ROLLBACK [ WORK ]
None.
Message returned if successful.
If there is not any transaction currently in progress.
ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded.
The keyword WORK is noise and can be omitted.
Use the COMMIT statement to successfully terminate a transaction.
--To abort all changes: -- ROLLBACK WORK;
Full compatibility.
Read the upstream documentation. For corrections, first check the current manual.