试题详情
- 单项选择题 You configured the default backup device type as disk for RMAN backups. In your database，because of business requirements，you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used. What must you set using the RMAN CONFIGURE command to achieve this？（）
A、 MAXSETSIZE TO 2
B、 DEVICE TYPE DISK PARALLELISM 2
C、 RETENTION POLICY TO REDUNDANCY 2
D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2
- C
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