ISRO 2024

Question

Fifth Normal form is concerned with

1. Join Dependency
2. Domain-key
3. Multivalued dependency
4. Functional dependency

Answer 1

Correct Answer is A.

Fifth Normal Form (5NF) is primarily concerned with "Join Dependency." It deals with situations where there are multiple overlapping join dependencies in a relational database schema. In 5NF, the goal is to eliminate certain types of redundancies that arise from complex relationships and dependencies involving multiple tables in a database.