Multiple choice

Which of the following statements is used to undo any accidental changes in a table?

  1. Undo

  2. Recover

  3. Rollback

  4. Recall

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

Rollback is a part of Transaction Control Language or (TCL). It is used to cancel or undo any changes made in a table. For example, it the user has accidently deleted the data, it can be easily rollbacked to the previous state. The other commands of the same category (TCL) are commit, savepoint etc.