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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is normalization?
💡 Hint: Think about how we might structure a database to avoid repeating information.
Question 2
Easy
What does 1NF stand for?
💡 Hint: What happens to repeating groups in 1NF?
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 main goal of normalization?
- To eliminate data duplication
- To increase data size
- To keep data unstructured
💡 Hint: Think about why we would want to organize data instead of repeating it.
Question 2
Does 1NF require that each column has unique values?
- True
- False
💡 Hint: Consider what atomic means in this context.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are given a user database that contains first name, last name, and a company name. Users can work at different companies. Analyze whether this table can be normalized into 2NF and explain how.
💡 Hint: Consider how companies relate to users in terms of unique entries.
Question 2
Design a normalized schema for a retail store that tracks customers, orders, and products. Explain how you would achieve 3NF.
💡 Hint: How do you track which customer made which order while avoiding redundancies?
Challenge and get performance evaluation