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ER-model role identifiers

From: Neil Zanella <nzanella cs mun ca>
To: Dia Mailing List <dia-list gnome org>
Subject: ER-model role identifiers
Date: Fri, 23 Nov 2001 08:59:44 -0330 (NST)

Hello,

I have one last suggestion (this time for the ER-model implementation).
Perhaps when a relationship is attached to an entity on both ends we
should be able to label the lines with the role identifiers. For
example when we have a user selling items to users we could have
two role identifiers: seller and buyer.

Thanks!

Neil

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