Re: why does oracle recovery redo before undo?
- From: "Ryan" <ryan.gaffuri@xxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 19 Apr 2004 19:45:17 -0400
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@xxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
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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