试题详情


Choose two.
Examine this statement:
Mysql> DROP ROLE r_role1, r_role2; Which two are true?

AYou must revoke r_role1 and r_role2 from all users and other roles before dropping the roles.

BYou must revoke all privileges from r_role1 and r_role2 before dropping the roles.

CIt fails if at least one of the roles does not exist.

DExisting connections can continue to use the roles‘ privileges until they reconnect.

EIt fails if you do not have the ADMIN OPTION of the roles r_role1 and r_role2.

FIt fails if any of the roles is specified in the mandatory_roles variable.