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You took the DATA1 tablespace offline at 10：00 A.M. At 12：30 P.M.， a schema of a user is dropped and purged from the Recycle Bin. You noticed this at 2：00 P.M. and decided to perform an incomplete recovery.  Which datafiles will you recover？（）
A: all the datafiles in the database
B: the datafiles associated with the SYSTEM tablespace
C: the datafiles associated with the DATA1 tablespace
D: all the datafiles in the database except those associated with the DATA1 tablespace

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出自：Oracle认证

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