difference between primary key and foreign key
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Answer:
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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✴️. A primary key uniquely identifies a recordin the relational database table, whereas aforeign key refers to the field in a table which is the primary key of another table
Primary key uniquely identify a record in thetable. Foreign key is a field in thetable that is primary key in another table. By default, Primary key is clustered index and data in thedatabase table is physically organized in the sequence of clustered index.
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