ROLLBACK
ROLLBACK — abort the current transaction
Synopsis
ROLLBACK [ AUTONOMOUS ] [ WORK | TRANSACTION ]
Description
ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded.
Parameters
AUTONOMOUSOptional key word that can be used when aborting an autonomous transaction. For details on autonomous transactions, seeChapter 16.
WORKTRANSACTIONOptional key words. They have no effect.
Notes
UseCOMMIT to successfully terminate a transaction.
IssuingROLLBACK 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 formsROLLBACK andROLLBACK WORK. Otherwise, this command is fully conforming.