Multiple choice

In which of the following schemes does exclusive locks accurse on all copies, while shared locks acquire only an arbitrary copy?

  1. Primary copy locking

  2. Write-locks-all, read-locks-all

  3. Majority locking

  4. Growing phase

  5. Shared mode
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All locks must be required at this copy so that conflicts are discovered at the site where the primary copy resides.

Keep practicing — related questions