Computer Science, asked by dishawankhede87, 7 months ago

different between primary key and foreign key​

Answers

Answered by architasahu
2

Answer:

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. Primary of a table act as forgein key in the other table.

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