Practice - Module Summary
Practice Questions
Test your understanding with targeted questions
Define what an entity is in an ER Model.
💡 Hint: Think of examples like a student or a course.
What is a relationship in an ER Model?
💡 Hint: Recall how entities interact with each other.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does an Entity-Relationship Model primarily represent?
💡 Hint: It deals with representation, not actual implementation.
True or False: A weak entity set can exist independently of its identifying entity.
💡 Hint: Consider the definition of a weak entity.
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Challenge Problems
Push your limits with advanced challenges
Design an ER diagram for a library system, considering entities like Book, Member, and Loan. Include relationships and cardinalities.
💡 Hint: Think about how one Member can have multiple Loans.
Discuss the trade-offs between using derived attributes and storing actual data in a database.
💡 Hint: Consider cases when data must be frequently accessed.
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Reference links
Supplementary resources to enhance your learning experience.