The CHECK constraint is used to limit the value range that can be placed in a column. If you define a CHECK constraint on a column it will allow only certain values for this column.

Nov 18, 2025 · Learn how to can create a check constraint in a table to specify the data values that are acceptable in one or more columns in the SQL Server Database Engine.

Learn how to implement SQL CHECK constraints in your database to enforce data integrity. This guide covers creating, modifying, and troubleshooting constraints, with insights on using …

The CHECK constraint in SQL is used to specify the condition that must be satisfied in order to insert data into a table. In this tutorial, you will learn about the CHECK constraint in SQL with …

Oct 3, 2025 · The CHECK constraint in SQL enforces rules on column values by limiting the data that can be inserted or updated. It ensures that values meet specified conditions.

In SQL Server, a check constraint is used to specify the limitation on the values of a column when inserting or updating.

Dec 16, 2024 · What Is a CHECK Constraint in SQL? In SQL, a CHECK constraint is a rule applied to a column or a set of columns in a table to enforce data integrity. It ensures that all …

Let us see how to assign SQL Server Check Constraint using transact query and Management Studio with examples. For this demonstration, we use the Customer Records table.

A check constraint is a type of constraint that is used in SQL to ensure that a specified condition is met before data is added or modified in a table. Check constraints are used to enforce …

This SQL Server tutorial explains how to use the check constraints in SQL Server (Transact-SQL) with syntax and examples. A check constraint in SQL Server (Transact-SQL) allows you to …