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You are performing a block media recovery on the tools01.dbf data file in the SALES database using RMAN. Which two statements are correct in this scenario？（）
A: You must ensure that the SALES database is mounted or open.
B: You must restore a backup control file to perform a block media recovery.
C: You must take the tools01.dbf data file offline before you start a block media recovery.
D: You must put the database in NOARCHIVELOG mode to perform a block media recovery.
E: You can perform only a complete media recovery of individual blocks， point-in-time recovery of individual data blocks is not supported.

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出自：Oracle认证

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