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A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.

A. True

B. False

Answer: Option A

Solution (By Examveda Team)

Option1: True
In the Boyce-Codd Normal Form (BCNF), every determinant must be a candidate key, which means it can uniquely identify each tuple in the relation. If a determinant is a composite key, it means it is made up of multiple attributes that together uniquely identify a tuple. Therefore, if every determinant in a relation is a composite key, then the relation is in BCNF.

Option2: False
If every determinant in a relation is a composite key, then the relation is in BCNF. Therefore, the statement that a relation is in BCNF if every determinant is a composite key is true.

Conclusion: The correct option is True.

This Question Belongs to Database >> The Relational Model And Normalization

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