engineering computer science MCQ #870

Which database recovery technique involves maintaining a log of changes?

engineering computer science MCQ #870

  1. Question 1

    Q1. Which database recovery technique involves maintaining a log of changes?

    • A) Shadow paging
    • B) Log-based recovery
    • C) Checkpointing
    • D) Backup and restore

    Answer: Log-based recovery

    Explanation: Log-based recovery involves maintaining a log of changes, allowing the database to recover from failures by reapplying or undoing changes.