Give an example of a business rule for your work for question 4.17. Describe why it is important to evaluate a data model. Summarize one technique for evaluating a data model and explain how that...

Give an example of a business rule for your work for question 4.17.

Describe why it is important to evaluate a data model.

Summarize one technique for evaluating a data model and explain how that

technique could be used to evaluate the data model in Figure 4-21(c).