If an error occurs that prevents a transaction from completing, transaction-based logging allows the system to "________" the system to the state before the transaction began.
A) roll back
B) unwind
C) reset
D) restore

Question

Quizplus · Accepted Answer

Transaction-based logging allows the system to "roll back" to the state before the transaction began, ensuring data integrity by undoing any partial changes made during the transaction.

If an Error Occurs That Prevents a Transaction from Completing