Question

Differentiate between primary key and foreign key. ​

Answer 1

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Primary keyuniquely identify a record in the table. Foreign key is a field in the table that is primary key in another table. By default, Primary key is clustered index and data in the database table is physically organized in the sequence of clustered index.

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Answer 2

Answer:

primary key uniqely

identify a record in a table. Foriegn key is a field in the table that is primary key in another table .