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Tag What is 3NF

3NF – What is the 3NF example?

3NF-third-normal-form

A relation is in 3NF(What is the 3NF example) or the third normal form if and only if it is in 2NF and every non-key attribute is non-transitively dependent on the primary key. By the transitive functional dependency, we mean…

2NF – What is a 2NF example?

A relation is in 2NF(What is a 2NF example) or second normal form if all the non-prime attributes are fully functionally dependent on the primary key. The non-prime attributes are those that are not a primary key. A database is…