what are table constrains?
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Constraints are the rules enforced on the data columns of a table. These are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the database. ... PRIMARY Key − Uniquely identifies each row/record in a database table.
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Constraints are the rules enforced on the data columns of a table. These are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the database. ... PRIMARY Key − Uniquely identifies each row/record in a database table.
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