Multiple choice

Which of the following is/are used by the recovery process when the transaction operations do not update the physical database instantly?

  1. Write-ahead

  2. Redundant transaction logs

  3. Database buffer

  4. Deferred-write and deferred-update

  5. Write-through

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Deferred-write and deferred-update are used by the recovery process when the transaction operations do not update the physical database instantly.