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    geeta111

    What Are Normalisation, Primary Key And Foreign Key? What Are These Used For? Could You Give Some Examples?

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    sky123

    Primary key is the key that is used to identify each table of the relational table while foreign key can be defined as a primary key of one table that also points primary key of some other table. For example check out the following website.
     
    www.aisintl.com
     
     

    answered 4 months ago   

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