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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a multivalued dependency?
💡 Hint: Think about how we connect attributes with multiple values.
Question 2
Easy
Explain Fourth Normal Form (4NF) simply.
💡 Hint: Remember the connection between BCNF and 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 does an MVD indicate about the relationship between attributes?
- There is only one value per attribute
- Multiple values are independent of each other
- There is a direct dependency
💡 Hint: Consider the example of hobbies and languages.
Question 2
True or False: A relation in 4NF may still exhibit multivalued dependencies.
- True
- False
💡 Hint: Remember how 4NF is defined.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a multivalued relationship table involving 'Employee_Skill_Language'. Each employee has multiple skills and speaks multiple languages. How would you decompose this table to 4NF?
💡 Hint: Identify the independent attributes and separate them.
Question 2
Given a table with MVDs causing redundancy, how would you identify and eliminate these dependencies effectively?
💡 Hint: Focus on the independence of facts associated with each key.
Challenge and get performance evaluation