Practice - Specialization and Generalization
Practice Questions
Test your understanding with targeted questions
Define specialization in the context of the ER model.
💡 Hint: Think about how roles within a job can specify specific responsibilities.
What is a superclass?
💡 Hint: What do you call a broader category that includes more specific roles?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is specialization in the context of the ER Model?
💡 Hint: Think of how job roles are differentiated.
True or False: In a generalization, all entities must belong to at least one subclass.
💡 Hint: Remember the flexibility of generalization.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an ER model for a university database incorporating specialization and generalization. Identify superclasses and subclasses.
💡 Hint: Consider what common characteristics can be combined for effective modeling.
Discuss the trade-offs of implementing disjoint versus overlapping constraints in a hierarchical database structure.
💡 Hint: Think about examples in a workplace or school where roles overlap.
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Reference links
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