Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 DBMS Integrity Constraints and Normal Form Functional Dependency
Given the following relation instance
|
A |
B |
C |
|
2 |
5 |
4 |
|
2 |
6 |
4 |
|
5 |
7 |
4 |
|
4 |
3 |
3 |
|
5 |
1 |
3 |
Which of the following functional dependencies are satisfied by the instance?
1
AB → C and C → B
2
AC → B and B → C
3
AC → A and B → C
4
AC → A and C → B
5
Question Not Attempted