Chapter 4 Building Conceptual Data Models

Enforcing non-divergence from domains in a CDM

From the Model Options dialog box, you can choose to enforce non-divergence between a domain and the data items and attributes that use the domain.

For more information on non-divergence enforcement, see section Defining CDM Options in chapter Conceptual Data Model Basics.

To enforce domain non-divergence in a CDM:

1. Select Tools→Model Options.
   
   or
   
   Right click the diagram background.
   
   Select Model Options from the contextual menu.
   
   The Model Options dialog box opens to the Model Settings page.
   
2. Select the Enforce non-divergence check box in the Domain/Attribute groupbox.
3. Select check boxes for the entity attribute properties that are not permitted to diverge from the domain definition.
4. Click OK.

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