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What is foreign key

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What is foreign key

    • Posted by Sahil Kumar Singh 3 years, 6 months ago

    CBSE > Class 10 > Information Technology (402)
    • 3 answers

    Shikha Bharti 3 years, 6 months ago

    The referred field Client ID which occurs in the sales table is called the foreign key.

    0Thank You

    Krisha Tripathi 3 years, 6 months ago

    A non-primary key field /attribute in a table is called foreign key if it is a primary key in another table

    1Thank You

    Kavya Chanana 3 years, 6 months ago

    The concept of foreign key is introduced to reduce the limitations of flat file database

    4Thank You

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