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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define functional dependency using your own words.
💡 Hint: Think of how a key unlocks a door.
Question 2
Easy
What is a trivial functional dependency? Give an example.
💡 Hint: Look for overlapping attributes.
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 it mean for attribute A to functionally determine attribute B?
- A represents multiple values of B.
- A uniquely identifies B's value.
- B can determine A.
- They are unrelated.
💡 Hint: Think about how keys work.
Question 2
Is StudentID → StudentName an example of a trivial functional dependency?
- True
- False
💡 Hint: Consider if attributes overlap.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the relation {OrderID, CustomerID, OrderAmount}, identify possible functional dependencies and justify their relevance.
💡 Hint: Trace relationships between the data.
Question 2
Explain how understanding functional dependencies can prevent data anomalies in a complex database.
💡 Hint: Think about what can happen if information is duplicated.
Challenge and get performance evaluation