Practice Multivalued Dependencies And Fourth Normal Form (4nf) (6.5) - Normalization
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Multivalued Dependencies and Fourth Normal Form (4NF)

Practice - Multivalued Dependencies and Fourth Normal Form (4NF)

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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