Part 3 of a Continuing Series In many ways, architects and database modelers perform very similar roles. Both meet with end users to ascertain their needs and then design a solution. In the case of an architect, the design specifications are called a blueprint. In the case of a database modeler, the design is called a data model.

However, while architects and builders long ago agreed on one universal standard, the IT industry has not been as lucky. Unfortunately, there are numerous data modeling notations including CASE*Method, Chen, IDEF1X, object-role modeling (ORM) and others. While each notation has its pros and cons, they all accomplish the same goal. They display a graphical model of a database.

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