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Data Architecture for the the DBA Commodities Exchange   
An Access Database is available.

We might also design a Data Mart which is very useful for providing data for Reports and Business Intelligence.

We would be glad to have your comments.

If you are new to Data Models, this page of my new Tutorial will help you understand the Data Model.
Here's the World Exchange Conference in London in March 2016.

Conceptual Data Model

Conceptual Data Model for the DBA Commodities Exchange
ERD Logical Data Model

ERD ERwin Logical Data Model for the DBA Commodities Exchange


Barry Williams
Principal Consultant
Database Answers Ltd.
London, England


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