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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define an entity.
💡 Hint: Think about something you can identify or recognize in the real world.
Question 2
Easy
What is an example of a concrete entity?
💡 Hint: Consider items that have physical presence.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is an entity?
- A physical object only
- A distinguishable object or concept
- A collection of entities
💡 Hint: Remember the definition encompasses both physical and conceptual forms.
Question 2
True or False: An entity set represents a collection of different types of entities.
- True
- False
💡 Hint: Think about the definition of an entity set.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Identify a scenario where you would distinguish between concrete and abstract entities in designing a database for a university. Create examples and describe how you would organize them into entity sets.
💡 Hint: Think about how the university's structure adapts to different entity types.
Question 2
How would the concept of entity sets be applied when creating a database for an online store? Discuss common attributes for product entity sets.
💡 Hint: Consider the products that share similar characteristics and how you would categorize them.
Challenge and get performance evaluation