What is 3 NF (Third Normal Form)? | DBMS Tutorials for Beginners in Hindi #23 

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Third Normal Form (3NF) is a level of database normalization that requires a relation to be in 2NF and for all transitive dependencies of non-key attributes on the candidate key to be removed. A transitive dependency exists when a non-key attribute depends on another non-key attribute. 3NF ensures that there is no redundancy and all data is stored in a clear and concise manner, without data anomalies or inconsistencies. The goal of 3NF is to reduce data duplication and maintain data integrity by ensuring that each non-key attribute depends solely on the primary key, rather than on other non-key attributes.
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