16. Relations are categorized into normal forms according to the referential integrity constraints that they have.
A. True
B. False
17. A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.
A. True
B. False
18. A functional dependency is always an equation.
A. True
B. False
19. A relation has cells that hold multi-value entries.
A. True
B. False
20. In a relation, the rows are sometimes called “fields.”
A. True
B. False