Re: count( distinct x )
| От | Jose Rodrigo Fernandez Menegazzo |
|---|---|
| Тема | Re: count( distinct x ) |
| Дата | |
| Msg-id | 1092.192.168.0.9.975348486.squirrel@mail.datascan-site.com обсуждение |
| Ответ на | count( distinct x ) (Anthony <lists@a1.org.uk>) |
| Список | pgsql-sql |
> 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%' > I don't have where to try it, but have you tried: select distinct count(area) from areapostcode where postcode like 'BS1%' Rodrigo F.
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