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When should you create a role? ()
A.
To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.
B.
To grant a group of related privileges to a user.
C.
When the number of people using the database is very high.
D.
To simplify the process of granting and revoking privileges.
E.
To simplify profile maintenance for a user who is constantly traveling.