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 COLLATION -- change the definition of a collation
- ALTER CONVERSION -- change the definition of a conversion
- ALTER DATABASE -- change a database
- ALTER DEFAULT PRIVILEGES -- define default access privileges
- ALTER DOMAIN -- change the definition of a domain
- ALTER EVENT TRIGGER -- change the definition of an event trigger
- ALTER EXTENSION -- change the definition of an extension
- ALTER FOREIGN DATA WRAPPER -- change the definition of a foreign-data wrapper
- ALTER FOREIGN TABLE -- change the definition of a foreign table
- ALTER FUNCTION -- change the definition of a function
- ALTER GROUP -- change role name or membership
- ALTER INDEX -- change the definition of an index
- ALTER LANGUAGE -- change the definition of a procedural language
- ALTER LARGE OBJECT -- change the definition of a large object
- ALTER MATERIALIZED VIEW -- change the definition of a materialized view
- ALTER OPERATOR -- change the definition of an operator
- ALTER OPERATOR CLASS -- change the definition of an operator class
- ALTER OPERATOR FAMILY -- change the definition of an operator family
- ALTER ROLE -- change a database role
- ALTER RULE -- change the definition of a rule
- ALTER SCHEMA -- change the definition of a schema
- ALTER SEQUENCE -- change the definition of a sequence generator
- ALTER SERVER -- change the definition of a foreign server
- ALTER SYSTEM -- change a server configuration parameter
- ALTER TABLE -- change the definition of a table
- ALTER TABLESPACE -- change the definition of a tablespace
- ALTER TEXT SEARCH CONFIGURATION -- change the definition of a text search configuration
- ALTER TEXT SEARCH DICTIONARY -- change the definition of a text search dictionary
- ALTER TEXT SEARCH PARSER -- change the definition of a text search parser
- ALTER TEXT SEARCH TEMPLATE -- change the definition of a text search template
- ALTER TRIGGER -- change the definition of a trigger
- ALTER TYPE -- change the definition of a type
- ALTER USER -- change a database role
- ALTER USER MAPPING -- change the definition of a user mapping
- ALTER VIEW -- change the definition of a view
- 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
- COMMIT PREPARED -- commit a transaction that was earlier prepared for two-phase commit
- COPY -- copy data between a file and a table
- CREATE AGGREGATE -- define a new aggregate function
- CREATE CAST -- define a new cast
- CREATE COLLATION -- define a new collation
- CREATE CONVERSION -- define a new encoding conversion
- CREATE DATABASE -- create a new database
- CREATE DOMAIN -- define a new domain
- CREATE EVENT TRIGGER -- define a new event trigger
- CREATE EXTENSION -- install an extension
- CREATE FOREIGN DATA WRAPPER -- define a new foreign-data wrapper
- CREATE FOREIGN TABLE -- define a new foreign table
- CREATE FUNCTION -- define a new function
- CREATE GROUP -- define a new database role
- CREATE INDEX -- define a new index
- CREATE LANGUAGE -- define a new procedural language
- CREATE MATERIALIZED VIEW -- define a new materialized view
- CREATE OPERATOR -- define a new operator
- CREATE OPERATOR CLASS -- define a new operator class
- CREATE OPERATOR FAMILY -- define a new operator family
- CREATE ROLE -- define a new database role
- CREATE RULE -- define a new rewrite rule
- CREATE SCHEMA -- define a new schema
- CREATE SEQUENCE -- define a new sequence generator
- CREATE SERVER -- define a new foreign server
- 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 TEXT SEARCH CONFIGURATION -- define a new text search configuration
- CREATE TEXT SEARCH DICTIONARY -- define a new text search dictionary
- CREATE TEXT SEARCH PARSER -- define a new text search parser
- CREATE TEXT SEARCH TEMPLATE -- define a new text search template
- CREATE TRIGGER -- define a new trigger
- CREATE TYPE -- define a new data type
- CREATE USER -- define a new database role
- CREATE USER MAPPING -- define a new mapping of a user to a foreign server
- CREATE VIEW -- define a new view
- DEALLOCATE -- deallocate a prepared statement
- DECLARE -- define a cursor
- DELETE -- delete rows of a table
- DISCARD -- discard session state
- DO -- execute an anonymous code block
- DROP AGGREGATE -- remove an aggregate function
- DROP CAST -- remove a cast
- DROP COLLATION -- remove a collation
- DROP CONVERSION -- remove a conversion
- DROP DATABASE -- remove a database
- DROP DOMAIN -- remove a domain
- DROP EVENT TRIGGER -- remove an event trigger
- DROP EXTENSION -- remove an extension
- DROP FOREIGN DATA WRAPPER -- remove a foreign-data wrapper
- DROP FOREIGN TABLE -- remove a foreign table
- DROP FUNCTION -- remove a function
- DROP GROUP -- remove a database role
- DROP INDEX -- remove an index
- DROP LANGUAGE -- remove a procedural language
- DROP MATERIALIZED VIEW -- remove a materialized view
- DROP OPERATOR -- remove an operator
- DROP OPERATOR CLASS -- remove an operator class
- DROP OPERATOR FAMILY -- remove an operator family
- DROP OWNED -- remove database objects owned by a database role
- DROP ROLE -- remove a database role
- DROP RULE -- remove a rewrite rule
- DROP SCHEMA -- remove a schema
- DROP SEQUENCE -- remove a sequence
- DROP SERVER -- remove a foreign server descriptor
- DROP TABLE -- remove a table
- DROP TABLESPACE -- remove a tablespace
- DROP TEXT SEARCH CONFIGURATION -- remove a text search configuration
- DROP TEXT SEARCH DICTIONARY -- remove a text search dictionary
- DROP TEXT SEARCH PARSER -- remove a text search parser
- DROP TEXT SEARCH TEMPLATE -- remove a text search template
- DROP TRIGGER -- remove a trigger
- DROP TYPE -- remove a data type
- DROP USER -- remove a database role
- DROP USER MAPPING -- remove a user mapping for a foreign server
- 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 a shared library file
- LOCK -- lock a table
- MOVE -- position a cursor
- NOTIFY -- generate a notification
- PREPARE -- prepare a statement for execution
- PREPARE TRANSACTION -- prepare the current transaction for two-phase commit
- REASSIGN OWNED -- change the ownership of database objects owned by a database role
- REFRESH MATERIALIZED VIEW -- replace the contents of a materialized view
- 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 PREPARED -- cancel a transaction that was earlier prepared for two-phase commit
- ROLLBACK TO SAVEPOINT -- roll back to a savepoint
- SAVEPOINT -- define a new savepoint within the current transaction
- SECURITY LABEL -- define or change a security label applied to an object
- 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 check timing for the current transaction
- SET ROLE -- set the current user identifier of the current session
- 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 or set of tables
- UNLISTEN -- stop listening for a notification
- UPDATE -- update rows of a table
- VACUUM -- garbage-collect and optionally analyze a database
- VALUES -- compute a set of rows
- ABORT -- abort the current transaction