Question

Write the difference between primary key and compose key​

Answer 1

Answer:

Primary key is that column of the table whose every row data is uniquely identified. Every row in the table must have a primary key and no two rows can have the same primary key. ... Composite Key is a form of the candidate key where a set of columns will uniquely identify every row in the table.

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Answer 2

Primary key is that column of the table whose every row data is uniquely identified. Every row in the table must have a primary key and no two rows can have the same primary key.

Composite Key is a form of the candidate key where a set of columns will uniquely identify every row in the table.

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