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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is denormalization?
💡 Hint: Think about what redundancy means in the context of databases.
Question 2
Easy
How does denormalization affect data storage?
💡 Hint: More copies of data means more space is needed.
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 the primary purpose of denormalization?
- Reduce storage
- Improve query performance
- Eliminate redundancy
💡 Hint: What is one main reason that drives database optimizations?
Question 2
True or False: Denormalization always simplifies data updates.
- True
- False
💡 Hint: Think about whether more copies of something make updating easier.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a denormalized student database, the instructor's department is stored in every enrollment record. Discuss the potential issues this may cause and propose a solution.
💡 Hint: Consider how you would manage changes in data.
Question 2
A company has a denormalized product database to speed up sales reports. As a result, data redundancy has tripled storage usage while creating inconsistencies. What steps should the company take to address these issues?
💡 Hint: Think about optimizing the balance between performance and data management.
Challenge and get performance evaluation