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Viewpoints – Entity Relationship

 
The Entity Relationship Viewpoints relational diagram also depicts the relationships among nodes in a viewpoint, but in a different format than the Class version.
 
Viewpoints – Entity Relationship
 
1

Node

1. Node
Node shapes are colored blue and appear with their field lists automatically expanded. The data type of each element is also displayed. These field lists cannot be collapsed.
2

Base Node

2. Base Node
Where applicable, the base node is displayed above the node name in each object (<<UPDMElement>> in this example).
3

Relationship Line

3. Relationship Line
Relationship lines go directly between the elements that embody the relationships, with the base of the arrow starting at the element that uses the reference and the tip of the arrow ending at the element that is referenced.
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