Also known as: TNF-
TNF stands for various terms. Discover the full forms, meanings, and possible interpretations of TNF across different fields and industries.
Third normal form (3NF) is the third step in normalizing a database and it builds on the first and second normal forms, 1NF and 2NF.3NF states that all column reference in referenced data that are not dependent on the primary key should be removed. Another way of putting this is that only foreign key columns should be used to reference another table, and no other columns from the parent table should exist in the referenced table.
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