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Re: UNTO TBS behavior in 9i

From: Jared Still <jkstill_at_gmail.com>
Date: Thu, 25 Jan 2007 11:59:26 -0800
Message-ID: <bf46380701251159w28927640sb42c8ad3642e1b24@mail.gmail.com>


On 1/25/07, Mark W. Farnham <mwf_at_rsiz.com> wrote:
>
> It is really really easy to confuse undo and redo in extended
> conversations like these.
>
>
> As far as I know, you will find a before image of a block in the case of
> the first transaction that hits a block in a tablespace set in 'backup
> mode'.
>
> Subsequent change to the block will only generate undo vectors. So there
> is at least a case where y
>

That does seem to be happening.

Tablespace backup mode has never had anything to do with UNDO as far as I can recall.

-- 
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist

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Received on Thu Jan 25 2007 - 13:59:26 CST

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