C IS CORRECT BECAUSE THE REVOCATION OF A SYSTEM PRIVILEGE DOES NOT CASCADE

6. þ C, D, and E. C is correct because the revocation of a system privilege does

not cascade. D and E are correct because any action that updates the data

dictionary is a system privilege.

ý A and B. A is wrong because system privileges can be granted by any

user who has been granted the privilege WITH ADMIN OPTION. B is wrong

because the revocation of a system privilege does not cascade.