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043-036

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-05 09:49:31 0 删除 编辑
36. Exhibit
One of the important tables in the USERS tablespace was dropped and p
urged from the recycle bin at 9:00 a.m. You noticed this
at 11:00 a.m. and you want to perform. an incomplete recovery to recov
er the table. Which statement is true?
A. You must recover all data files to the required system change numb
er (SCN).
B. You must recover all data files, except those that are offline, to
the required SCN.
C. You must recover all data files belonging to the USERS tablespace
to the required SCN.
D. You cannot recover all data files because segment space management
is performed manually for the undo tablespace.
Answer: B
offline的不用

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