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You execute the following Recovery Manager （RMAN） commands in he following order：   BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST；   Which two tasks are performed by these commands？（）  
A: Repair the corrupted blocks. If any. In the backup created
B: Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks
C: Back up the database after checking whether array of the files have corrupted blocks
D: Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view
E: Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION

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出自：Oracle认证

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