A check constraint in a database is a rule that ensures that data meets a specific condition by restricting what data can be stored in a column. An example could be when creating a table in SQL ...

A check constraint in a database is a rule that ensures that data meets a specific condition by restricting what data can be stored in a column. An example could be when creating a table in SQL ...

Non-zero value indicates that this is a column-level CHECK constraint defined on the column with the specified ID value. definition nvarchar(max) SQL expression that defines this CHECK constraint.