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The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database：  RMAN> REPORT OBSOLETE;  What would you see in the output？（）
A:a list of all the expired backups and copies
B:a list of all those files that have been deleted in the last two days
C:a list of all those files that have been recovered within the last two days
D:a list of backups and copies that are outside the range covered by the current retention policy

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出自：Oracle认证

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