QUESTION NO: 99
When you‘re performing a tablespace point-in-time recovery, which tablespaces will always be restored to
the auxiliary instance? (Choose all that apply.)
A. The SYSTEM tablespace.
B. The UNDO tablespace.
C. All tablespaces with tables.
D. All tablespaces with indexes.
E. No tablespaces are automatically restored.
Answer: A,B
当你执行一个表空间时间点的恢复，哪些表空间总是会被恢复到辅助实例？
A. 系统表空间。
B. 撤销表空间
原文：http://blog.csdn.net/xuejiayue1105/article/details/48904419