6. A null value is assigned when no other value applies.

A. True
B. False

7. A synonym is two or more attributes that have different names but the same meaning.

A. True
B. False

8. The primary key in a relation does not need to be underlined.

A. True
B. False

9. In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side.

A. True
B. False

10. Normalization is a formal process for deciding which attributes should be grouped together in a relation.

A. True
B. False