Online Documentation for SQL Administrator for SQL Server
Properties
Use the Properties tab of the Check Constraint Editor to create/edit a check constraint and specify its properties.
Name
Enter a name for the new check, or modify the name of the check being edited.
Table
In this field the Table name of the check being edited is displayed.
Enabled
Enables/disables the check immediately after it is created.
Check existing data
This option specifies whether the data in the table is or is not validated against a newly added or re-enabled check.
Condition
This area represents the condition implied by the check constraint.
You can specify any logical (Boolean) expression that returns TRUE or FALSE based on the logical operators. For example, salary >= 15000 AND salary <= 100000.