Practice Entities And Entity Sets (3.2) - Entity-Relationship (ER) Model
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Entities and Entity Sets

Practice - Entities and Entity Sets

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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