（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 system and object privileges.
正确答案
答案解析
略
相似试题
（多选题）
Which two statements are true about Oracle Real Applications Insight ？（）
（多选题）
Which two statements are correct regarding the Oracle Flashback Drop feature？ （）
（多选题）
Which two RMAN commands initiate a resynchronization of the recovery catalog with the target database control file？（）
（多选题）
Which two statements are true？（）
（多选题）
Which two operations require undo data？（）
（多选题）
Which two statements are true about alerts（）
（多选题）
Which two triggers are mouse movement triggers?（）
（多选题）
Which two statements are true regarding listeners（）
（多选题）
Which two statements are true regarding views?（）
（多选题）
Which two statements are true about checkpointing（）
