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What is rollback used for in TCL?

27. What is rollback used for in TCL?

1. In the event the database isn't restored back to its original state since the last commit, this method is used.
2. In the event the database is restored back to its original state since the last commit, this method is used.
3. In the event the database isn't restored back to its original state since the last command, this method is used.
4. In the event the database isn't restored back to its original state since the last creation, this method is used.

Answer: A) In the event the database isn't restored back to its original state since the last commit, this method is used

Explanation:

In the event the database isn't restored back to its original state since the last commit, this method is used.