This page in other versions: 9.1 / 9.2 / 9.3 / 9.4 / 9.5 / current (9.6)  |  Development versions: devel  |  Unsupported versions: 7.1 / 7.2 / 7.3 / 7.4 / 8.0 / 8.1 / 8.2 / 8.3 / 8.4 / 9.0

I. SQL Commands

This part contains reference information for the SQL commands supported by PostgreSQL. By "SQL" the language in general is meant; information about the standards conformance and compatibility of each command can be found on the respective reference page.

Table of Contents
ABORT -- abort the current transaction
ALTER AGGREGATE -- change the definition of an aggregate function
ALTER CONVERSION -- change the definition of a conversion
ALTER DATABASE -- change a database
ALTER DOMAIN --  change the definition of a domain
ALTER FUNCTION -- change the definition of a function
ALTER GROUP -- change a user group
ALTER INDEX -- change the definition of an index
ALTER LANGUAGE -- change the definition of a procedural language
ALTER OPERATOR -- change the definition of an operator
ALTER OPERATOR CLASS -- change the definition of an operator class
ALTER SCHEMA -- change the definition of a schema
ALTER SEQUENCE --  change the definition of a sequence generator
ALTER TABLE -- change the definition of a table
ALTER TABLESPACE -- change the definition of a tablespace
ALTER TRIGGER -- change the definition of a trigger
ALTER TYPE --  change the definition of a type
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 a file and a table
CREATE AGGREGATE -- define a new aggregate function
CREATE CAST -- define a new cast
CREATE CONSTRAINT TRIGGER -- define a new constraint trigger
CREATE CONVERSION -- define a new encoding conversion
CREATE DATABASE -- create a new database
CREATE DOMAIN -- define a new domain
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 OPERATOR CLASS -- define a new operator class
CREATE RULE -- define a new rewrite rule
CREATE SCHEMA -- define a new schema
CREATE SEQUENCE -- define a new sequence generator
CREATE TABLE -- define a new table
CREATE TABLE AS -- define a new table from the results of a query
CREATE TABLESPACE -- define a new tablespace
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
DEALLOCATE -- deallocate a prepared statement
DECLARE -- define a cursor
DELETE -- delete rows of a table
DROP AGGREGATE -- remove an aggregate function
DROP CAST -- remove a cast
DROP CONVERSION -- remove a conversion
DROP DATABASE -- remove a database
DROP DOMAIN -- remove a domain
DROP FUNCTION -- remove a function
DROP GROUP -- remove a user group
DROP INDEX -- remove an index
DROP LANGUAGE -- remove a procedural language
DROP OPERATOR -- remove an operator
DROP OPERATOR CLASS -- remove an operator class
DROP RULE -- remove a rewrite rule
DROP SCHEMA -- remove a schema
DROP SEQUENCE -- remove a sequence
DROP TABLE -- remove a table
DROP TABLESPACE -- remove a tablespace
DROP TRIGGER -- remove a trigger
DROP TYPE -- remove a data type
DROP USER -- remove a database user account
DROP VIEW -- remove a view
END -- commit the current transaction
EXECUTE -- execute a prepared statement
EXPLAIN -- show the execution plan of a statement
FETCH -- retrieve rows from a query 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 -- lock a table
MOVE -- position a cursor
NOTIFY -- generate a notification
PREPARE -- prepare a statement for execution
REINDEX -- rebuild indexes
RELEASE SAVEPOINT -- destroy a previously defined savepoint
RESET -- restore the value of a run-time parameter to the default value
REVOKE -- remove access privileges
ROLLBACK -- abort the current transaction
ROLLBACK TO SAVEPOINT -- roll back to a savepoint
SAVEPOINT -- define a new savepoint within the current transaction
SELECT -- retrieve rows from a table or view
SELECT INTO -- define a new table from the results of a query
SET -- change a run-time parameter
SET CONSTRAINTS -- set constraint checking modes for 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
START TRANSACTION -- start a transaction block
TRUNCATE -- empty a table
UNLISTEN -- stop listening for a notification
UPDATE -- update rows of a table
VACUUM -- garbage-collect and optionally analyze a database

Submit correction

If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.

Privacy Policy | About PostgreSQL
Copyright © 1996-2016 The PostgreSQL Global Development Group