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Includes Enhanced Entity-Relationship model objects

gcms requested to merge gcms/dia:eer into master
  • 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: Diagram2.svg
Edited by gcms

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