Michael Blaha provides a tried and tested pattern model data, to help readers avoid common modeling errors and unnecessary frustration on their way to build an effective model of data. Unlike the typical methodology book, Data Modeling Patterns provide advanced techniques for those who have mastered the basics. Recognizing that the representation of the database to set the road for the software, determine the flexibility, influence the quality, and influence whether it succeeds or fails, the text focuses on the database rather than programming.