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Three Levels of Models Versus Business

Three Levels of Model Abstraction Traditional entity-relationship (E-R) modeling recognizes three different levels of abstraction at which models are developed:…

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Data Does Not Matter

The amount of data is growing exponentially. This creates an enormous potential for generating a lot of new information. Yet,…

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Data, Data, Data

Rhetoricians will tell you that important concepts bear repetition.  Real estate agents will extol the importance of “location, location, location.” …