57. Which of the following transaction processing properties ensures once a transaction completes successfully (commits), the updates survive even if there is a system failure?

Вариант ответа 1 - A. Atomicity.

Вариант ответа 2 - B. Consistency.

Вариант ответа 3 - C. Isolation.

Вариант ответа 4 - D. Durability.