Question

How can you define primary key ina table​

Answer 1

Answer:

primary key uniquely identify record in a table

Explanation:

roll no ,adm no in a table is known as primary key because in a class there should be same roll of others

Answer 2

Answer:

primary key uniquely identify record in a table

Explanation:

roll no ,adm no in a table is known as primary key because in a class there should be same roll of others

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