Message-ID: <F001.00518EF8.20021212143901@fatcity.com>
Date: Thu, 12 Dec 2002 14:39:01 -0800
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From: =?iso-8859-1?q?Connor=20McDonald?= <hamcdc@yahoo.co.uk>
Subject: RE: UNDO RETENTION
Organization: Fat City Network Services, San Diego, California
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v$undostat has a maxquerylen column - thats a good
starting point in terms of avoiding ora-1555's if
that's your primary concern

hth
connor

 --- Paula_Stankus@doh.state.fl.us wrote: > Having had
frustration with rollback segments from
> time to time over the
> years I am happy to let Oracle handle it with their
> recommended automatic
> undo management and a defined undo tablespace. 
> However, it isn't that
> simple is it?  I imagine that undo retention is
> critical and if you specify
> too long you might have problems with performance
> while too little and what
> you loose read-consistency - any ideas on the best
> way to configure this
> little bugger?  
>  

=====
Connor McDonald
http://www.oracledba.co.uk
http://www.oaktable.net

"GIVE a man a fish and he will eat for a day. But TEACH him how to fish, and...he will sit in a boat and drink beer all day"

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Author: =?iso-8859-1?q?Connor=20McDonald?=
  INET: hamcdc@yahoo.co.uk

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