Undo a transaction, completely or to a savepoint.
Syntax ROLLBACK TRAN[SACTION [option] [;] ROLLBACK [WORK] [;] Options transaction @tranaction_variable savepoint @savepoint_variable Key Transaction Name assigned to the transaction on BEGIN TRANSACTION. @Transaction User-defined variable containing a valid transaction name. savepoint Savepoint name from a SAVE TRANSACTION statement. @savepoint_var User-defined variable containing a valid savepoint name. WORK SQL 92 Compatibility
A transaction cannot be rolled back after COMMIT TRANSACTION is executed.
ROLLBACK;
"All that is gold does not glitter, Not all those who wander are lost;" ~ J. R. R. Tolkien
COMMIT
Equivalent Oracle command: ROLLBACK