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Datamodeling - Generic Arc Design

From: Jeff Cox <jeff.cox_at_ips-sendero.com>
Date: Mon, 30 Oct 2000 11:32:00 -0000
Message-Id: <10665.120583@fatcity.com> 





Hello,



I am creating a Table Instance Chart from an E-R diagram and was wondering 
if there is a "rule of thumb" on how to reference the foreign key for my 
Arc.



I need to create my foreign key reference for Table A which MUST pull the 
primary key from EITHER Table B or Table C. This foreign key is also part 
of the primary key for Table A.



Any help is appreciated.



Thanks!



Jeff Cox


IPS-Sendero


Scottsdale, AZ
Received on Mon Oct 30 2000 - 05:32:00 CST












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