TRUNCATE TRUNCATE — empty a table or set of tables Synopsis TRUNCATE [ TABLE ] [ ONLY ] name [ …| PostgreSQL Documentation
CLUSTER CLUSTER — cluster a table according to an index Synopsis CLUSTER [ ( option [, ...] ) ] [ …| PostgreSQL Documentation
vacuumdb vacuumdb — garbage-collect and analyze a PostgreSQL database Synopsis vacuumdb [connection-option...] [option...] [ -t | --table table [( column …| PostgreSQL Documentation
ALTER TABLE ALTER TABLE — change the definition of a table Synopsis ALTER TABLE [ IF EXISTS ] [ ONLY …| PostgreSQL Documentation