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单项选择题You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database:RMAN> REPORT NEED BACKUP days 3;What would be the output of this command?()

A、 a list of files that require a backup within three days

B、 a list of files that have not been backed up for three days

C、 a list of files that RMAN recommends be backed up only once in every three days, based on low volatility

D、 a list of files for which a backup has already been performed and may need a backup after three days

  • B
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