Re: count( distinct x ) - Mailing list pgsql-sql

From Michael Fork
Subject Re: count( distinct x )
Date
Msg-id Pine.BSI.4.21.0011271347030.11900-100000@glass.toledolink.com
Whole thread Raw
In response to count( distinct x )  (Anthony <lists@a1.org.uk>)
List pgsql-sql
I think you want

SELECT count(distinct(area)) FROM areapostcode WHERE postcode LIKE 'BS1%'

Michael Fork - CCNA - MCP - A+
Network Support - Toledo Internet Access - Toledo Ohio

On Mon, 27 Nov 2000, Anthony wrote:

> Apologies if this has been asked b4, but got this result when
> attemplting to search the archives on the website
> 
> Not Found
> 
> The requested URL /mhonarc/pgsql-sql/search.cgi was not found on this
> server.
> 
> 
> Apache/1.3.12 Server at postgresql.rmplc.co.uk Port 80
> 
> The problem I have is with this statement:
> 
>     select count( distinct area ) from areapostcode where postcode like
> 'BS1%'
> 
> the above statement fails with
>     ERROR:  parser: parse error at or near "distinct"
> 
> I am not the greatest when it comes to SQL, but the pgsql docs implied
> that the above would work.
> 
> What I am trying to do is get a count of the no of matches from the
> statement below
>     select distinct area from areapostcode where postcode like 'BS1%'
> 
> Not the count of:
>     select area from areapostcode where postcode like 'BS1%'
> 
> Can anyone help?
> 
> TIA
> Bap.
> 



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