<{p}>26、Which three are true about block media recovery?<{/p}>

发布于 2021-04-23 20:02:30
【多选题】
A The target database for which one or more blocks are to be recovered must be in the OPEN state
B The data file containing the block being recovered remains online
C It cannot repair logical corruption
D It can be performed on noncorrupt blocks
E A block being recovered is not accessible
F To use it, Flashback Database must be enabled

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