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Re: Low hit ratio, but only for indexes

From: Keith Boulton <kboulton_at_ntlworld.com>
Date: Tue, 15 Jan 2002 20:57:11 -0000
Message-ID: <ME018.28979$_x4.4014030@news2-win.server.ntlworld.com> 






Nuno Souto <nsouto_at_optushome.com.au.nospam> wrote in message
news:3c443955.1313124_at_news-vip.optusnet.com.au...


> > I ran an explain plan on one

> >of their slow queries and it does 2 full table scans of a 7M row

> >table.

>

> Yikes!  Still, that shouldn't take too darn long, unless the tables

> have very large rows.




Unless the two full scans are nested!
Received on Tue Jan 15 2002 - 14:57:11 CST












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