Re: Joining three data sources.
От | Masaru Sugawara |
---|---|
Тема | Re: Joining three data sources. |
Дата | |
Msg-id | 20020620225440.A150.RK73@sea.plala.or.jp обсуждение исходный текст |
Ответ на | Re: Joining three data sources. (Janning Vygen <vygen@gmx.de>) |
Список | pgsql-sql |
On Thu, 20 Jun 2002 08:27:07 +0200 Janning Vygen <vygen@gmx.de> wrote: > Oh thanks a lot. You pushed me in the right direction. i still get headache > when trying to write complicated selects. there was something wrong > in your statement Oh! I slipped up. You are exactly right. > but i was able to correct it by myself. Thanks for your help!! > Are you able to type those queries in minutes?? It seems so ... amazing! No. Actually, I may have spent a few hours before I was aware of making use of Max/Min aggregations to divide the values of the team_id into the team1_id or tema2_id. > > > As for Goal table, if it has a large number of the rows, you maybe > > need to create a unique index on it. > > of course. it was just an example... > > kind regards > janning Regards, Masaru Sugawara
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