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What is foreign key

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What is foreign key

    • Posted by Sagar Rawani 5 years, 10 months ago

    CBSE > Class 11 > Computer Science
    • 1 answers

    Priya Dharshini ? 5 years, 10 months ago

    A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. It acts as a cross-reference between tables because it references the primary key of another table, thereby establishing a link between them

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