Review Exhibit 9.8. Which of the following is a correct posting of a foreign key to implement the model in a relational database?

a. Labor Operations primary key becomes a foreign key in Production Authorization.

b. Products primary key becomes a foreign key in Bill of Material.

c. Product Categories primary key becomes a foreign key in Employees.

d. Products primary key becomes a foreign key in Product Categories.

e. All of these options are correct.

Exhibit 9.8:

Transcribed Image Text:

Materials Bill of Material 1. 1.1 1.1 Products 0.5 1.1 1. 1.1 0. Material Issue Product Categories 0." 1.1 Production 0. O Authorization 0.. 1.1 0.* Labor Operations 0. 1.1 Employees 1. C