Identify overlap and disjoint sub-types.Identify completeness & disjoint constraints.Identify overlap and disjoint sub-types.

Assignment 3: Entity-Relationship (ER) Modeling and the Use of Super/Sub Structures
Outcomes addressed in this activity:
Unit Outcomes:
Define the construct of supertype and subtype.
Identify overlap and disjoint subtypes.
Identify completeness & disjoint constraints.
Prepare an enhanced entity relationship (EER) model.