engineering recuitment NIC NIELIT Scientist B 2023 Mock Test DBMS Integrity Constraints and Normal Form Normal Form
For a database relation R(a, b, c, d) where the domains of a, b, c and d include only atomic values, 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
None of the above