Re: E/R diagramming question
From: Sean A Dunn <Sean_at_lilydale.demon.co.uk>
Date: 1995/08/14
Message-ID: <542895949wnr_at_lilydale.demon.co.uk>#1/1
Date: 1995/08/14
Message-ID: <542895949wnr_at_lilydale.demon.co.uk>#1/1
You have what is known as "identifying relationships". I have seen them modelled as a funny sort of bar across the relationships that are included in the identifier of the child entity.
Bar looks like |-| (i.e. bar across relationship with a 'T' at each end).
Cheers...
--Received on Mon Aug 14 1995 - 00:00:00 CEST
*** Sean Dunn, Wolverhampton, England ***
*** E-mail: sean_at_lilydale.demon.co.uk ***