As typically produced, data model diagrams can be less than inviting. While the use of graphics is supposed to make the ideas presented more accessible, the use of graphics without regard for aesthetic principles has the opposite effect. A mass of symbols with no shape or organization aids neither in the understanding of an organization nor in the planning of its future system development efforts: There are so many boxes and lines! Where do I start? What is really going on here? How can I use this?

Defining a set of symbols to represent data structures is not enough. It is necessary to add a method for organizing those symbols, so that the viewer of the model can deal with the drawing as a whole. It is also necessary to apply some aesthetic ...

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