Which of the Following Is the Correct Technique for Representing

question 55

Multiple Choice

Which of the following is the correct technique for representing a M:N relationship using the relational model?

• A) An intersection relation is created, and the key of either entity is placed as a key in both the intersection relation and in the other relation.
• B) An intersection relation is created with a surrogate key, which is placed in each of the parent entities.
• C) An intersection relation is created, and the keys of both parent entities are placed as a composite key in the intersection relation.
• D) The key from either relation is placed as a foreign key in the other relation.
• E) None of the above

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Definitions:

Zero Correlation

A statistical term indicating no relationship between two variables, meaning changes in one variable do not predict changes in the other.

Heel Height

The measurement from the bottom of the shoe sole to the bottom of the heel, indicating the elevation provided by the heel of a shoe.

Biased

Showing an unfair tendency to believe that some people, ideas, etc., are better than others, which can affect judgment and decision-making.

Representative

A person chosen or appointed to act or speak for another or others, often in decision-making processes.