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Re: Join or not ?

From: koert54 <koert54_at_nospam.com>
Date: Wed, 06 Mar 2002 20:28:49 GMT
Message-ID: <5_uh8.240306$rt4.23005@afrodite.telenet-ops.be>


Why don't you perform an explain plan on it ... I'm pretty sure you'll find a join in there :-)

"Etienne Massip" <moutonnoir_at_netcourrier.com> wrote in message news:f033dea7.0203061201.bc2d086_at_posting.google.com...
> Hello,
>
> Could anyone say me if the following simple SQL query contains a join
> operation or not ?
>
> UPDATE T1 SET T1.C2=(SELECT T2.C2 FROM T2 WHERE T2.C1=T1.C1)
>
> IMHO the answer is no, but my colleagues disagree :)
>
> Thx a lot,
>
> Etienne Massip
Received on Wed Mar 06 2002 - 14:28:49 CST

Original text of this message

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