Oracle RMAN Question:
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How RMAN improves backup time?
Answer:
Oracle database help us to reduce time for taking backup using followings
1) Oracle performs BLOCKlevel backup.
2) DBA can allocate channels which will start the backup activity in PARALLEL, but we need to ensure that not too many channels have been allocated. Number of allocated channel should not be more than number of CPU.
1) Oracle performs BLOCKlevel backup.
2) DBA can allocate channels which will start the backup activity in PARALLEL, but we need to ensure that not too many channels have been allocated. Number of allocated channel should not be more than number of CPU.
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