ROLLBACK
Name
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
- WORK
TRANSACTION Optional key words. They have no effect.
Notes
Use COMMIT to
successfully terminate a transaction.
Issuing ROLLBACK when not inside a transaction does
no harm, but it will provoke a warning message.
Examples
To abort all changes:
ROLLBACK;
Compatibility
The SQL standard only specifies two forms
ROLLBACK and ROLLBACK
WORK. Otherwise, this command is fully conforming.