ROLLBACK

Function

Rolls back the current transaction and backs out all updates in the transaction.

ROLLBACK backs out of all changes that a transaction makes to a database if the transaction fails to be executed due to a fault.

Precautions

If a ROLLBACK statement is executed out of a transaction, no error occurs, but a warning information is displayed.

Syntax

1

ROLLBACK [ WORK | TRANSACTION ];

Parameter Description

WORK | TRANSACTION

This keyword is optional and only improves readability, with no effect on the ROLLBACK operation.

Examples

Undo all changes in the current transaction:

1

ROLLBACK;

Helpful Links

COMMIT | END