Re: RE: Help with query. (*)

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От Josh Berkus
Тема Re: RE: Help with query. (*)
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Msg-id 3A66074D.827227D0@agliodbs.com
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Ответ на RE: Help with query. (*)  ("Diehl, Jeffrey" <jdiehl@sandia.gov>)
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Mike,
In that case, you want to use this construction:

DELETE FROM a 
WHERE EXISTS ( SELECT 1 FROM bWHERE b.1 = a.1  AND b.2 = a.2  AND b.3 = a.3 );

Of course, a good primary keying system would make this somewhat less
complex ...
                -Josh Berkus
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