This chapter introduces CA 2E files, fields, conditions, and relations, and how these relate to your conceptual model.CA 2E files, fields, conditions, and relations are the basic building blocks you will use to define and maintain your data model.
The data model you define serves as a foundation for developing a correct database for your entire application system. It describes the files, fields, conditions, and their relations. The data model also includes the validation rules and edit codes to be used by your application system.
This section contains the following topics:
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