Which three statements are true about views in an Oracle database? (Choose three.)

A. The WITH CHECK clause prevents certain rows from being updated or inserted

B. Views can be updated without the need to re-grant privileges on the view

C. Tables in the defining query of a view must always exist in order to create the view

D. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error

E. The WITH CHECK clause prevents certain rows from being displayed when querying the view

F. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error

G. Data Manipulation Language (DML) can always be used on views