This Data Model shows only the Primary and Foreign Keys.
A later version will be produced that will show all the Attributes in each Table.
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We will also design a Data Mart which will be a natural starting-point for answering management Enquiries, producing Business Intelligence, Performance Reports and KPIs.
This diagram shows a Top-Level View.
There are Models for specific Subject Areas, as follows :-
Doctors and Practices
Invoices and Payments