Part II. Database Design Process and Techniques
The chapters in this part of the book contain the bulk of the information about the database design process. They discuss the major steps in database design starting from the beginning of a project and working through various design and refinement stages to provide a fully functional database.
Chapter 4 explains how you can learn about the customers' needs. If you don't understand the customers' needs, how can you possibly build a database that satisfies them? This chapter also explains how to ensure that the customers agree with you on what the database should do so everyone is happy with the final result.
Chapter 5 shows how to translate the customer needs defined in Chapter 4 into several different kinds of data models. The data models allow you to represent the database's needs formally. They let you study the data and rearrange the pieces to build toward a flexible design.
Chapter 6 explains how to identify business rules. It tells how to modify the data models you developed in Chapter 5 to make it easier to manage business rules, which may change relatively frequently.
Chapter 7 describes one of the best known steps in designing a database: normalization. A ...
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