An entity is in third normal form (3NF) if it is already in 2NF and if the values of its nonprimary key attributes are not dependent on any other nonprimary key attributes.

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Quizplus · Accepted Answer

Third normal form (3NF) requires that a table be in second normal form (2NF) and that all non-primary key attributes are not transitively dependent on the primary key, meaning they should not depend on other non-primary key attributes.

An Entity Is in Third Normal Form (3NF) If It