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Re: State of data over the time

From: Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk>
Date: Thu, 6 Sep 2001 21:47:40 +0100
Message-ID: <999809618.13730.0.nnrp-08.9e984b29@news.demon.co.uk>

The performance impact is minimal only if you don't use it. Rule of thumb:

    Rolling back for read consistency is always expensive.     Rolling back more than a short distance is extremely expensive.

(Mind you - my first thought was "you could have fun with flashback for this one")

--
Jonathan Lewis
http://www.jlcomp.demon.co.uk

Host to The Co-Operative Oracle Users' FAQ
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Howard J. Rogers wrote in message <3b97dd9d_at_news.iprimus.com.au>...

>
>It's part of the database engine, so there are minimal performance impacts,
>and Flashback is read only, so there are no worries about database
>integrity.
>
Received on Thu Sep 06 2001 - 15:47:40 CDT

Original text of this message

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