单选题In the parameter file of your production database， the CONTROL_FILE_RECORD_KEEP_TIME parameter is set to 31. What would be the impact of this setting on the backup that is being performed by using Recovery Manager （RMAN）？（）A The backup would be retained on the media for 31 days.B The backup would be maintained in the recovery catalog for 31 days.C The backup metadata would be retained in the control file for 31 days.D The backup metadata would be maintained in the recovery catalog for 31 days.E Automatic backups of the control file will be retained in the flash recovery area for 31 days.
单选题
In the parameter file of your production database， the CONTROL_FILE_RECORD_KEEP_TIME parameter is set to 31. What would be the impact of this setting on the backup that is being performed by using Recovery Manager （RMAN）？（）
A
The backup would be retained on the media for 31 days.
B
The backup would be maintained in the recovery catalog for 31 days.
C
The backup metadata would be retained in the control file for 31 days.
D
The backup metadata would be maintained in the recovery catalog for 31 days.
E
Automatic backups of the control file will be retained in the flash recovery area for 31 days.
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