For a database relation R(a, b, c, d) where the domains of a, b, c, d – McqOptions

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1.	For a database relation R(a, b, c, d) where the domains of a, b, c, d include only the atomic values. The functional dependency a → c, b → d holds in the following relation
A.	In 1NF not in 2NF
B.	In 2NF not in 3NF
C.	In 3NF
D.	In 1NF
Answer» B. In 2NF not in 3NF

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