A Web Site called Information Architect emphasises the impact of the beauty and layout of a design on its selling power. That got me thinking about the impact that a well-designed Data Model can make. I have assembled a selection from my Data Modelling Tools that are included on this page of my Web Site. I would be very interested in your comments on this sample, and in particular, which you Like the best. Thanks a lot !!! A Conceptual Data Model (A word document) UML Class Diagram for Investment Deals (created in SParx Enterprise Architect) ERD Data Model (created in Datanamic's Dezign) An ERD Model (created in IBM's Rational System Architect) An ERD Model (created in CA's ERwin) A Conceptual ERD Model for a Real Estate Agent (created in Sybase's Power Designer) A Physical ERD Model for a Real Estate Agent (created in Sybase's Power Designer) An ERD Model for Authors and Books (created in ER Studio) An ERD Model for a Real Estate Agent (created in ER Studio Data Architect

        Barry Williams
        January 8th. 2014
        Database Answers Ltd.
        London, England