Computer Science, asked by ramsaurav69, 1 year ago

What is purpose of primary key

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Answered by ParulG

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➡️➡️The main purpose of a primary key is to implement a relationship between two tables in a relational database.

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Answered by vipulbhardwaj00

The main purpose of a primary key is to implement a relationship between two tables in a relational database; it's not called a relational database for nothing! More specifically, the primary key is the "target" which a foreign key can reference.

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