Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) DBMS Integrity Constraints and Normal Form Normal Form
Consider a relation schema R(A,B,C,D,E,H) on which the following functional dependencies hold:
A->B
BC->D
E->C
D->A
Where are the candidate keys of R?
1
AE,BE
2
AE,BE,DE
3
AEH,BEH,BCH
4
AEH,BEH,DEH