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DataBase Basic Concept .

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Q -   What are prime and non prime attribute  ? Ans : Prime Attributes –   Attribute set that belongs to any candidate key are called Prime Attributes. If A is Candidate Key, and X→A, then, X is also Candidate Key .  Non Prime Attribute –  Attribute set does not belongs to any candidate key are called Non                  Prime  Attributes .  For Understanding   about Prime and Non Prime Attribute below are few example  .