From: | Michael Fork <mfork(at)toledolink(dot)com> |
---|---|
To: | Anthony <lists(at)a1(dot)org(dot)uk> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: count( distinct x ) |
Date: | 2000-11-27 18:47:37 |
Message-ID: | Pine.BSI.4.21.0011271347030.11900-100000@glass.toledolink.com |
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Thread: | |
Lists: | 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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