David Olbersen wrote:
> 
> On Sun, 18 Mar 2001, Fernando Eduardo B. L. e Carvalho wrote:
> 
> >   select  p.city,count(*) from sales s, person p where s.doc = p.doc
> > group by p.city;
> >
> >    Anyone help-me?
> 
> 1: VACUUM ANALYZE sales
>    VACUUM ANALYZE person;
> 
> 2: That 'count(*)' is going to be slow.
>    Try counting a column that's indexed (p.doc might work?)
> 
I don't think that is true.


--
Joseph Shraibman
[EMAIL PROTECTED]
Increase signal to noise ratio.  http://www.targabot.com

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