Re: count( distinct x )
От | Michael Fork |
---|---|
Тема | Re: count( distinct x ) |
Дата | |
Msg-id | Pine.BSI.4.21.0011271347030.11900-100000@glass.toledolink.com обсуждение исходный текст |
Ответ на | count( distinct x ) (Anthony <lists@a1.org.uk>) |
Список | 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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