Question

explain difference between primary key and foriegn key​

Answer 1

Answer:

primary key

primary key unquikly identify a record in a table

foriegn key

foriegn key is a field in a the table that is primary key another table

Answer 2

Difference between Primary Key and Foreign Key. Primary key uniquely 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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