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Tag 2NF example

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…

1NF – What is 1NF example?

1NF-first-normal-form

A relation is in 1NF(What is 1nf example) or first normal form if every tuple has exactly one value for each attribute. In other words, we can say that every column should have a unique or atomic value related to…