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 POLICY — change the definition of a row-level security policy
 - ALTER PROCEDURE — change the definition of a procedure
 - ALTER PUBLICATION — change the definition of a publication
 - ALTER ROLE — change a database role
 - ALTER ROUTINE — change the definition of a routine
 - 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 STATISTICS — change the definition of an extended statistics object
 - ALTER SUBSCRIPTION — change the definition of a subscription
 - 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
 - CALL — invoke a procedure
 - CHECKPOINT — force a write-ahead 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 ACCESS METHOD — define a new access method
 - 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 POLICY — define a new row-level security policy for a table
 - CREATE PROCEDURE — define a new procedure
 - CREATE PUBLICATION — define a new publication
 - 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 STATISTICS — define extended statistics
 - CREATE SUBSCRIPTION — define a new subscription
 - 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 TRANSFORM — define a new transform
 - 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 ACCESS METHOD — remove an access method
 - 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 POLICY — remove a row-level security policy from a table
 - DROP PROCEDURE — remove a procedure
 - DROP PUBLICATION — remove a publication
 - DROP ROLE — remove a database role
 - DROP ROUTINE — remove a routine
 - DROP RULE — remove a rewrite rule
 - DROP SCHEMA — remove a schema
 - DROP SEQUENCE — remove a sequence
 - DROP SERVER — remove a foreign server descriptor
 - DROP STATISTICS — remove extended statistics
 - DROP SUBSCRIPTION — remove a subscription
 - 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 TRANSFORM — remove a transform
 - 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
 - IMPORT FOREIGN SCHEMA — import table definitions from a foreign server
 - INSERT — create new rows in a table
 - LISTEN — listen for a notification
 - LOAD — load a shared library file
 - LOCK — lock a table
 - MERGE — conditionally insert, update, or delete rows of 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
  - ALTER AGGREGATE — change the definition of an aggregate function