Subject Re: [ib-support] Big slow select query from multiple tables
Author Artur Anjos
Bad thing. Natural picks all your data and evaluate it to your conditions.
If you have an index FB could use it to make things faster.

Artur

----- Original Message -----
From: "Stevio" <redeagle@...>
To: <ib-support@yahoogroups.com>
Sent: Tuesday, June 11, 2002 1:01 PM
Subject: Re: [ib-support] Big slow select query from multiple tables


> > >How does NATURAL work, or what does it do?
> >
> > Natural just means the server scans the entire table in "natural" order
> and
> > does not use an index to lookup the table contents.
>
> Is this a bad thing or a good thing?
>
> Thanks.