A relation is in __________, if and only if the non key attribute are mutually…
2025
A relation is in __________, if and only if the non key attribute are mutually independent and irreducibly dependent on the primary key.
- A.
1NF
- B.
3NF
- C.
2NF
- D.
BCNF
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Correct answer: B
This question describes the definition of Third Normal Form (3NF). In 3NF, non-key attributes must be mutually independent and irreducibly dependent on the primary key. This eliminates transitive dependencies found in lower normal forms.