UGC NET CS 2018 July - II Question 66

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

a → c
b → d
The relation is in _________.
(1) First normal form but not in second normal form
(2) Second normal form but not in third normal form
(3) Third normal form
(4) BCNF

Answer: 3