Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Usenet -> c.d.o.server -> Re: State of data over the time
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 http://www.jlcomp.demon.co.uk/faq/ind_faq.html Author of: Practical Oracle 8i: Building Efficient Databases Screen saver or Life saver: http://www.ud.com Use spare CPU to assist in cancer research. Howard J. Rogers wrote in message <3b97dd9d_at_news.iprimus.com.au>...Received on Thu Sep 06 2001 - 15:47:40 CDT
>
>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.
>