•Relation lines deleted from the model are deleted from all subject areas.
•Relation lines deleted from subject areas can be deleted from the model, at the user's discretion.
•If any entity to which a relation line is attached is deleted, the line is deleted from the diagram as well.
•Relation line definitions deleted directly from the data dictionary (using the SA Explorer) are deleted from all model and subject area diagrams.
Note Objects deleted from a diagram will immediately be removed from the diagram in which they are deleted. However, objects deleted from the model will not be removed from other diagrams until the diagram is refreshed.