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Home -> Community -> Usenet -> comp.databases.theory -> Re: Multiple parent design
Bleh. Couple of reasons for not liking this solution:
Tom
"Laconic2" <laconic2_at_comcast.net> wrote in message
news:64GdnYurVfsYVOLdRVn-sQ_at_comcast.com...
> Create two columns in the phone table, Person_id and Company_id. Enforce
> referential integrity on each one separately. Allow each one to be NULL.
>
> If necessary, enforce a constraint that either Person_id or Company_id
must
> be null.
>
>
Received on Fri Apr 16 2004 - 09:55:31 CDT
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