Multiple choice

Which of the following locks in DBMS are also known as row-level locks where the client uses the row by means of the SELECT FOR UPDATE statement?

  1. Exclusive locks

  2. Update locks

  3. Shared locks

  4. Upgrading locks

  5. Increment locks

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

Update locks statement is used when transactions with unexpected read write locks are to be used.