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A table on the many side of a one to many or many to many relationship must:

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A table on the many side of a one to many or many to many relationship must:

(a) Be in Second Normal Form (2NF)

(b) Be in Third Normal Form (3NF)

(c) Have a single attribute key

(d) Have a composite key

I got this question in an online quiz.

Question is from Normal Forms topic in chapter Normalization of Database Management

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Correct answer is (d) Have a composite key

For explanation: The relation in second normal form is also in first normal form and no partial dependencies on any column in primary key.

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