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CA 2E Data Model Diagram

The relationships that are identified in the entity relationship diagram can be translated to CA 2E relations. There are eight different CA 2E relations, four of which are commonly required. The purpose of the basic relations will be explained in the course of this tutorial, and more details may be obtained from the CA 2E manuals. The CA 2E Data Model Diagram for this horse race application looks like this:

Having identified the entities (files), attributes (fields), and relationships (relations), we are ready to specify and define them within the data model. This process is illustrated in the following topics.