多选题What are the two advantages of RMAN Block Media Recovery （BMR） over file-level recovery？（）ABMR lowers the mean time to recover （MTTR）.BBMR supports point-in-time recovery of individual data blocks.CBMR enables you to use incremental backups for block recovery.DBMR enables recovery even when the database is not mounted or open.EBMR enables you to use proxy backups to perform block media recovery.FBMR enables increased availability of data during recovery because the data file requires a recovery can remain online.
多选题
What are the two advantages of RMAN Block Media Recovery （BMR） over file-level recovery？（）
A
BMR lowers the mean time to recover （MTTR）.
B
BMR supports point-in-time 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 requires a recovery can remain online.
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