You want to take a complete dat

题目

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? ()(Choose two.)

  • 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
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