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PostgreSQL 8.1.16 Documentation
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Index

Symbols

$, Positional Parameters
$libdir, Dynamic Loading
π, Mathematical Functions and Operators
*, Select-List Items
.pgpass, The Password File

A

ABORT, ABORT
abs, Mathematical Functions and Operators
acos, Mathematical Functions and Operators
add_missing_from configuration parameter, Previous PostgreSQL Versions
age, Date/Time Functions and Operators
aggregate function, Aggregate Functions
built-in, Aggregate Functions
invocation, Aggregate Expressions
user-defined, User-Defined Aggregates
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
ALTER AGGREGATE, ALTER AGGREGATE
ALTER CONVERSION, ALTER CONVERSION
ALTER DATABASE, ALTER DATABASE
ALTER DOMAIN, ALTER DOMAIN
ALTER FUNCTION, ALTER FUNCTION
ALTER GROUP, ALTER GROUP
ALTER INDEX, ALTER INDEX
ALTER LANGUAGE, ALTER LANGUAGE
ALTER OPERATOR, ALTER OPERATOR
ALTER OPERATOR CLASS, ALTER OPERATOR CLASS
ALTER ROLE, Role Attributes, ALTER ROLE
ALTER SCHEMA, ALTER SCHEMA
ALTER SEQUENCE, ALTER SEQUENCE
ALTER TABLE, ALTER TABLE
ALTER TABLESPACE, ALTER TABLESPACE
ALTER TRIGGER, ALTER TRIGGER
ALTER TYPE, ALTER TYPE
ALTER USER, ALTER USER
ANALYZE, Updating planner statistics, ANALYZE
AND (operator), Logical Operators
any, Pseudo-Types, Aggregate Functions, Subquery Expressions, Row and Array Comparisons
anyarray, Pseudo-Types
anyelement, Pseudo-Types
archive_command configuration parameter, Archiving
area, Geometric Functions and Operators
ARRAY, Array Constructors, Arrays
constant, Array Value Input
constructor, Array Constructors
determination of result type, UNION, CASE, and Related Constructs
of user-defined type, User-Defined Types
ascii, String Functions and Operators
asin, Mathematical Functions and Operators
AT TIME ZONE, AT TIME ZONE
atan, Mathematical Functions and Operators
atan2, Mathematical Functions and Operators
australian_timezones configuration parameter, Locale and Formatting
authentication_timeout configuration parameter, Security and Authentication
auto-increment
see serial
autocommit
bulk-loading data, Disable Autocommit
psql, Variables
autovacuum
general information, The auto-vacuum daemon
global configuration parameters, Automatic Vacuuming
table-specific configuration, pg_autovacuum
autovacuum configuration parameter, Automatic Vacuuming
autovacuum_analyze_scale_factor configuration parameter, Automatic Vacuuming
autovacuum_analyze_threshold 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
average, Aggregate Functions, Aggregate Functions

B

B-tree
see index
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_all_maxpages configuration parameter, Background Writer
bgwriter_all_percent configuration parameter, Background Writer
bgwriter_delay configuration parameter, Background Writer
bgwriter_lru_maxpages configuration parameter, Background Writer
bgwriter_lru_percent 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_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 (data type), Boxes
BSD/OS
IPC configuration, Shared Memory and Semaphores
shared library, Compiling and Linking Dynamically-Loaded Functions
btrim, String Functions and Operators
bytea, Binary Data Types
in libpq, Escaping Binary Strings for Inclusion in SQL Commands

C

C, libpq - C Library, ECPG - Embedded SQL in C
canceling
SQL command, Cancelling 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
cbrt, Mathematical Functions and Operators
ceiling, Mathematical Functions and Operators
center, Geometric Functions and Operators
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_segments configuration parameter, Checkpoints
checkpoint_timeout configuration parameter, Checkpoints
checkpoint_warning configuration parameter, Checkpoints
check_function_bodies configuration parameter, Statement Behavior
chr, String Functions and Operators
cid, Object Identifier Types
cidr, cidr
circle, Circles
client authentication, Client Authentication
timeout during, Security and Authentication
client_encoding configuration parameter, Locale and Formatting
client_min_messages configuration parameter, When To Log
CLOSE, CLOSE
CLUSTER, CLUSTER
of databases
see database cluster
clusterdb, clusterdb
cmax, System Columns
cmin, System Columns
COALESCE, COALESCE
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
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
concurrency, Concurrency Control
conditional expression, Conditional Expressions
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
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
convert, String Functions and Operators
COPY, Populating a Table With Rows, COPY
with libpq, Functions Associated with the COPY Command
cos, Mathematical Functions and Operators
cot, Mathematical Functions and Operators
count, 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 DATABASE, Creating a Database
CREATE AGGREGATE, CREATE AGGREGATE
CREATE CAST, CREATE CAST
CREATE CONSTRAINT, CREATE CONSTRAINT TRIGGER
CREATE CONVERSION, CREATE CONVERSION
CREATE DATABASE, CREATE DATABASE
CREATE DOMAIN, CREATE DOMAIN
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 ROLE, Database Roles, CREATE ROLE
CREATE RULE, CREATE RULE
CREATE SCHEMA, CREATE SCHEMA
CREATE SEQUENCE, CREATE SEQUENCE
CREATE TABLE, Creating a New Table, CREATE TABLE
CREATE TABLE AS, CREATE TABLE AS
CREATE TABLESPACE, Tablespaces, CREATE TABLESPACE
CREATE TRIGGER, CREATE TRIGGER
CREATE TYPE, CREATE TYPE
CREATE USER, CREATE USER
CREATE VIEW, CREATE VIEW
createdb, Creating a Database, Creating a Database, createdb
createlang, createlang
createuser, Database Roles, createuser
cross join, Joined Tables
crypt, Password authentication
cstring, Pseudo-Types
ctid, System Columns, View Rules in Non-SELECT Statements
current_date, Date/Time Functions and Operators
current_time, Date/Time Functions and Operators
current_timestamp, Date/Time Functions and Operators
currval, Sequence Manipulation Functions
cursor
CLOSE, CLOSE
DECLARE, DECLARE
FETCH, FETCH
in PL/pgSQL, Cursors
MOVE, MOVE
showing the query plan, EXPLAIN
custom_variable_classes configuration parameter, Customized Options

D

data area
see database cluster
data type, Data Types
base, The PostgreSQL Type System
category, Overview
composite, The PostgreSQL Type System
constant, Constants of Other Types
conversion, Type Conversion
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
DBI, Database Access from PL/Perl
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_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
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_transaction_isolation configuration parameter, Statement Behavior
default_transaction_read_only configuration parameter, Statement Behavior
default_with_oids configuration parameter, Previous PostgreSQL Versions
degrees, Mathematical Functions and Operators
DELETE, Deletions, Deleting Data, DELETE
deleting, Deleting Data
diameter, Geometric Functions and Operators
Digital UNIX
see Tru64 UNIX
dirty read, Transaction Isolation
disjunction, Logical Operators
disk drive, WAL Internals
disk space, Recovering disk space
disk usage, Determining Disk Usage
DISTINCT, Querying a Table, DISTINCT
dollar quoting, Dollar-Quoted String Constants
double precision, Floating-Point Types
DROP AGGREGATE, DROP AGGREGATE
DROP CAST, DROP CAST
DROP CONVERSION, DROP CONVERSION
DROP DATABASE, Destroying a Database, DROP DATABASE
DROP DOMAIN, DROP DOMAIN
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 ROLE, Database Roles, DROP ROLE
DROP RULE, DROP RULE
DROP SCHEMA, DROP SCHEMA
DROP SEQUENCE, DROP SEQUENCE
DROP TABLE, Creating a New Table, DROP TABLE
DROP TABLESPACE, DROP TABLESPACE
DROP TRIGGER, DROP TRIGGER
DROP TYPE, DROP TYPE
DROP USER, DROP USER
DROP VIEW, DROP VIEW
dropdb, Destroying a Database, dropdb
droplang, droplang
dropuser, Database Roles, dropuser
duplicate, Querying a Table
duplicates, DISTINCT
dynamic loading, Other Defaults, Dynamic Loading
dynamic_library_path, Dynamic Loading
dynamic_library_path configuration parameter, Other Defaults

E

ECPG, ECPG - Embedded SQL in C, ecpg
effective_cache_size configuration parameter, Planner Cost Constants
elog, Reporting Errors Within the Server
in PL/Perl, Database Access from PL/Perl
in PL/Python, Database Access
in PL/Tcl, Database Access from PL/Tcl
embedded SQL
in C, ECPG - Embedded SQL in C
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_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
encryption, Encryption Options
END, END
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_warning configuration parameter, Previous PostgreSQL Versions
escaping strings, Escaping Strings for Inclusion in SQL Commands
every, Aggregate Functions
EXCEPT, Combining Queries
exceptions
in PL/PgSQL, Trapping Errors
EXECUTE, EXECUTE
EXISTS, Subquery Expressions
EXIT
in PL/pgSQL, EXIT
exp, Mathematical Functions and Operators
EXPLAIN, Using EXPLAIN, EXPLAIN
explain_pretty_print configuration parameter, Other Defaults
expression
order of evaluation, Expression Evaluation Rules
syntax, Value Expressions
extending SQL, Extending SQL
extensions, 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

F

false, Boolean Type
FAQ, Further Information
fast path, The Fast-Path Interface
FETCH, FETCH
field
computed, SQL Functions on Composite Types
field selection, Field Selection
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 key, Foreign Keys, Foreign Keys
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
missing, Previous PostgreSQL Versions
from_collapse_limit configuration parameter, Other Planner Options
fsync configuration parameter, Settings
full_page_writes configuration parameter, Settings
function, Functions and Operators
in the FROM clause, Table Functions
internal, Internal Functions
invocation, Function Calls
output parameter, Functions with Output Parameters
polymorphic, Polymorphic Types
type resolution in an invocation, Functions
user-defined, User-Defined Functions
in C, C-Language Functions
in SQL, Query Language (SQL) Functions

G

generate_series, 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_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
GiST
see index
global data
in PL/Python, PL/Python Functions
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

H

hash
see index
has_database_privilege, System Information Functions
has_function_privilege, System Information Functions
has_language_privilege, System Information Functions
has_schema_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
history
of PostgreSQL, A Brief History of PostgreSQL
host name, Database Connection Control Functions
HP-UX
IPC configuration, Shared Memory and Semaphores
shared library, Compiling and Linking Dynamically-Loaded Functions

I

ident, Ident-based authentication
identifier
length, Identifiers and Key Words
syntax of, Identifiers and Key Words
ident_file configuration parameter, File Locations
IFNULL, COALESCE
IMMUTABLE, Function Volatility Categories
IN, Subquery Expressions, Row and Array Comparisons
index, Indexes
B-tree, Index Types
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
GiST, Introduction
hash, Index Types
locks, Locking and Indexes
multicolumn, Multicolumn Indexes
partial, Partial Indexes
R-tree, Index Types
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
input function, User-Defined Types
of a data type, User-Defined Types
INSERT, Populating a Table With Rows, Inserting Data, INSERT
inserting, Inserting Data
installation, Installation Instructions
on Windows, Requirements, Client-Only Installation on Windows
instr, Porting Examples
int2
see smallint
int4
see integer
int8
see bigint
integer, Numeric Constants, Integer Types
integer_datetimes configuration parameter, Preset Options
interfaces, Externally Developed Interfaces
internal, Pseudo-Types
INTERSECT, Combining Queries
interval, Date/Time Types, Intervals
ipcclean, ipcclean
IRIX
shared library, Compiling and Linking Dynamically-Loaded Functions
IS DISTINCT FROM, Comparison Operators, Row and Array Comparisons, Row-wise Comparison
IS FALSE, Comparison Operators
IS NOT FALSE, Comparison Operators
IS NOT NULL, Comparison Operators, Row and Array Comparisons
IS NOT TRUE, Comparison Operators
IS NOT UNKNOWN, Comparison Operators
IS NULL, Comparison Operators, Row and Array Comparisons, Platform and Client Compatibility
IS TRUE, Comparison Operators
IS UNKNOWN, Comparison Operators
isclosed, Geometric Functions and Operators
isfinite, Date/Time Functions and Operators
ISNULL, Comparison Operators
isopen, Geometric Functions and Operators

J

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

K

Kerberos, Kerberos authentication
key word
list of, SQL Key Words
syntax of, Identifiers and Key Words
krb_caseins_users configuration parameter, Security and Authentication
krb_server_hostname configuration parameter, Security and Authentication
krb_server_keyfile configuration parameter, Security and Authentication
krb_srvname configuration parameter, Security and Authentication

L

label
see alias
language_handler, Pseudo-Types
large object, Large Objects
lastval, Sequence Manipulation 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
ldconfig, Shared Libraries
LEAST, GREATEST and LEAST
determination of result type, UNION, CASE, and Related Constructs
left join, Joined Tables
length, Geometric Functions and Operators
of a binary string
see binary strings, length
of a character string
see character string, length
libperl, Requirements
libpq, libpq - C Library
libpq-fe.h, libpq - C Library, Connection Status Functions
libpq-int.h, Connection Status Functions, Building libpq Programs
libpython, Requirements
LIKE, LIKE
and locales, Behavior
LIMIT, LIMIT and OFFSET
line segment, Line Segments
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
LOAD, LOAD
locale, Creating a Database Cluster, Locale Support
localtime, Date/Time Functions and Operators
localtimestamp, Date/Time Functions and Operators
lock, Explicit Locking, Table-Level Locks, LOCK
monitoring, Viewing Locks
log, Mathematical Functions and Operators
login privilege, Role Attributes
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, When To Log
log_executor_stats configuration parameter, Statistics Monitoring
log_filename configuration parameter, Where To Log
log_hostname configuration parameter, What To Log
log_line_prefix 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_truncate_on_rotation configuration parameter, Where To Log
loop
in PL/pgSQL, Simple Loops
lower, String Functions and Operators
and locales, Behavior
lo_close, Closing a Large Object Descriptor
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_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_unlink, Removing a Large Object, Server-Side Functions
lo_write, Writing Data to a Large Object
lpad, String Functions and Operators
lseg, Line Segments
ltrim, String Functions and Operators

M

MAC address
see macaddr
macaddr (data type), macaddr
MacOS X
IPC configuration, Shared Memory and Semaphores
shared library, Compiling and Linking Dynamically-Loaded Functions
maintenance, Routine Database Maintenance Tasks
maintenance_work_mem configuration parameter, Memory
make, Requirements
MANPATH, Environment Variables
max, Aggregate Functions
max_connections configuration parameter, Connection Settings
max_files_per_process configuration parameter, Kernel Resource Usage
max_fsm_pages configuration parameter, Free Space Map
max_fsm_relations configuration parameter, Free Space Map
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_prepared_transactions configuration parameter, Memory
max_stack_depth configuration parameter, Memory
md5, String Functions and Operators, Password authentication
memory context
in SPI, Memory Management
min, Aggregate Functions
mod, Mathematical Functions and Operators
monitoring
database activity, Monitoring Database Activity
MOVE, MOVE
MVCC, Introduction

N

name
qualified, Creating a Schema
syntax of, Identifiers and Key Words
unqualified, The Schema Search Path
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
network
data types, Network Address Types
nextval, Sequence Manipulation Functions
nonblocking connection, Database Connection Control Functions, Asynchronous Command Processing
nonrepeatable read, Transaction Isolation
NOT (operator), Logical Operators
NOT IN, Subquery Expressions, Row and Array Comparisons
not-null constraint, Not-Null Constraints
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
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, PL/Python Functions
with unique constraints, Unique Constraints
NULLIF, NULLIF
number
constant, Numeric Constants
numeric, Numeric Constants
numeric (data type), Arbitrary Precision Numbers
NVL, COALESCE

O

object identifier
data type, Object Identifier Types
object-oriented database, Concepts
obj_description, System Information Functions
octet_length, String Functions and Operators
OFFSET, LIMIT and OFFSET
oid, Object Identifier Types
column, System Columns
in libpq, Retrieving Result Information for Other Commands
on-line backup, Backup and Restore
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, Lexical Precedence
syntax, Operators
type resolution in an invocation, Operators
user-defined, User-Defined Operators
operator class, Operator Classes, Index Methods and Operator Classes
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
of a data type, User-Defined Types
output function, User-Defined Types
overlay, String Functions and Operators
overloading
functions, Function Overloading
operators, User-Defined Operators
owner, Privileges

P

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
password_encryption configuration parameter, Security and Authentication
PATH, Environment Variables
for schemas, Statement Behavior
path (data type), Paths
pattern matching, Pattern Matching
pclose, Geometric Functions and Operators
performance, Performance Tips
Perl, PL/Perl - Perl Procedural Language
permission
see privilege
pfree, Writing Code
PGcancel, Cancelling Queries in Progress
PGCLIENTENCODING, Environment Variables
PGconn, Database Connection Control Functions
PGCONNECT_TIMEOUT, Environment Variables
PGDATA, Creating a Database Cluster
PGDATABASE, Environment Variables
PGDATESTYLE, Environment Variables
PGGEQO, 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
PGREQUIRESSL, Environment Variables
PGresult, Main Functions
PGSERVICE, Environment Variables
PGSSLMODE, Environment Variables
PGSYSCONFDIR, Environment Variables
PGTZ, Environment Variables
PGUSER, Environment Variables
pgxs, Extension Building Infrastructure
pg_aggregate, pg_aggregate
pg_am, pg_am
pg_amop, pg_amop
pg_amproc, pg_amproc
pg_attrdef, pg_attrdef
pg_attribute, pg_attribute
pg_authid, pg_authid
pg_auth_members, pg_auth_members
pg_autovacuum, pg_autovacuum
pg_cancel_backend, System Administration Functions
pg_cast, pg_cast
pg_class, pg_class
pg_client_encoding, String Functions and Operators
pg_column_size, System Administration Functions
pg_config, pg_config
with libpq, Building libpq Programs
with user-defined C functions, Writing Code
pg_constraint, pg_constraint
pg_controldata, pg_controldata
pg_conversion, pg_conversion
pg_conversion_is_visible, System Information Functions
pg_ctl, Starting the Database Server, pg_ctl
pg_database, Template Databases, pg_database
pg_database_size, System Administration Functions
pg_depend, pg_depend
pg_description, pg_description
pg_dump, pg_dump
pg_dumpall, pg_dumpall
use during upgrade, If You Are Upgrading
pg_function_is_visible, System Information Functions
pg_get_constraintdef, System Information Functions
pg_get_expr, System Information Functions
pg_get_indexdef, 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, Ident Maps
pg_index, pg_index
pg_indexes, pg_indexes
pg_inherits, pg_inherits
pg_language, pg_language
pg_largeobject, pg_largeobject
pg_listener, pg_listener
pg_locks, pg_locks
pg_ls_dir, System Administration Functions
pg_namespace, pg_namespace
pg_opclass, pg_opclass
pg_opclass_is_visible, System Information Functions
pg_operator, pg_operator
pg_operator_is_visible, System Information Functions
pg_pltemplate, pg_pltemplate
pg_postmaster_start_time, System Information Functions
pg_prepared_xacts, pg_prepared_xacts
pg_proc, pg_proc
pg_read_file, 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_service.conf, The Connection Service File
pg_settings, pg_settings
pg_shadow, pg_shadow
pg_shdepend, pg_shdepend
pg_size_pretty, System Administration Functions
pg_start_backup, System Administration Functions
pg_statistic, Statistics Used by the Planner, pg_statistic
pg_stats, Statistics Used by the Planner, pg_stats
pg_stat_file, System Administration Functions
pg_stop_backup, 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_total_relation_size, System Administration Functions
pg_trigger, pg_trigger
pg_type, pg_type
pg_type_is_visible, System Information Functions
pg_user, pg_user
pg_views, pg_views
phantom read, Transaction Isolation
PIC, Compiling and Linking Dynamically-Loaded Functions
PID
determining PID of server process
in libpq, Connection Status Functions
PITR, Backup and Restore
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
point, Points
point-in-time recovery, Backup and Restore
polygon, Polygons
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
POSTGRES, The Berkeley POSTGRES Project, Creating a Database
postgres (the program), postgres
postgres user, The PostgreSQL User Account
Postgres95, Postgres95
postgresql.conf, Setting Parameters
postmaster, Architectural Fundamentals, Starting the Database Server, postmaster
power, Mathematical Functions and Operators
PQbackendPID, Connection Status Functions
PQbinaryTuples, Retrieving Query Result Information
with COPY, Functions Associated with the COPY Command
PQcancel, Cancelling Queries in Progress
PQclear, Main Functions
PQcmdStatus, Retrieving Result Information for Other Commands
PQcmdTuples, Retrieving Result Information for Other Commands
PQconndefaults, Database Connection Control Functions
PQconnectdb, Database Connection Control Functions
PQconnectPoll, Database Connection Control Functions
PQconnectStart, Database Connection Control Functions
PQconsumeInput, Asynchronous Command Processing
PQdb, Connection Status Functions
PQendcopy, Obsolete Functions for COPY
PQerrorMessage, Connection Status Functions
PQescapeBytea, Escaping Binary Strings for Inclusion in SQL Commands
PQescapeByteaConn, Escaping Binary 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
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, Cancelling Queries in Progress
PQfreemem, Escaping Binary Strings for Inclusion in SQL Commands
PQfsize, Retrieving Query Result Information
PQftable, Retrieving Query Result Information
PQftablecol, Retrieving Query Result Information
PQftype, Retrieving Query Result Information
PQgetCancel, Cancelling 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
PQisBusy, Asynchronous Command Processing
PQisnonblocking, Asynchronous Command Processing
PQmakeEmptyPGresult, Main Functions
PQnfields, Retrieving Query Result Information
with COPY, Functions Associated with the COPY Command
PQnotifies, Asynchronous Notification
PQntuples, Retrieving Query Result Information
PQoidStatus, Retrieving Result Information for Other Commands
PQoidValue, Retrieving Result Information for Other Commands
PQoptions, Connection Status Functions
PQparameterStatus, Connection Status Functions
PQpass, Connection Status 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
PQrequestCancel, Cancelling Queries in Progress
PQreset, Database Connection Control Functions
PQresetPoll, Database Connection Control Functions
PQresetStart, Database Connection Control Functions
PQresStatus, Main Functions
PQresultErrorField, Main Functions
PQresultErrorMessage, Main Functions
PQresultStatus, Main Functions
PQsendPrepare, Asynchronous Command Processing
PQsendQuery, Asynchronous Command Processing
PQsendQueryParams, Asynchronous Command Processing
PQsendQueryPrepared, Asynchronous Command Processing
PQserverVersion, Connection Status Functions
PQsetdb, Database Connection Control Functions
PQsetdbLogin, Database Connection Control Functions
PQsetErrorVerbosity, Control Functions
PQsetnonblocking, Asynchronous Command Processing
PQsetNoticeProcessor, Notice Processing
PQsetNoticeReceiver, Notice Processing
PQsocket, Connection Status Functions
PQstatus, Connection Status Functions
PQtrace, Control Functions
PQtransactionStatus, Connection Status Functions
PQtty, Connection Status Functions
PQunescapeBytea, Escaping Binary Strings for Inclusion in SQL Commands
PQuntrace, Control Functions
PQuser, Connection Status Functions
predicate locking, Serializable Isolation versus True Serializability
preload_libraries configuration parameter, Kernel Resource Usage
PREPARE, PREPARE
PREPARE TRANSACTION, PREPARE TRANSACTION
prepared statements
creating, PREPARE
executing, EXECUTE
removing, DEALLOCATE
showing the query plan, EXPLAIN
preparing a query
in PL/Tcl, Database Access from PL/Tcl
in PL/pgSQL, Overview
in PL/Python, Database Access
pre_auth_delay configuration parameter, Developer Options
primary key, Primary Keys
privilege, Privileges, Privileges
querying, System Information Functions
with rules, Rules and Privileges
for schemas, Schemas and Privileges
with views, Rules and Privileges
procedural language, Procedural Languages
handler for, Writing A Procedural Language Handler
ps
to monitor activity, Standard Unix Tools
psql, Accessing a Database, psql
Python, PL/Python - Python Procedural Language

Q

qualified name, Creating a Schema
query, Querying a Table, Queries
query plan, Using EXPLAIN
query tree, The Query Tree
quotation marks
and identifiers, Identifiers and Key Words
escaping, String Constants
quote_ident, String Functions and Operators
use in PL/PgSQL, Executing Dynamic Commands
quote_literal, String Functions and Operators
use in PL/PgSQL, Executing Dynamic Commands

R

R-tree
see index
radians, Mathematical Functions and Operators
radius, Geometric Functions and Operators
RAISE, Errors and Messages
random, Mathematical Functions and Operators
random_page_cost configuration parameter, Planner Cost Constants
range table, The Query Tree
read-only transaction, Statement Behavior
readline, Requirements
real, Floating-Point Types
record, Pseudo-Types
rectangle, Boxes
redirect_stderr configuration parameter, Where To Log
referential integrity, Foreign Keys, Foreign Keys
regclass, Object Identifier Types
regexp_replace, SIMILAR TO Regular Expressions
regex_flavor configuration parameter, Previous PostgreSQL Versions
regoper, Object Identifier Types
regoperator, Object Identifier Types
regproc, Object Identifier Types
regprocedure, Object Identifier Types
regression test, Installation Procedure
regression tests, Regression Tests
regtype, Object Identifier Types
regular expression, SIMILAR TO Regular Expressions, POSIX Regular Expressions
see also pattern matching
regular expressions, Previous PostgreSQL Versions
reindex, Routine Reindexing, REINDEX
reindexdb, reindexdb
relation, Concepts
relational database, Concepts
RELEASE SAVEPOINT, RELEASE SAVEPOINT
repeat, String Functions and Operators
replace, String Functions and Operators
reporting errors
in PL/PgSQL, Errors and Messages
RESET, RESET
RESTRICT
with DROP, Dependency Tracking
foreign key action, Foreign Keys
REVOKE, Privileges, REVOKE
right join, Joined Tables
role, Database Roles
membership in, Role Membership
privilege to create, Role Attributes
ROLLBACK, ROLLBACK
psql, Variables
ROLLBACK PREPARED, ROLLBACK PREPARED
ROLLBACK TO SAVEPOINT, ROLLBACK TO SAVEPOINT
round, Mathematical Functions and Operators
row, Concepts, Row Constructors, Table Basics
row estimation
planner, Row Estimation Examples
row type, Composite Types
constructor, Row Constructors
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

S

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 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
SELECT, Querying a Table, Queries, SELECT
select list, Select Lists
SELECT INTO, SELECT INTO
in PL/pgSQL, SELECT INTO
semaphores, Shared Memory and Semaphores
sequence, Sequence Manipulation Functions
and serial type, Serial Types
sequential scan, Planner Method Configuration
serial, Serial Types
serial4, Serial Types
serial8, Serial Types
serializability, Serializable Isolation versus True Serializability
server log, Error Reporting and Logging
log file maintenance, Log File Maintenance
server_encoding configuration parameter, Preset Options
server_version configuration parameter, Preset Options
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
SETOF, Query Language (SQL) Functions
see also function
setseed, Mathematical Functions and Operators
setval, Sequence Manipulation Functions
set_bit, Binary String Functions and Operators
set_byte, Binary String Functions and Operators
shared library, Shared Libraries, Compiling and Linking Dynamically-Loaded Functions
shared memory, Shared Memory and Semaphores
shared_buffers configuration parameter, Memory
SHMMAX, Shared Memory and Semaphores
SHOW, System Administration Functions, SHOW
shutdown, Shutting Down the Server
SIGHUP, Setting Parameters, The pg_hba.conf file, Ident 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, When To Log
SIMILAR TO, SIMILAR TO Regular Expressions
sin, Mathematical Functions and Operators
sliced bread
see TOAST
smallint, Integer Types
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
SPI_connect, SPI_connect
SPI_copytuple, SPI_copytuple
SPI_cursor_close, SPI_cursor_close
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_exec, SPI_exec
SPI_execp, SPI_execp
SPI_execute, SPI_execute
SPI_execute_plan, SPI_execute_plan
spi_exec_query
in PL/Perl, Database Access from PL/Perl
SPI_finish, SPI_finish
SPI_fname, SPI_fname
SPI_fnumber, SPI_fnumber
SPI_freeplan, SPI_freeplan
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
SPI_push, SPI_push
SPI_repalloc, SPI_repalloc
SPI_returntuple, SPI_returntuple
SPI_saveplan, SPI_saveplan
split_part, String Functions and Operators
sql_inheritance configuration parameter, Previous PostgreSQL Versions
sqrt, Mathematical Functions and Operators
ssh, Secure TCP/IP Connections with SSH Tunnels
SSL, Secure TCP/IP Connections with SSL, SSL Support
with libpq, Database Connection Control Functions, Connection Status Functions
ssl configuration parameter, Security and Authentication
STABLE, Function Volatility Categories
standard deviation, Aggregate Functions
standard_conforming_strings configuration parameter, Preset Options
START TRANSACTION, START TRANSACTION
statement_timeout configuration parameter, Statement Behavior
statistics, The Statistics Collector
of the planner, Statistics Used by the Planner, Updating planner statistics
stats_block_level configuration parameter, Query and Index Statistics Collector
stats_command_string configuration parameter, Query and Index Statistics Collector
stats_reset_on_server_start configuration parameter, Query and Index Statistics Collector
stats_row_level configuration parameter, Query and Index Statistics Collector
stats_start_collector configuration parameter, Query and Index Statistics Collector
string
see character string
strings
backslash quotes, Previous PostgreSQL Versions
escape, Previous PostgreSQL Versions, Preset Options
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
sum, Aggregate Functions
superuser, Accessing a Database, Role Attributes
superuser_reserved_connections configuration parameter, Connection Settings
syntax
SQL, SQL Syntax
syslog_facility configuration parameter, Where To Log
syslog_identity configuration parameter, Where To Log
system catalog
schema, The System Catalog Schema

T

table, Concepts, Table Basics
creating, Table Basics
inheritance, Inheritance
modifying, Modifying Tables
partitioning, Partitioning
removing, Table Basics
renaming, Renaming a Table
table expression, Table Expressions
table function, Table Functions
tableoid, System Columns
tablespace, Tablespaces
default, 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
test, Regression Tests
text, Character 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
Australian, Locale and Formatting
configuration names, Date/Time Key Words
conversion, AT TIME ZONE
input abbreviations, Date/Time Key Words
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
timezone configuration parameter, Locale and Formatting
TOAST, TOAST
and user-defined types, User-Defined Types
per-column storage settings, Description
versus large objects, History
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
trace_notify configuration parameter, Developer Options
trace_sort configuration parameter, Developer Options
transaction, Transactions
transaction ID
wraparound, Preventing transaction ID wraparound failures
transaction isolation, Transaction Isolation
transaction isolation level, Transaction Isolation, Statement Behavior
read committed, Read Committed Isolation Level
serializable, Serializable Isolation Level
transaction log
see WAL
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
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
trim, String Functions and Operators
Tru64 UNIX
shared library, Compiling and Linking Dynamically-Loaded Functions
true, Boolean Type
trunc, Mathematical Functions and Operators
TRUNCATE, TRUNCATE
trusted
PL/Perl, Trusted and Untrusted PL/Perl
type
see data type
polymorphic, Polymorphic Types
type cast, Numeric Constants, Type Casts

U

UNION, Combining Queries
determination of result type, UNION, CASE, and Related Constructs
unique constraint, Unique Constraints
Unix domain socket, Database Connection Control Functions
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
unqualified name, The Schema Search Path
UPDATE, Updates, Updating Data, UPDATE
updating, Updating Data
upgrading, If You Are Upgrading, Migration Between Releases
upper, String Functions and Operators
and locales, Behavior
user, Database Roles
current, System Information Functions

V

vacuum, Routine Vacuuming, VACUUM
vacuumdb, vacuumdb
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
value expression, Value Expressions
varchar, Character Types
variance, Aggregate Functions
version, Accessing a Database, System Information Functions
compatibility, Migration Between Releases
view, Views
implementation through rules, Views and the Rule System
updating, Cooperation with Views
void, Pseudo-Types
VOLATILE, Function Volatility Categories
volatility
functions, Function Volatility Categories

W

WAL, Reliability and the Write-Ahead Log
wal_buffers configuration parameter, Settings
wal_debug configuration parameter, Developer Options
wal_sync_method configuration parameter, Settings
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
work_mem configuration parameter, Memory

X

xid, Object Identifier Types
xmax, System Columns
xmin, System Columns

Y

yacc, Requirements

Z

zero_damaged_pages configuration parameter, Developer Options
zlib, Requirements, Installation Procedure
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