forked from docs/doc-exports
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
3.4 KiB
3.4 KiB
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
Optional keyword that more clearly illustrates the syntax.
Examples
Undo all changes in the current transaction.
1 | ROLLBACK; |
Helpful Links
Parent topic: TCL Syntax