多选题Which two statements are true about the roles in the Oracle database？（）AA role can be granted to itself.BRoles are owned by the SYS user.CRoles can be granted to other roles.DA role cannot be assigned external authentication.EA role can contain both sy
题目
多选题
Which two statements are true about the roles in the Oracle database？（）
A
A role can be granted to itself.
B
Roles are owned by the SYS user.
C
Roles can be granted to other roles.
D
A role cannot be assigned external authentication.
E
A role can contain both system and object privileges.
相似考题
参考答案和解析
正确答案：
E,D
解析：
暂无解析