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From: "-CELKO-" <jcelko212@earthlink.net>
Newsgroups: comp.databases.theory
Subject: Re: modeling either/or relationship...
Date: 2 Feb 2006 11:41:11 -0800
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Xref: dp-news.maxwell.syr.edu comp.databases.theory:35749

This was just for an example.  I can change it to an animal taxonomy
with the same structure.  Vehicles are an easy to understand example,
and the VIN is an ISO standard.