The cost of a model is more than compensated for by future savings. It not only presents an accurate picture of the product for the executives, but it also gives the tool-makers and production men an opportunity to criticize and to present manufacturing problems.
Henry Dreyfuss, Designing for People
When you have completed this chapter, you will be able to:
• Understand data modeling terms and concepts
• Create conceptual, logical and physical data models
• Structure data models using normalization.
In Chapter 5, you gained some perspective by understanding the essential ingredient ...