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Home -> Community -> Mailing Lists -> Oracle-L -> Re: why does oracle recovery redo before undo?
like alot of academic books it thinks its 'cute' to state that it leaves the
reasoning for you to figure out on your own...
----- Original Message -----
From: <Jared.Still_at_radisys.com>
To: <oracle-l_at_freelists.org>
Sent: Monday, April 19, 2004 7:22 PM
Subject: Re: why does oracle recovery redo before undo?
> that is what i thought. I have a generic database book that is used at
> most
> universities that says its optimal to apply undo before redo. trying to
> figure out where it is coming from.
> ----
>
> That doesn't make much sense, does it?
>
> When you create the data, you create undo, then redo from the undo.
>
> You can't recreate the undo without the redo.
>
> ( we're well on our way to a world class tongue twister )
>
> Jared
>
>
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-- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------Received on Mon Apr 19 2004 - 18:44:17 CDT
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