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.

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 …

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.

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.

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 …

A check constraint in SQL is a rule that enforces a specific condition on the values in a column or set of columns in a table. It ensures that every row satisfies the condition you define, rejecting …

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 …

A CHECK constraint in SQL Server is a rule that enforces domain integrity by limiting the values that can be entered into a column or set of columns in a table.

The CHECK constraint ensures that the values in a column meet a specific condition before being inserted or updated. It’s used to enforce domain-level integrity.

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