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You issue the following command on the RMAN prompt.   RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE；   Which statement is true about executing this command？（）
A: It will display a list of files that need incremental backup.
B: It will display a list of files that need backup after five days.
C: It will display a list of files that were backed up in the last five days.
D: It will display a list of files that have not been backed up in the last five days.
E: It will apply the current retention policy to determine the files that need to be backed up.

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出自：Oracle认证

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