Re: many to many relationship
From: Paul Vernon <paul.vernon_at_ukk.ibmm.comm>
Date: Thu, 6 Mar 2003 10:43:40 -0000
Message-ID: <b478s6$1h5m$2_at_sp15at20.hursley.ibm.com>
Date: Thu, 6 Mar 2003 10:43:40 -0000
Message-ID: <b478s6$1h5m$2_at_sp15at20.hursley.ibm.com>
All of which is an argument against the usefulness of the ER model's many-to-many relationships idea. In this case, was the ER model clearer without an explicit 'enrollement' entity?
Regards
Paul Vernon
Business Intelligence, IBM Global Services
Received on Thu Mar 06 2003 - 11:43:40 CET