Am Montag, 11. Juni 2001 10:25 schrieb Marc SCHAEFER:
> I would remove the father and mother references, and add a
> is_married
> relation; as a table, with a UNIQUE(father_id), UNIQUE(mother_id)
> constraint (a person can be only married once).
Is not true, at least not in some arabic countries.
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Mario Weilguni KPNQwest Austria GmbH
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