OCP-1Z0-053-V12.02-199题

199.When youre 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: AB


答案解析:

参考:http://blog.csdn.net/rlhua/article/details/12659769


辅助集:对恢复集执行TSPITR 时所必需的,但本身不属于恢复集的数据文件。辅助集通常包括:
SYSTEM表空间的副本
- 包含来自目标实例的还原段的数据文件
- 某些情况下从辅助实例导出数据库对象期间使用的临时表空间

原文地址:https://www.cnblogs.com/hzcya1995/p/13316500.html