Practice Normalization (6) - Normalization - Introduction to Database Systems
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Normalization

Practice - Normalization

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Practice Questions

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Question 1 Easy

What is normalization?

💡 Hint: Think of it as cleaning up your database.

Question 2 Easy

Define data redundancy.

💡 Hint: Consider how many times the same piece of information can be stored.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does normalization aim to achieve?

Increase redundancy
Reduce redundancy
Make data entry complex

💡 Hint: Think about why databases are structured the way they are.

Question 2

True or False: Deleting a record can cause the loss of unrelated information.

True
False

💡 Hint: Consider what happens when you delete something in a database.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a table with unnormalized data about employees that includes multiple roles and departments, propose a schema to normalize this data up to 3NF.

💡 Hint: Consider how many tables will adequately represent the relationships while minimizing redundancy.

Challenge 2 Hard

Analyze a scenario where a product table has multiple categories assigned to each product; suggest a normalization strategy.

💡 Hint: Think about how to break down the many categories while keeping the product details.

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Reference links

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