GATE | GATE CS 1997 | Question 49

For a database relation R(a,b,c,d), where the domains a, b, c, d include only atomic values, only the following functional dependencies and those that can be inferred from them hold:

{ a → c, b → d } 

This relation is
(A) in first normal form but not in second normal form
(B) in second normal form but not in first normal form
(C) in third normal form
(D) None of the above


Answer: (A)

Explanation:

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