Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation