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The Relational Model And Normalization MCQs

Practice The Relational Model And Normalization MCQs for competitive exams.

The Relational Model And Normalization MCQs

Practice questions from this topic.

The primary key is selected from the:

  1. A. composite keys.
  2. B. determinants.
  3. C. candidate keys.
  4. D. foreign keys.
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Row is synonymous with the term:

  1. A. record.
  2. B. relation.
  3. C. column.
  4. D. field.
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A relation is in this form if it is in BCNF and has no multivalued dependencies:

  1. A. second normal form.
  2. B. third normal form.
  3. C. fourth normal form.
  4. D. domain/key normal form.
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The different classes of relations created by the technique for preventing modification anomalies are called:

  1. A. normal forms.
  2. B. referential integrity constraints.
  3. C. functional dependencies.
  4. D. None of the above is correct.
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Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

  1. A. A →
  2. B. B. A →
  3. C. C. A → (B,C).
  4. D. (B,C) → A.
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