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
Define a multivalued dependency.
💡 Hint: Think about how one set of values can relate to others.
Question 2
Easy
What does it mean for a relation to be in 4NF?
💡 Hint: Consider both conditions required for 4NF.
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 a multivalued dependency?
- A relation involving two keys
- A dependency where one attribute determines many values of another
- None of the above
💡 Hint: Remember the 'many' concept in the definition.
Question 2
Is a relation in 4NF also in BCNF?
- True
- False
💡 Hint: Think about the hierarchy of normalization forms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a relation that lists students along with their hobbies and the languages they can speak. How would you restructure this data if it contained multivalued dependencies?
💡 Hint: Focus on identifying and isolating the independent values.
Question 2
Imagine you have a dataset that contains employee skills and certifications, where employees can have multiple skills and certifications. Illustrate how this dataset could benefit from converting to 4NF.
💡 Hint: Think about how the overlap can cause data clutter.
Challenge and get performance evaluation