单选题
What is the result of this command？（） RMAN> Report need backup days 3；
发布日期：2021-11-11
A
Lists all datafiles created in the last three days that are not backed up.
B
Lists all datafiles not recoverable based on the current retention criteria.
C
Lists all datafiles not backed up in the last three days. The datafile is not recoverable.
D
Lists all datafiles that need to be backed up due to unrecoverable operations.
E
Lists all datafiles not backed up in the last three days. It does not imply that the datafile is not recoverable.
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