You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?（）<br>A:Backup compression should be enabled<br>B:Parallelism for the channel should be set to 2<br>C:All the files must be backed up as backup sets<br>D:The backup may be stored either on disk or on media with media manager

You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?（）
A:Backup compression should be enabled
B:Parallelism for the channel should be set to 2
C:All the files must be backed up as backup sets
D:The backup may be stored either on disk or on media with media manager

出自：Oracle认证

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