Sep 12: Enhanced ER Model (EER)
Learning Objectives
After today's class, you should be able to:
- Explain the following concepts: weak entity, ternary relationship, specialization.
- Answer questions (from an old midterm) that require interpreting EER diagrams.
Lesson Outline¶
Lecture Slides: EER Models
[15 min]
Weak entities, ternary and recursive relationships[15 min]
Group Activity: Abstract ER Model, Part 3[15 min]
(EER) Inheritance and specialization hierarchies
Group Activity [30 min]