In 3NF, a non-key attribute must not depend on a
Correct answer: B. Key attribute (*CORRECT)
- A. Non-key attribute
- B. Key attribute (*CORRECT)
- C. Primary attribute
- D. Sort key
Explanation
In Third Normal Form (3NF), a non-key attribute's value must be determined solely by the entire primary key, and not by any other non-key attribute within the table. This helps to eliminate data redundancy and improve data integrity in a relational database
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