How Oracle Instance Recovery Works

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How Oracle Instance Recovery Works
How Oracle Instance Recovery Works
#INSTANCE RECOVERY – #Oracle #database have inherit feature of recovering from instance failures automatically. #SMON is the background process which plays a key role in making this possible. Though this is an automatic process that runs after the instance faces a failure, it is very important for every #DBA to understand how is it made possible.

00:00 How instance recovery works
03:10 What happens when you start instance?
03:18 Roll Forward
04:38 Roll Backward
07:09 Instance Recovery Phases

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