Re: In or Exists?

From: Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com>
To: Fabrice(dot)Sznajderman(at)devoteam(dot)com
Cc: pgsql-jdbc(at)postgresql(dot)org, <pgsql-jdbc-owner(at)postgresql(dot)org>
Subject: Re: In or Exists?
Date: 2006-02-15 16:19:12
Message-ID: Pine.LNX.4.44.0602151818450.23682-100000@matrix.gatewaynet.com
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O Fabrice(dot)Sznajderman(at)devoteam(dot)com έγραψε στις Feb 15, 2006 :

> Thank for your answer!
>
> I use 7.3. I think it the same between 7.4 and 7.3?

No in 7.3 exists wins.
Why are you so behind?

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> Fabrice
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> Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com>
> EnvoyΓ© par : pgsql-jdbc-owner(at)postgresql(dot)org
> 15/02/2006 16:57
>
> A
> Fabrice(dot)Sznajderman(at)devoteam(dot)com
> cc
> pgsql-jdbc(at)postgresql(dot)org, <pgsql-jdbc-owner(at)postgresql(dot)org>
> Objet
> Re: [JDBC] In or Exists?
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> O Fabrice(dot)Sznajderman(at)devoteam(dot)com έγραψΡ στις Feb 15, 2006 :
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> > Hello,
> >
> > According to you, What it better to use, the IN or EXISTS predicat?
> >
> > I saw on internet it's better to use EXITS . but I would like to have
> > another point of view..
> >
> > Thanks in advance
>
> Prior to 7.4 IN was a looser,
> in 7.4 IN sometimes is by far a clear winner,
> i dunno in 8.*
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> >
> >
> > Fabrice
> >
> > +---------------------------------------------------------------------+
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> >
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> >
>
>

--
-Achilleus

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