MS SQL Unique Constraint | Learn How to Use Unique Constraint in SQL | Unique Constraint with Expl
A unique key constraint in a database ensures that the values in a specific column are unique across all rows in a table. This means that no two rows in the table can have the same value in the columns with the unique key constraint.
In this tutorial, you will learn how to use the unique constraint for creating a table in SQL and how the
unique constraint works. This tutorial, is very help for the beginners to learn the sql in advance with
practical example
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