6. When the parent entity is required, a new child row can always be inserted.

A. True
B. False

7. All primary keys are required.

A. True
B. False

8. Intersection tables are ID-dependent on both their parent tables.

A. True
B. False

9. For every relationship, there are six possible sets of minimum cardinalities.

A. True
B. False

10. An intersection table is required to represent M:N relationships.

A. True
B. False