On 05/11/2007, Igor Tandetnik <[EMAIL PROTECTED]> wrote:
> Simon Davies
> <simon.james.davies-gM/[EMAIL PROTECTED]> wrote:
> > I use:
> >
> > select rowid, A, B, C
> > from t
> > where A||B||C in
> > ( select A||B||C
> > from t
> > group by A, B, C
> > having count(*)>1
> > );
>
> Wouldn't that mistakenly consider a record ('xy', 'z', 'w') to be
> duplicate of ('x', 'yz', 'w') ?
>
> Igor Tandetnik
>

oops - yes

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