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Posted by Ed Murphy on 11/28/07 05:46
creedp.71@gmail.com wrote:
> Consider this alternative and let me know if I screw this one up,
> after all, it's getting late, and I'm still at work :) .....
>
> SELECT company.code, company.name, company.type,
> contacts.fullname
> FROM company Left JOIN
> contacts ON company.code = contacts.code
> AND (company.type in ('C', 'R')) and (contacts.fullname =
> 'Accounting')
> WHERE contacts.code IS NULL
> order by company.code
I think this would work (except in the unlikely case that
contacts.code is nullable, in which case it might return
some data that it shouldn't). But NOT EXISTS has the strong
advantage of letting you say what you mean.
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