what is role of primary key in a database
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The main purpose of a primary key is to implement a relationship between two tables in a relational database ; Moreover a primary key is the 'target' which a foreign key can reference.
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The main purpose of a primary key is to implement a relationship between two tables in a relational database ; Moreover a primary key is the target which a foreign key can reference
The main purpose of a primary key is to implement a relationship between two tables in a relational database ; Moreover a primary key is the target which a foreign key can reference Explanation:
The main purpose of a primary key is to implement a relationship between two tables in a relational database ; Moreover a primary key is the target which a foreign key can reference Explanation:I hope this will help you . plz like and vote my answer
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