Define Constraints that are Associated with the Table
You can use the Validation tab to specify constraints on a table in a Teradata physical model.
Existing validation rules display in the Validation Rule column. You can use the Teradata Validation Rule Editor to create a new validation rule and apply it to a table.
To define validation rule usage for a Teradata table
- Click Tables on the Model menu.
The Teradata Table Editor opens.
- Click the Validation tab.
- Click New
on the Validation tab toolbar.
The new Validation Rule with an erwin-generated name appears at the end of the list.
- Work with the following options:
- Validation
Specifies the name for the usage of the validation rule by this table. Click the validation rule name to edit it.
- Validation Rule
Specifies the validation rule to associate with the validation rule name. Create or select from the drop-down list.
- Click Close.
The Teradata Table Editor closes.
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