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GATE | CS 2022 | Question 14

In a relational data model, which one of the following statements is TRUE?

(A)

A relation with only two attributes is always in BCNF.

(B)

If all attributes of a relation are prime attributes, then the relation is in BCNF.

(C)

Every relation has at least one non-prime attribute

(D)

BCNF decompositions preserve functional dependencies

Answer

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