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Data Modeling Made Simple with CA ERwin Data Modeler r8 by Steve Hoberman, Donna Burbank

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Following is a brief summary of the ten steps to complete a Conceptual Model (for more on this approach, please refer to Data Modeling for the Business: A Handbook for Aligning the Business with IT using High-Level Data Models, ISBN 9780977140077). We’ll relate each of these ten steps to our fictional company, Baker Cakes, a small corporation whose focus is the sale and production of specialty decorated cakes, and show how a conceptual model helps them define their business requirements for a new application they’re building.

1.      Identify model purpose. Before starting any data modeling effort, first identify why the model needs to be built. The underlying reason for building a data model is communication. ...

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