标签：role grant img ted 技术分享 RoCE can b16 protected
21、Which two are true about roles?A) A role can be password-protected.
B) A role can be granted to another role.
C) Only one default role can be granted to a user.
D) A role can be granted only multiple system privileges not multiple object privileges.
E) A role can be created only by a user with the SYSDBA privilege.
Answer:AB
标签：role grant img ted 技术分享 RoCE can b16 protected
原文地址：http://blog.51cto.com/13854012/2149872
