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