the-relational-model-and-normalization database question and answers -Page 4

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The Relational Model and Normalization problems

1. A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.
Options
A. True
B. False

Correct Answer: False

2. Any table that meets the definition of a relation is said to be in first normal form.
Options
A. True
B. False

Correct Answer: True

3. In a relation, the order of the rows matters.
Options
A. True
B. False

Correct Answer: False

4. Given the functional dependency R ? S , R is called the determinant.
Options
A. True
B. False

Correct Answer: True

5. In a relation, the rows are sometimes called "records."
Options
A. True
B. False

Correct Answer: True

6. In a relation, the order of the columns does not matter.
Options
A. True
B. False

Correct Answer: True

7. A relation has cells that hold multi-value entries.
Options
A. True
B. False

Correct Answer: False

8. Relations are categorized into normal forms according to the referential integrity constraints that they have.
Options
A. True
B. False

Correct Answer: False

9. A functional dependency is always an equation.
Options
A. True
B. False

Correct Answer: False

10. A key is a group of one or more attributes that uniquely identifies a row.
Options
A. True
B. False

Correct Answer: True

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