ABORT SQL - Language Statements ABORT abort the current transaction 1999-07-20 ABORT [ WORK | TRANSACTION ] 1998-09-27 None. 1998-09-27 ROLLBACK Message returned if successful. WARNING: ROLLBACK: no transaction in progress If there is not any transaction currently in progress. 1998-09-27 ABORT rolls back the current transaction and causes all the updates made by the transaction to be discarded. This command is identical in behavior to the SQL92 command ROLLBACK, and is present only for historical reasons. 1998-09-27 Use COMMIT to successfully terminate a transaction. To abort all changes: ABORT WORK; 1998-09-27 This command is a PostgreSQL extension present for historical reasons. ROLLBACK is the SQL92 equivalent command.