operators
  
- routine maintenance,
    Routine Database Maintenance Tasks
  
- row,
    Concepts,
    Row Constructors,
    Table Basics
  
- row estimation
  
- planner,
    Row Estimation Examples
  
 
 
- row type,
    Composite Types
  
- constructor,
    Row Constructors
  
 
 
- row-wise comparison,
    Row and Array Comparisons
  
- row_number,
    Window Functions
  
- rpad,
    String Functions and Operators
  
- rtrim,
    String Functions and Operators
  
- rule,
    The Rule System
  
- and views,
    Views and the Rule System
  
 
- for DELETE,
    Rules on INSERT, UPDATE, and DELETE
  
 
- for INSERT,
    Rules on INSERT, UPDATE, and DELETE
  
 
- for SELECT,
    How SELECT Rules Work
  
 
- compared with triggers,
    Rules Versus Triggers
  
 
- for UPDATE,
    Rules on INSERT, UPDATE, and DELETE
  
 
 
- SAVEPOINT,
    SAVEPOINT
  
- savepoints
  
- defining,
    SAVEPOINT
  
 
- releasing,
    RELEASE SAVEPOINT
  
 
- rolling back,
    ROLLBACK TO SAVEPOINT
  
 
 
- scalar
  
- see expression
 
- schema,
    Schemas,
    Overview
  
- creating,
    Creating a Schema
  
 
- current,
    The Schema Search Path,
    System Information Functions
  
 
- public,
    The Public Schema
  
 
- removing,
    Creating a Schema
  
 
 
- SCO
  
- installation on,
    SCO OpenServer and SCO UnixWare
  
 
 
- SCO OpenServer
  
- IPC configuration,
    Shared Memory and Semaphores
  
 
 
- search path,
    The Schema Search Path
  
- current,
    System Information Functions
  
 
 
- search_path,
    The Schema Search Path
  
- search_path configuration parameter,
    Statement Behavior
  
- SECURITY LABEL,
    SECURITY LABEL
  
- seg,
    seg
  
- segment_size configuration parameter,
    Preset Options
  
- SELECT,
    Querying a Table,
    Queries,
    SELECT
  
- select list,
    Select Lists
  
 
 
- SELECT INTO,
    SELECT INTO
  
- in PL/pgSQL,
    Executing a Query with a Single-row Result
  
 
 
- semaphores,
    Shared Memory and Semaphores
  
- sepgsql,
    sepgsql
  
- sepgsql.debug_audit configuration parameter,
    GUC Parameters
  
- sepgsql.permissive configuration parameter,
    GUC Parameters
  
- sequence,
    Sequence Manipulation Functions
  
- and serial type,
    Serial Types
  
 
 
- sequential scan,
    Planner Method Configuration
  
- seq_page_cost configuration parameter,
    Planner Cost Constants
  
- serial,
    Serial Types
  
- serial4,
    Serial Types
  
- serial8,
    Serial Types
  
- serializable,
    Serializable Isolation Level
  
- Serializable Snapshot Isolation,
    Introduction
  
- serialization anomaly,
    Serializable Isolation Level
  
- server log,
    Error Reporting and Logging
  
- log file maintenance,
    Log File Maintenance
  
 
 
- server spoofing,
    Preventing Server Spoofing
  
- server_encoding configuration parameter,
    Preset Options
  
- server_version configuration parameter,
    Preset Options
  
- server_version_num configuration parameter,
    Preset Options
  
- session_replication_role configuration parameter,
    Statement Behavior
  
- session_user,
    System Information Functions
  
- SET,
    System Administration Functions,
    SET
  
- SET CONSTRAINTS,
    SET CONSTRAINTS
  
- set difference,
    Combining Queries
  
- set intersection,
    Combining Queries
  
- set operation,
    Combining Queries
  
- set returning functions
  
- functions,
    Set Returning Functions
  
 
 
- SET ROLE,
    SET ROLE
  
- SET SESSION AUTHORIZATION,
    SET SESSION AUTHORIZATION
  
- SET TRANSACTION,
    SET TRANSACTION
  
- set union,
    Combining Queries
  
- SET XML OPTION,
    Statement Behavior
  
- setseed,
    Mathematical Functions and Operators
  
- setval,
    Sequence Manipulation Functions
  
- setweight,
    Text Search Functions and Operators,
    Manipulating Documents
  
- set_bit,
    Binary String Functions and Operators
  
- set_byte,
    Binary String Functions and Operators
  
- set_config,
    System Administration Functions
  
- set_masklen,
    Network Address Functions and Operators
  
- shared library,
    Shared Libraries,
    Compiling and Linking Dynamically-loaded Functions
  
- shared memory,
    Shared Memory and Semaphores
  
- shared_buffers configuration parameter,
    Memory
  
- shared_preload_libraries,
    Shared Memory and LWLocks
  
- shared_preload_libraries configuration parameter,
    Kernel Resource Usage
  
- SHMMAX,
    Shared Memory and Semaphores
  
- shobj_description,
    System Information Functions
  
- SHOW,
    System Administration Functions,
    SHOW
  
- shutdown,
    Shutting Down the Server
  
- SIGHUP,
    Setting Parameters,
    The pg_hba.conf File,
    User Name Maps
  
- SIGINT,
    Shutting Down the Server
  
- sign,
    Mathematical Functions and Operators
  
- signal
  
- backend processes,
    System Administration Functions
  
 
 
- significant digits,
    Locale and Formatting
  
- SIGQUIT,
    Shutting Down the Server
  
- SIGTERM,
    Shutting Down the Server
  
- silent_mode configuration parameter,
    Where To Log
  
- SIMILAR TO,
    SIMILAR TO Regular Expressions
  
- sin,
    Mathematical Functions and Operators
  
- sleep,
    Delaying Execution
  
- sliced bread
  
- see TOAST
 
- smallint,
    Integer Types
  
- Solaris
  
- installation on,
    Solaris
  
 
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
- start script,
    Starting the Database Server
  
 
 
- SOME,
    Aggregate Functions,
    Subquery Expressions,
    Row and Array Comparisons
  
- sorting,
    Sorting Rows
  
- SPI,
    Server Programming Interface
  
- examples,
    spi
  
 
 
- SPI_connect,
    SPI_connect
  
- SPI_copytuple,
    SPI_copytuple
  
- SPI_cursor_close,
    SPI_cursor_close
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- SPI_cursor_fetch,
    SPI_cursor_fetch
  
- SPI_cursor_find,
    SPI_cursor_find
  
- SPI_cursor_move,
    SPI_cursor_move
  
- SPI_cursor_open,
    SPI_cursor_open
  
- SPI_cursor_open_with_args,
    SPI_cursor_open_with_args
  
- SPI_cursor_open_with_paramlist,
    SPI_cursor_open_with_paramlist
  
- SPI_exec,
    SPI_exec
  
- SPI_execp,
    SPI_execp
  
- SPI_execute,
    SPI_execute
  
- SPI_execute_plan,
    SPI_execute_plan
  
- SPI_execute_plan_with_paramlist,
    SPI_execute_plan_with_paramlist
  
- SPI_execute_with_args,
    SPI_execute_with_args
  
- spi_exec_prepared
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- spi_exec_query
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- spi_fetchrow
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- SPI_finish,
    SPI_finish
  
- SPI_fname,
    SPI_fname
  
- SPI_fnumber,
    SPI_fnumber
  
- SPI_freeplan,
    SPI_freeplan
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- SPI_freetuple,
    SPI_freetuple
  
- SPI_freetuptable,
    SPI_freetuptable
  
- SPI_getargcount,
    SPI_getargcount
  
- SPI_getargtypeid,
    SPI_getargtypeid
  
- SPI_getbinval,
    SPI_getbinval
  
- SPI_getnspname,
    SPI_getnspname
  
- SPI_getrelname,
    SPI_getrelname
  
- SPI_gettype,
    SPI_gettype
  
- SPI_gettypeid,
    SPI_gettypeid
  
- SPI_getvalue,
    SPI_getvalue
  
- SPI_is_cursor_plan,
    SPI_is_cursor_plan
  
- spi_lastoid,
    Database Access from PL/Tcl
  
- SPI_modifytuple,
    SPI_modifytuple
  
- SPI_palloc,
    SPI_palloc
  
- SPI_pfree,
    SPI_pfree
  
- SPI_pop,
    SPI_pop
  
- SPI_prepare,
    SPI_prepare
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- SPI_prepare_cursor,
    SPI_prepare_cursor
  
- SPI_prepare_params,
    SPI_prepare_params
  
- SPI_push,
    SPI_push
  
- spi_query
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- spi_query_prepared
  
- in PL/Perl,
    Database Access from PL/Perl
  
 
 
- SPI_repalloc,
    SPI_repalloc
  
- SPI_returntuple,
    SPI_returntuple
  
- SPI_saveplan,
    SPI_saveplan
  
- SPI_scroll_cursor_fetch,
    SPI_scroll_cursor_fetch
  
- SPI_scroll_cursor_move,
    SPI_scroll_cursor_move
  
- split_part,
    String Functions and Operators
  
- SQL/CLI,
    SQL Conformance
  
- SQL/Foundation,
    SQL Conformance
  
- SQL/Framework,
    SQL Conformance
  
- SQL/JRT,
    SQL Conformance
  
- SQL/MED,
    SQL Conformance
  
- SQL/OLB,
    SQL Conformance
  
- SQL/PSM,
    SQL Conformance
  
- SQL/Schemata,
    SQL Conformance
  
- SQL/XML,
    SQL Conformance
  
- sql_inheritance configuration parameter,
    Previous PostgreSQL Versions
  
- sqrt,
    Mathematical Functions and Operators
  
- ssh,
    Secure TCP/IP Connections with SSH Tunnels
  
- SSI,
    Introduction
  
- SSL,
    Secure TCP/IP Connections with SSL,
    SSL Support
  
- with libpq,
    Database Connection Control Functions,
    Connection Status Functions
  
 
 
- ssl configuration parameter,
    Security and Authentication
  
- sslinfo,
    sslinfo
  
- ssl_ciphers configuration parameter,
    Security and Authentication
  
- ssl_renegotiation_limit configuration parameter,
    Security and Authentication
  
- SSPI,
    SSPI Authentication
  
- STABLE,
    Function Volatility Categories
  
- standard deviation,
    Aggregate Functions
  
- population,
    Aggregate Functions
  
 
- sample,
    Aggregate Functions
  
 
 
- standard_conforming_strings configuration parameter,
    Previous PostgreSQL Versions
  
- standby server,
    High Availability, Load Balancing, and Replication
  
- standby_mode recovery parameter,
    Standby Server Settings
  
- START TRANSACTION,
    START TRANSACTION
  
- statement_timeout configuration parameter,
    Statement Behavior
  
- statement_timestamp,
    Date/Time Functions and Operators
  
- statistics,
    Aggregate Functions,
    The Statistics Collector
  
- of the planner,
    Statistics Used by the Planner,
    Updating Planner Statistics
  
 
 
- stats_temp_directory configuration parameter,
    Query and Index Statistics Collector
  
- stddev,
    Aggregate Functions
  
- stddev_pop,
    Aggregate Functions
  
- stddev_samp,
    Aggregate Functions
  
- STONITH,
    High Availability, Load Balancing, and Replication
  
- storage parameters,
    Storage Parameters
  
- Streaming Replication,
    High Availability, Load Balancing, and Replication
  
- string
  
- see character string
 
- strings
  
- backslash quotes,
    Previous PostgreSQL Versions
  
 
- escape warning,
    Previous PostgreSQL Versions
  
 
- standard conforming,
    Previous PostgreSQL Versions
  
 
 
- string_agg,
    Aggregate Functions
  
- string_to_array,
    Array Functions and Operators
  
- strip,
    Text Search Functions and Operators,
    Manipulating Documents
  
- strpos,
    String Functions and Operators
  
- subquery,
    Aggregate Functions,
    Scalar Subqueries,
    Subqueries,
    Subquery Expressions
  
- subscript,
    Subscripts
  
- substr,
    String Functions and Operators
  
- substring,
    String Functions and Operators,
    Binary String Functions and Operators,
    SIMILAR TO Regular Expressions,
    POSIX Regular Expressions
  
- sum,
    Aggregate Functions
  
- superuser,
    Accessing a Database,
    Role Attributes
  
- superuser_reserved_connections configuration parameter,
    Connection Settings
  
- suppress_redundant_updates_trigger,
    Trigger Functions
  
- synchronize_seqscans configuration parameter,
    Previous PostgreSQL Versions
  
- synchronous commit,
    Asynchronous Commit
  
- Synchronous Replication,
    High Availability, Load Balancing, and Replication
  
- synchronous_commit configuration parameter,
    Settings
  
- synchronous_standby_names configuration parameter,
    Master Server
  
- syntax
  
- SQL,
    SQL Syntax
  
 
 
- syslog_facility configuration parameter,
    Where To Log
  
- syslog_ident configuration parameter,
    Where To Log
  
- system catalog
  
- schema,
    The System Catalog Schema
  
 
 
- table,
    Concepts,
    Table Basics
  
- creating,
    Table Basics
  
 
- inheritance,
    Inheritance
  
 
- modifying,
    Modifying Tables
  
 
- partitioning,
    Partitioning
  
 
- removing,
    Table Basics
  
 
- renaming,
    Renaming a Table
  
 
 
- TABLE command,
    SELECT
  
- table expression,
    Table Expressions
  
- table function,
    Table Functions
  
- tablefunc,
    tablefunc
  
- tableoid,
    System Columns
  
- tablespace,
    Tablespaces
  
- default,
    Statement Behavior
  
 
- temporary,
    Statement Behavior
  
 
 
- tan,
    Mathematical Functions and Operators
  
- target list,
    The Query Tree
  
- Tcl,
    PL/Tcl - Tcl Procedural Language
  
- tcp_keepalives_count configuration parameter,
    Connection Settings
  
- tcp_keepalives_idle configuration parameter,
    Connection Settings
  
- tcp_keepalives_interval configuration parameter,
    Connection Settings
  
- template0,
    Template Databases
  
- template1,
    Creating a Database,
    Template Databases
  
- temp_buffers configuration parameter,
    Memory
  
- temp_tablespaces configuration parameter,
    Statement Behavior
  
- test,
    Regression Tests
  
- test_parser,
    test_parser
  
- text,
    Character Types,
    Network Address Functions and Operators
  
- text search,
    Full Text Search
  
- data types,
    Text Search Types
  
 
- functions and operators,
    Text Search Types
  
 
- indexes,
    GiST and GIN Index Types
  
 
 
- threads
  
- with libpq,
    Behavior in Threaded Programs
  
 
 
- tid,
    Object Identifier Types
  
- time,
    Date/Time Types,
    Times
  
- constants,
    Special Values
  
 
- current,
    Current Date/Time
  
 
- output format,
    Date/Time Output
  
- see also formatting
 
 
- time span,
    Date/Time Types
  
- time with time zone,
    Date/Time Types,
    Times
  
- time without time zone,
    Date/Time Types,
    Times
  
- time zone,
    Time Zones,
    Locale and Formatting
  
- conversion,
    AT TIME ZONE
  
 
- input abbreviations,
    Date/Time Configuration Files
  
 
 
- time zone data,
    Installation Procedure
  
- time zone names,
    Locale and Formatting
  
- timelines,
    Backup and Restore
  
- timeofday,
    Date/Time Functions and Operators
  
- timeout
  
- client authentication,
    Security and Authentication
  
 
- deadlock,
    Lock Management
  
 
 
- timestamp,
    Date/Time Types,
    Time Stamps
  
- timestamp with time zone,
    Date/Time Types,
    Time Stamps
  
- timestamp without time zone,
    Date/Time Types,
    Time Stamps
  
- timestamptz,
    Date/Time Types
  
- timezone configuration parameter,
    Locale and Formatting
  
- timezone_abbreviations configuration parameter,
    Locale and Formatting
  
- TOAST,
    TOAST
  
- and user-defined types,
    User-defined Types
  
 
- per-column storage settings,
    Description
  
 
- versus large objects,
    Introduction
  
 
 
- token,
    Lexical Structure
  
- to_ascii,
    String Functions and Operators
  
- to_char,
    Data Type Formatting Functions
  
- and locales,
    Behavior
  
 
 
- to_date,
    Data Type Formatting Functions
  
- to_hex,
    String Functions and Operators
  
- to_number,
    Data Type Formatting Functions
  
- to_timestamp,
    Data Type Formatting Functions
  
- to_tsquery,
    Text Search Functions and Operators,
    Parsing Queries
  
- to_tsvector,
    Text Search Functions and Operators,
    Parsing Documents
  
- trace_locks configuration parameter,
    Developer Options
  
- trace_lock_oidmin configuration parameter,
    Developer Options
  
- trace_lock_table configuration parameter,
    Developer Options
  
- trace_lwlocks configuration parameter,
    Developer Options
  
- trace_notify configuration parameter,
    Developer Options
  
- trace_recovery_messages configuration parameter,
    Developer Options
  
- trace_sort configuration parameter,
    Developer Options
  
- trace_userlocks configuration parameter,
    Developer Options
  
- track_activities configuration parameter,
    Query and Index Statistics Collector
  
- track_activity_query_size configuration parameter,
    Query and Index Statistics Collector
  
- track_counts configuration parameter,
    Query and Index Statistics Collector
  
- track_functions configuration parameter,
    Query and Index Statistics Collector
  
- transaction,
    Transactions
  
- transaction ID
  
- wraparound,
    Preventing Transaction ID Wraparound Failures
  
 
 
- transaction isolation,
    Transaction Isolation
  
- transaction isolation level,
    Transaction Isolation
  
- read committed,
    Read Committed Isolation Level
  
 
- repeatable read,
    Repeatable Read Isolation Level
  
 
- serializable,
    Serializable Isolation Level
  
 
- setting,
    SET TRANSACTION
  
 
- setting default,
    Statement Behavior
  
 
 
- transaction log
  
- see WAL
 
- transaction_timestamp,
    Date/Time Functions and Operators
  
- transform_null_equals configuration parameter,
    Platform and Client Compatibility
  
- translate,
    String Functions and Operators
  
- trigger,
    Pseudo-Types,
    Triggers
  
- arguments for trigger functions,
    Overview of Trigger Behavior
  
 
- for updating a derived tsvector column,
    Triggers for Automatic Updates
  
 
- in C,
    Writing Trigger Functions in C
  
 
- in PL/pgSQL,
    Trigger Procedures
  
 
- in PL/Python,
    Trigger Functions
  
 
- in PL/Tcl,
    Trigger Procedures in PL/Tcl
  
 
- compared with rules,
    Rules Versus Triggers
  
 
 
- trigger_file recovery parameter,
    Standby Server Settings
  
- trim,
    String Functions and Operators,
    Binary String Functions and Operators
  
- Tru64 UNIX
  
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- true,
    Boolean Type
  
- trunc,
    Mathematical Functions and Operators,
    Network Address Functions and Operators
  
- TRUNCATE,
    TRUNCATE
  
- trusted
  
- PL/Perl,
    Trusted and Untrusted PL/Perl
  
 
 
- tsearch2,
    tsearch2
  
- tsquery (data type),
    tsquery
  
- tsvector (data type),
    tsvector
  
- tsvector concatenation,
    Manipulating Documents
  
- tsvector_update_trigger,
    Text Search Functions and Operators
  
- tsvector_update_trigger_column,
    Text Search Functions and Operators
  
- ts_debug,
    Text Search Functions and Operators,
    Configuration Testing
  
- ts_headline,
    Text Search Functions and Operators,
    Highlighting Results
  
- ts_lexize,
    Text Search Functions and Operators,
    Dictionary Testing
  
- ts_parse,
    Text Search Functions and Operators,
    Parser Testing
  
- ts_rank,
    Text Search Functions and Operators,
    Ranking Search Results
  
- ts_rank_cd,
    Text Search Functions and Operators,
    Ranking Search Results
  
- ts_rewrite,
    Text Search Functions and Operators,
    Query Rewriting
  
- ts_stat,
    Text Search Functions and Operators,
    Gathering Document Statistics
  
- ts_token_type,
    Text Search Functions and Operators,
    Parser Testing
  
- txid_current,
    System Information Functions
  
- txid_current_snapshot,
    System Information Functions
  
- txid_snapshot_xip,
    System Information Functions
  
- txid_snapshot_xmax,
    System Information Functions
  
- txid_snapshot_xmin,
    System Information Functions
  
- txid_visible_in_snapshot,
    System Information Functions
  
- type
  
- see data type
- polymorphic,
    Polymorphic Types
  
 
- type cast,
    Numeric Constants,
    Type Casts
  
- UESCAPE,
    Identifiers and Key Words,
    String Constants with Unicode Escapes
  
- unaccent,
    unaccent,
    Functions
  
- Unicode escape
  
- in identifiers,
    Identifiers and Key Words
  
 
- in string constants,
    String Constants with Unicode Escapes
  
 
 
- UNION,
    Combining Queries
  
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
 
- unique constraint,
    Unique Constraints
  
- Unix domain socket,
    Database Connection Control Functions
  
- UnixWare
  
- installation on,
    SCO OpenServer and SCO UnixWare
  
 
- IPC configuration,
    Shared Memory and Semaphores
  
 
- shared library,
    Compiling and Linking Dynamically-loaded Functions
  
 
 
- unix_socket_directory configuration parameter,
    Connection Settings
  
- unix_socket_group configuration parameter,
    Connection Settings
  
- unix_socket_permissions configuration parameter,
    Connection Settings
  
- UNLISTEN,
    UNLISTEN
  
- unnest,
    Array Functions and Operators
  
- unqualified name,
    The Schema Search Path
  
- UPDATE,
    Updates,
    Updating Data,
    UPDATE
  
- update_process_title configuration parameter,
    Query and Index Statistics Collector
  
- updating,
    Updating Data
  
- upgrading,
    Upgrading a PostgreSQL Cluster
  
- upper,
    String Functions and Operators
  
- and locales,
    Behavior
  
 
 
- user,
    System Information Functions,
    Database Roles
  
- current,
    System Information Functions
  
 
 
- user mapping,
    Foreign Data
  
- User name maps,
    User Name Maps
  
- UUID,
    UUID Type,
    Installation Procedure
  
- uuid-ossp,
    uuid-ossp
  
- vacuum,
    Routine Vacuuming,
    VACUUM
  
- vacuumdb,
    vacuumdb
  
- vacuumlo,
    vacuumlo
  
- vacuum_cost_delay configuration parameter,
    Cost-based Vacuum Delay
  
- vacuum_cost_limit configuration parameter,
    Cost-based Vacuum Delay
  
- vacuum_cost_page_dirty configuration parameter,
    Cost-based Vacuum Delay
  
- vacuum_cost_page_hit configuration parameter,
    Cost-based Vacuum Delay
  
- vacuum_cost_page_miss configuration parameter,
    Cost-based Vacuum Delay
  
- vacuum_defer_cleanup_age configuration parameter,
    Master Server
  
- vacuum_freeze_min_age configuration parameter,
    Statement Behavior
  
- vacuum_freeze_table_age configuration parameter,
    Statement Behavior
  
- value expression,
    Value Expressions
  
- VALUES,
    VALUES Lists,
    VALUES
  
- determination of result type,
    UNION, CASE, and Related Constructs
  
 
 
- varchar,
    Character Types
  
- variadic function,
    SQL Functions with Variable Numbers of Arguments
  
- variance,
    Aggregate Functions
  
- population,
    Aggregate Functions
  
 
- sample,
    Aggregate Functions
  
 
 
- var_pop,
    Aggregate Functions
  
- var_samp,
    Aggregate Functions
  
- version,
    Accessing a Database,
    System Information Functions
  
- compatibility,
    Upgrading a PostgreSQL Cluster
  
 
 
- view,
    Views
  
- implementation through rules,
    Views and the Rule System
  
 
- updating,
    Cooperation with Views
  
 
 
- Visibility Map,
    Visibility Map
  
- VM
  
- see Visibility Map
 
- void,
    Pseudo-Types
  
- VOLATILE,
    Function Volatility Categories
  
- volatility
  
- functions,
    Function Volatility Categories
  
 
 
- VPATH,
    Installation Procedure
  
- WAL,
    Reliability and the Write-Ahead Log
  
- wal_block_size configuration parameter,
    Preset Options
  
- wal_buffers configuration parameter,
    Settings
  
- wal_debug configuration parameter,
    Developer Options
  
- wal_keep_segments configuration parameter,
    Master Server
  
- wal_level configuration parameter,
    Settings
  
- wal_receiver_status_interval configuration parameter,
    Standby Servers
  
- wal_segment_size configuration parameter,
    Preset Options
  
- wal_sender_delay configuration parameter,
    Master Server
  
- wal_sync_method configuration parameter,
    Settings
  
- wal_writer_delay configuration parameter,
    Settings
  
- warm standby,
    High Availability, Load Balancing, and Replication
  
- WHERE,
    The WHERE Clause
  
- where to log,
    Where To Log
  
- WHILE
  
- in PL/pgSQL,
    WHILE
  
 
 
- width,
    Geometric Functions and Operators
  
- width_bucket,
    Mathematical Functions and Operators
  
- window function,
    Window Functions
  
- built-in,
    Window Functions
  
 
- invocation,
    Window Function Calls
  
 
- order of execution,
    Window Function Processing
  
 
 
- WITH
  
- in SELECT,
    WITH Queries (Common Table Expressions),
    SELECT
  
 
 
- witness server,
    High Availability, Load Balancing, and Replication
  
- work_mem configuration parameter,
    Memory
  
- xid,
    Object Identifier Types
  
- xmax,
    System Columns
  
- xmin,
    System Columns
  
- XML,
    XML Type
  
- XML export,
    Mapping Tables to XML
  
- XML option,
    Creating XML Values,
    Statement Behavior
  
- xml2,
    xml2
  
- xmlagg,
    xmlagg,
    Aggregate Functions
  
- xmlbinary configuration parameter,
    Statement Behavior
  
- xmlcomment,
    xmlcomment
  
- xmlconcat,
    xmlconcat
  
- xmlelement,
    xmlelement
  
- XMLEXISTS,
    XMLEXISTS
  
- xmlforest,
    xmlforest
  
- xmloption configuration parameter,
    Statement Behavior
  
- xmlparse,
    Creating XML Values
  
- xmlpi,
    xmlpi
  
- xmlroot,
    xmlroot
  
- xmlserialize,
    Creating XML Values
  
- xml_is_well_formed,
    xml_is_well_formed
  
- xml_is_well_formed_content,
    xml_is_well_formed
  
- xml_is_well_formed_document,
    xml_is_well_formed
  
- XPath,
    Processing XML
  
- xpath_exists,
    Processing XML