What is a primary key? What is the difference between foreign key and

1.	What is a primary key? What is the difference between foreign key and primary key
Answer» Primary key is set on filed in which it\'s findout the I\'d no of person. Primary help to find the I\'d no of particular person and foreing is help to find out the two tables of no A field which uniquely identifies each record in a tableia called a primary key.A primary key is used to ensure data in the specific coloumn is unique where as foreign key uniquely identifies a record in a relational database table.

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