本文探讨了数据库中角色的概念，解析了角色如何结合系统与对象权限以及其他角色被授予，强调了安全应用角色仅能通过其关联的PL/SQL包设置的特点。
36、Which two are true about roles?
A) A role can be granted a combination of system and object privileges and other roles.
B) The CONNECT role Is granted automatically to a user when It Is created.
C) Roles are owned by SYSTEM.
D) The RESOURCE role Is granted the CREATE SESSION privilege.
E) A secure application role can be set only by Its associated PL/SQL package.
Answer:AE
转载于:https://blog.51cto.com/13854012/2156163
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