Which of the following BEST describes what a database is? a persistent storage for data in the backend. a transient storage for data in the backend. a persistent storage for data in the frontend. a transient storage for data in the frontend. What does the SET clause in the UPDATE statement do? Specifies what to do in case of a failure to update Specifies the properties that you want to change on the record Specifies the table that the record is in Specifies the database that you want to update the record in Specifies the record that you want to update