Re: COUNT(Distinct city) HELP!!!
От | Anand Raman |
---|---|
Тема | Re: COUNT(Distinct city) HELP!!! |
Дата | |
Msg-id | 20001226121343.A683@india-today.com обсуждение исходный текст |
Ответ на | Re: COUNT(Distinct city) HELP!!! (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Список | pgsql-general |
or u can also try select count(*) from (select distinct city from ct); Hope this helps Anand On Mon, Dec 25, 2000 at 05:27:30PM -0800, Stephan Szabo wrote: > >I believe that functionality was added in version 7.0, >are you using an earlier version? > >On Mon, 25 Dec 2000, Abe wrote: > >> Hey there, >> >> I get this error but I think this is supposed to work: >> >> The table has some duplicates such as Munich I want the number of distinct cities: >> >> abenew=> select * from ct; >> name| age| city >> ---- +--- +------ >> jow | 10| london >> tim | 15| paris >> kim | 17| munich >> te | 19| munich >> (8 rows) >> >> My query is as follows: >> >> tester => select count(distinct city) from ct; >> ERROR: parser: parse error at or near "distinct" >> >> Any guidance would be appreciated... >> Thanks >> Abe >>
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