Chapter 13 Impact analysis
You can define your own collections of objects and display them in the Impact Analysis graph. These are the calculated collections created in the resource files attached to your model.
For example, in a model where columns diverge from domains, if you create a calculated collection on the domain metaclass that lists all the columns that use the domain and have identical data type, it becomes much easier to evaluate the impact of a change on the domain.
By default, calculated and extended collections do not appear in the Dependencies page but they are available from the Object Propagation Collections dialog box.
For more information on how to add a collection from the Object Propagation Collections dialog box, see the "Changing the default collections of an object" section.
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