Practice - Third Normal Form (3NF)
Practice Questions
Test your understanding with targeted questions
What is Third Normal Form (3NF)?
💡 Hint: What does it mean for an attribute to depend only on the primary key?
Give one example of a transitive dependency.
💡 Hint: Think of how one attribute can reveal information about another.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a transitive dependency?
💡 Hint: Think about how attributes might influence each other.
True or False: In 3NF, non-key attributes can depend on other non-key attributes.
💡 Hint: Remember the definition of 3NF.
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Challenge Problems
Push your limits with advanced challenges
Given an inventory table with ProductID, ProductName, OrderID, OrderQuantity, and CustomerName, identify potential transitive dependencies and propose a normalization strategy.
💡 Hint: Look for any attributes that aren't dependent directly on the primary key.
Analyze a school database table including StudentID, StudentName, CourseID, CourseTitle, InstructorName, and InstructorDept. Find any violations of 3NF and provide a normalization plan.
💡 Hint: Identify all dependencies that create indirect relations to ensure appropriate separation.
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Reference links
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