WHAT IS FOREIGN KEY IN DATABASE?

Pooja Malohtra

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Posted by  Pooja Malohtra
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  1. Pushpendra Singh

    Post:241

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    What is Foreign Key in database?

    When a primary key of a table is used as a key in any other table then the key in the second table becomes the foreign key for that table.This allows the references integrity to be inforced on that table.

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