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In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；
A: to configure RMAN to maintain backup information in the RMAN repository for seven days
B: to configure RMAN to maintain backup information in the control file for at least seven days
C: to display the list of files that have not been backed up for the last seven days
D: to display the list of files that must be backed up within seven days

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出自：Oracle认证

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