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  3. December 2009

Re: Delete with an exception join

delete from tab1 a where not exists (select 1 from tab2 b where
a.fld1=b.fld1)


Thanks,
Tommy Holden



From: "Servizi Aziendali - Massimo Ceroni"
<m.ceroni@xxxxxxxxxxxxxxxxxxxx>
To: <midrange-l@xxxxxxxxxxxx>
Date: 12/04/2009 09:53 AM
Subject: Delete with an exception join
Sent by: midrange-l-bounces@xxxxxxxxxxxx





Hi.
I need to delete records from tab1 that doesn't exist in tab2. The join
between tab1 and tab2 is on 3 key fields, so that I can't use the sintax:
delete from tab1 where fld1 not in (select fld1 from tab1 exception join
tab2 on ...)
Tanks for any help.

Massimo Ceroni

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