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Home -> Community -> Usenet -> c.d.o.server -> Re: Oracle Instance Recovery
This is when rollback come into play. uncommitted changes are rollback.
ted
In article <7snko8$55m$1_at_nnrp1.deja.com>,
corcorank_at_my-deja.com wrote:
> My qustion is this. As I understand it the redo
> log buffers are flushed when they fill or when a
> commit is issued. If the machine fails and
> restarts how does Oracle ensure that DBWR hasn't
> written changed datafile blocks to their
> respective datafiles? Does DBWR somehow ignore
> updated blocks that haven't had their log updates
> externalised or is there some other process at
> work?
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
>
Sent via Deja.com http://www.deja.com/
Before you buy.
Received on Mon Sep 27 1999 - 09:45:34 CDT
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