Multiple choice

Which of the following approaches grants all S locks waiting, then one U lock and grants X lock if others are waiting?

  1. First-come-first-served

  2. Shared lock priority

  3. Upgrading priority

  4. Timestamp resolution

  5. None of these

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

This approach grants all S locks waiting, then one U lock and grants X lock if others are waiting.