ROLLBACK ROLLBACK 7 SQL - Language Statements ROLLBACK abort the current transaction ROLLBACK [ WORK | TRANSACTION ] ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded. WORK TRANSACTION Optional key words. They have no effect. Use to successfully terminate a transaction. Issuing ROLLBACK outside of a transaction block emits a warning and otherwise has no effect. To abort all changes: ROLLBACK; The SQL standard only specifies the two forms ROLLBACK and ROLLBACK WORK. Otherwise, this command is fully conforming.