PostgreSQL 7.2.1 Reference Manual

The PostgreSQL Global Development Group

Table of Contents

Preface

I. SQL Commands

ABORT -- abort the current transaction
ALTER GROUP -- add users to a group or remove users from a group
ALTER TABLE -- change the definition of a table
ALTER USER -- change a database user account
ANALYZE -- collect statistics about a database
BEGIN -- start a transaction block
CHECKPOINT -- force a transaction log checkpoint
CLOSE -- close a cursor
CLUSTER -- cluster a table according to an index
COMMENT -- define or change the comment of an object
COMMIT -- commit the current transaction
COPY -- copy data between files and tables
CREATE AGGREGATE -- define a new aggregate function
CREATE CONSTRAINT TRIGGER -- define a new constraint trigger
CREATE DATABASE -- create a new database
CREATE FUNCTION -- define a new function
CREATE GROUP -- define a new user group
CREATE INDEX -- define a new index
CREATE LANGUAGE -- define a new procedural language
CREATE OPERATOR -- define a new operator
CREATE RULE -- define a new rewrite rule
CREATE SEQUENCE -- define a new sequence generator
CREATE TABLE -- define a new table
CREATE TABLE AS -- create a new table from the results of a query
CREATE TRIGGER -- define a new trigger
CREATE TYPE -- define a new data type
CREATE USER -- define a new database user account
CREATE VIEW -- define a new view
DECLARE -- define a cursor
DELETE -- delete rows of a table
DROP AGGREGATE -- remove a user-defined aggregate function
DROP DATABASE -- remove a database
DROP FUNCTION -- remove a user-defined function
DROP GROUP -- remove a user group
DROP INDEX -- remove an index
DROP LANGUAGE -- remove a user-defined procedural language
DROP OPERATOR -- remove a user-defined operator
DROP RULE -- remove a rewrite rule
DROP SEQUENCE -- remove a sequence
DROP TABLE -- remove a table
DROP TRIGGER -- remove a trigger
DROP TYPE -- remove a user-defined data type
DROP USER -- remove a database user account
DROP VIEW -- remove a view
END -- commit the current transaction
EXPLAIN -- show the execution plan of a statement
FETCH -- retrieve rows from a table using a cursor
GRANT -- define access privileges
INSERT -- create new rows in a table
LISTEN -- listen for a notification
LOAD -- load or reload a shared library file
LOCK -- explicitly lock a table
MOVE -- position a cursor on a specified row of a table
NOTIFY -- generate a notification
REINDEX -- rebuild corrupted indexes
RESET -- restore the value of a run-time parameter to a default value
REVOKE -- remove access privileges
ROLLBACK -- abort the current transaction
SELECT -- retrieve rows from a table or view
SELECT INTO -- create a new table from the results of a query
SET -- change a run-time parameter
SET CONSTRAINTS -- set the constraint mode of the current transaction
SET SESSION AUTHORIZATION -- set the session user identifier and the current user identifier of the current session
SET TRANSACTION -- set the characteristics of the current transaction
SHOW -- show the value of a run-time parameter
TRUNCATE -- empty a table
UNLISTEN -- stop listening for a notification
UPDATE -- update rows of a table
VACUUM -- garbage-collect and optionally analyze a database

II. PostgreSQL Client Applications

createdb -- create a new PostgreSQL database
createlang -- define a new PostgreSQL procedural language
createuser -- define a new PostgreSQL user account
dropdb -- remove a PostgreSQL database
droplang -- remove a PostgreSQL procedural language
dropuser -- remove a PostgreSQL user account
ecpg -- embedded SQL C preprocessor
pgaccess -- a graphical PostgreSQL client application
pg_config -- retrieve information about the installed version of PostgreSQL
pg_dump -- extract a PostgreSQL database into a script file or other archive file
pg_dumpall -- extract all PostgreSQL databases into a script file
pg_restore -- restore a PostgreSQL database from an archive file created by pg_dump
psql -- PostgreSQL interactive terminal
pgtclsh -- PostgreSQL Tcl shell client
pgtksh -- PostgreSQL Tcl/Tk shell client
vacuumdb -- garbage-collect and analyze a PostgreSQL database

III. PostgreSQL Server Applications

initdb -- create a new PostgreSQL database cluster
initlocation -- create a secondary PostgreSQL database storage area
ipcclean -- remove shared memory and semaphores from an aborted PostgreSQL server
pg_ctl -- start, stop, or restart a PostgreSQL server
pg_passwd -- change a secondary PostgreSQL password file
postgres -- run a PostgreSQL server in single-user mode
postmaster -- PostgreSQL multiuser database server

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