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What are the two advantages of RMAN Block Media Recovery （BMR） over file/x7flevel recovery？（）
A:BMR lowers the mean time to recover （MTTR）.
B:BMR supports point­in­time recovery of individual data blocks.
C:BMR enables you to use incremental backups for block recovery.
D:BMR enables recovery even when the database is not mounted or open.
E:BMR enables you to use proxy backups to perform block media recovery.
F:BMR enables increased availability of data during recovery because the data file that requires a recovery can remain online.

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出自：Oracle认证

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