Computer Science, asked by dhwanibhatiya691, 7 months ago

differentiate between Primary Key and Foreign Key.​

Answers

Answered by prathaam
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.

Answered by SanskrutiBajaj
0

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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