Computer Science, asked by solankideepika2802, 5 months ago

What is difference between primary key and foreign key

Answers

Answered by nareshkumar9868303
1

Answer:

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Explanation:

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Answered by Anonymous
5

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Primary key is used to identify data uniquely therefore two rows can't have the same primary key. ... It can't be null. On the other hand, foreign key is used to maintain relationship between two tables.

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