Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 DBMS Integrity Constraints and Normal Form Functional Dependency
Let R is a relation schema and X, Y ⊆ R. "If Y ⊆ X, then X → Y" represents which of the following inference rules?
1
Decomposition
2
Reflexive
3
Augmentation
4
Pseudotransitive
5
Question Not Attempted