Consider user is updating table.
When we issue, alter database begins backup,
More redo is generated here .
Datafile header is frozen with latest SCN
I did backup at os level then
when we issue alter database end backup,
The redos are written by LGWR from RLBC to Redo log group files.
All updated information - how it was synchronized ?
Actually, what happens internally ?
Please provide clean explanation.
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