Database Design Using Normalization – General Questions

1. Needing to using more complicated SQL in database applications is a(n) ________ of normalization.

A. advantage
B. disadvantage
C. either an advantage or disadvantage
D. neither an advantage nor disadvantage

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2. Eliminating modification anomalies is a(n) ________ of normalization.

A. advantage
B. disadvantage
C. either an advantage or disadvantage
D. neither an advantage nor disadvantage

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3. Multivalued dependencies should ________ be eliminated.

A. always
B. commonly
C. seldom
D. never

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4. When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:

A. first step.
B. second step.
C. third step.
D. fourth step

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5. Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?

A. The multivalue, multicolumn problem
B. The inconsistent values problem
C. The missing values problem
D. The general-purpose remarks column problem

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