多项选择题
When youre performing a tablespace point-in-time recovery， which tablespaces will always be restored to the auxiliary instance？（）
A. The SYSTEM tablespace. B. The UNDO tablespace. C. All tablespaces with tables. D. All tablespaces with indexes. E. No tablespaces are automatically restored.
多项选择题 Whatarethetwodifferenttypesofdatabaseduplication？（）
单项选择题 Whichofthefollowingcommandswillfail？（）
单项选择题 Whatisthepurposeofthecatalogcommand？（）
