BoyeCodd Normal Form (BCNF) is needed when – McqOptions

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1.	BoyeCodd Normal Form (BCNF) is needed when
A.	two non-key attributes are dependent
B.	there is more then one possible composite key
C.	there are two or more possible composite overlapping keys and one attributeof a composite key is dependent on an attribute of another composite key
D.	there are two possible keys and they are dependent on one another
Answer» D. there are two possible keys and they are dependent on one another

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