Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is normalization?

πŸ’‘ Hint: Think about how we might structure a database to avoid repeating information.

Question 2

Easy

What does 1NF stand for?

πŸ’‘ Hint: What happens to repeating groups in 1NF?

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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

πŸ’‘ 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

πŸ’‘ Hint: Consider what atomic means in this context.

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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.

πŸ’‘ 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.

πŸ’‘ Hint: How do you track which customer made which order while avoiding redundancies?

Challenge and get performance evaluation