Q10

It won't allow me to add the diagram, says it's too big. But here is the gist:

BILL OF MATERIALS 1..*-----------------------------------------1..1 MATERIALS

Which of the following is the best way to implement the association in a relational database?

A. Post the primary key of bill of materials as a foreign key in raw materials.

B. None of these is the best way to implement the relationship.

C. The location of the foreign key is optional.

D. Create a linking table between raw materials and bill of materials.

E. Post the primary key of raw materials as a foreign key in bill of materials.