Re: why does this select hang postgres???
| От | Bruce Momjian |
|---|---|
| Тема | Re: why does this select hang postgres??? |
| Дата | |
| Msg-id | 200108101842.f7AIgx625300@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | Re: why does this select hang postgres??? (Jeremy Hansen <jeremy@xxedgexx.com>) |
| Список | pgsql-general |
> On Fri, 10 Aug 2001, Bruce Momjian wrote:
>
> > >
> > > select * from env_info,summary,plat_info;
> > >
> > > Is my statement broken? Is this not legal? Postgres just sits there....
> > >
> > > My goal is to select everything from multiple tables with one sql
> > > statement.
> >
> > You didn't join the tables. This will join each row to every other row.
> > This will take a long time.
>
> Any tips on this syntax? I'll go look at joins right now I guess :-)
See chapter on joins:
http://www.postgresql.org/docs/awbook.html
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
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