Includes Enhanced Entity-Relationship model objects
- Includes a couple of components for representing EERs based on notation from book "Fundamentals of database systems" by Elmasri, Ramez, and Sham Navathe.
- Component Specialization/Generalization for representing specialization/generalization constraints: disjoint, overlapping or category
- Inheritance arrow line for associating specialization/generalization constraint to subclasses
- Example:
Edited by gcms