ROLLBACK SQL - Language Statements ROLLBACK Aborts the current transaction 1999-07-20 ROLLBACK [ WORK | TRANSACTION ] 1998-09-24 None. 1998-09-24 ABORT Message returned if successful. NOTICE: UserAbortTransactionBlock and not in in-progress state ABORT If there is not any transaction currently in progress. 1998-09-24 ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded. 1998-09-24 The keywords WORK and TRANSACTION are noise and can be omitted. Use to successfully terminate a transaction. is a synonym for ROLLBACK. To abort all changes: ROLLBACK WORK; 1998-09-24 Full compatibility. The TRANSACTION keyword is a Postgres extension.