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What is difference between primary key …

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What is difference between primary key and secondary key

Posted by Khushi Ghangas 3 years, 10 months ago

CBSE > Class 12 > Computer Science

1 answers

Kamna Rana 3 years, 10 months ago

Primary key- a set of one or more attributes that can uniquely identify tuples within table or which have uniques values. Secondary key- a coulmn which can be a primary key.

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CBSE > Class 12 > Computer Science