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Mastering Data Modeling: A User-Driven Approach by John Carlis

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Chapter 21. Conversations About Dairy Farming

This chapter presents a typical conversation with users and shows the gradual improvement to an LDS. Your users are members of a governmental body regulating the dairy industry in a small New England state.

Meeting with Users from the General Offices

You begin by meeting with users from the general offices. After a brief discussion, the LDS includes Fragment 21-1.

Image

Fragment 21-1

You have asked the users to bring printouts of their data. You ask the users to show you some data about farms, herds, and cows. You briefly scan the data the users provide, selecting some data and writing it down ...

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