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. Explain 3 NF using suitable examples.

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12y ago
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6mo ago

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1NF (First Normal Form): Each column in a table should hold atomic values (values that cannot be divided further), and each row should be unique.

2NF (Second Normal Form): Every non-key attribute must be fully functionally dependent on the entire primary key, meaning no partial dependencies are allowed.

3NF (Third Normal Form): In addition to 2NF rules, no transitive dependencies should exist, meaning that non-key attributes should not depend on other non-key attributes.

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Q: Explain suitable example 1NF 2NF 3NF?
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