Difference between Unique key and Primary key.

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teamques10 ★ 65k

modified 19 months ago by

yashbeer ★ 11k

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written 19 months ago by

yashbeer ★ 11k

Primary key - The main purpose of the primary key is to provide a mean to identify each record in the table.

The primary key provides a mean to identify the rows, primary key can be based on one or more column, such as first and last name however in …

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