Specifying Table Constraints

The table Check tab is initialized with the PowerDesigner %RULES% variable to generate validation rules specified on the Rules tab. You can edit the code on this tab by entering an appropriate SQL expression to supplement, modify, or replace these constraints.

You can override the default Constraint name. To revert to the default name, click to reset the User-Defined button to the right of the field:

For information about business rules, see Business Rules (CDM/LDM/PDM). For information about setting column constraints, see Setting Data Profiling Constraints.