The PowerDesigner metamodel provides the capability to link objects to other objects in a variety of semantic ways. For example, when you create an external shortcut, or when you attach a business rule to an object, a dependency link is created between models or objects. The Dependencies tab of the object's property sheet displays these links.
Dependencies can be of two types:
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Internal - links to other objects within the model. These dependencies are saved in the model and appear in the Dependencies tab of an object property sheet
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External - links to objects in other models such as shortcuts and generation links (see Creating Links Between Models). The display of external dependencies is dependent on the the other models being open in your workspace unless all the linked models are checked into the repository and you have checked your model out with the you check your model out with the Check out dependencies option (see Checkout Parameters).
