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