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Entity, Attribute, Key_Group, and Relationship Diagram

This diagram extends the prior diagram by adding Relationships. The following assertions are added:

Entity, Attribute, Key_Group, and Relationship Diagram--UML Notation:

Entity, Attribute, Key_Group, and Relationship Diagram--UML

Entity, Attribute, Key_Group, and Relationship Diagram--IDEF1X Notation:

Entity, Attribute, Key_Group, and Relationship Diagram--IDEF1X