ROLLBACK
SQL - Language Statements
ROLLBACK
abort the current transaction
ROLLBACK
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.
Diagnostics
ROLLBACK
Message returned if successful.
WARNING: ROLLBACK: no transaction in progress
If there is not any transaction currently in progress.
Notes
Use to
successfully terminate a transaction.
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.