The Relational Model and Normalization – True or False

6. A candidate key is a determinant that determines all the other columns is a relation.

A. True
B. False

Correct Answer:  A. True

7. The only reason for the existence of relations is to store instances of functional dependencies.

A. True
B. False

Correct Answer:  A. True

8. A relation is in 5NF when multivalued dependencies are isolated in their own relation.

A. True
B. False

Correct Answer:  B. False

9. The functional dependency R → S means that the value of S can be determined when we are given a value of R.

A. True
B. False

Correct Answer:  A. True

10. In a relation, the columns are sometimes called “attributes.”

A. True
B. False

Correct Answer:  A. True

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