Re: [HACKERS] Slow - grindingly slow - query

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От Vadim Mikheev
Тема Re: [HACKERS] Slow - grindingly slow - query
Дата
Msg-id 382BAB1D.4AF25BFE@krs.ru
обсуждение исходный текст
Ответ на Re: [HACKERS] Slow - grindingly slow - query  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Slow - grindingly slow - query
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Theo Kramer wrote:
> 
> > Try something like
> >
> >   select accountdetail.domain from accountdetail where
> >     not exists (select accountmaster.domain from accountmaster where
> >                 accountmaster.domain = accountdetail.domain);
> 
> This takes 5 seconds - wow!

> I did the same on Informix Online 7 and it took less than two minutes...
            ^^^^^^^^^^^
 
Could you run the query above in Informix?
How long would it take to complete?

Vadim


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