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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the Reflexivity rule in functional dependencies?
💡 Hint: Think about subsets and how knowing more inherently includes knowing less.
Question 2
Easy
Give an example of the Augmentation Rule.
💡 Hint: Consider if adding attributes changes what is already known.
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 the Reflexivity Rule state?
- If A determines B
- If A is a subset of B
- If B is a subset of A
💡 Hint: Remember subsets and how they relate.
Question 2
Which rule states that if A→B, then AC→BC also holds?
- Transitivity
- Decomposition
- Augmentation
💡 Hint: Think about enhancement without change.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have the functional dependencies: CourseID → Instructor, Instructor → Department. Can you demonstrate the use of Transitivity to draw a new conclusion?
💡 Hint: Look for linking attributes between the dependencies!
Question 2
If A→BC holds, how do you show the practical uses of the Decomposition Rule? Create a scenario to illustrate.
💡 Hint: Think about how distinct relationships affect database clarity.
Challenge and get performance evaluation