Practice - Fourth Normal Form (4NF)
Practice Questions
Test your understanding with targeted questions
What is a multivalued dependency?
💡 Hint: Think about how one fact can lead to many others.
Why do we want to convert a relation to 4NF?
💡 Hint: Consider the implications of having the same data repeated.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What must be true for a relation to be in Fourth Normal Form?
💡 Hint: Recall the definitions and conditions of 4NF.
True or False: A table can be in BCNF but still not in 4NF.
💡 Hint: Consider the meaning of each normal form.
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Challenge Problems
Push your limits with advanced challenges
Consider a university database where students take multiple courses, each with instructors. Identify and explain any multivalued dependencies present, and describe how you would convert this into 4NF.
💡 Hint: Look for relationships between data points and how they can be separated.
A company database tracks employee records, which include multiple projects and various skills. Analyze potential MVDs present and suggest a format to achieve 4NF.
💡 Hint: Focus on separating distinct attributes that might independently determine values.
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Reference links
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