Computer Science for IGCSE & O level - Databases (Section 6 - No. 18)

What is the purpose of the `ROLLBACK` statement in a database transaction?

To save the changes made during a transaction.

To discard the changes made during a transaction and restore the database to its previous state.

To begin a new transaction.

To delete the entire database.

The `ROLLBACK` statement is used to undo the changes made during a transaction and restore the database to its original state.