Logical Database Design MCQ Questions and Answers

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In this section we provide lots of objective question of Logical Database Design in Database Management System.

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1) The entity integrity rule states that:

2) When mapping a many-to-many unary relationship into a relation which of the following is true?

3) If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form?

4) A foreign key is which of the following?

5) A transitive dependency is which of the following?

6) When mapping a multivalued attribute into a relation which of the following is true?

7) If no multivalued attributes exist in a relation, then the relation is in what normal form?

8) A primary key is which of the following?

9) The relational model consists of:

10) When mapping a binary many-to-many relationship into a relation which of the following is true?