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Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define trivial functional dependency.
π‘ Hint: Think about relationships where knowing one attribute gives no new information.
Question 2
Easy
What is a non-trivial functional dependency?
π‘ Hint: Consider examples where one attribute directly tells you something about another attribute.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a trivial functional dependency?
π‘ Hint: Think about trivial mathematical truths.
Question 2
Is CourseID β CourseTitle
a trivial or non-trivial functional dependency?
π‘ Hint: Think about the information you gain when knowing one value.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Consider a relation: StudentID, CourseID, InstructorName
. Define two FDs. Classify them as trivial or non-trivial and explain your reasoning.
π‘ Hint: Evaluate the dependency to see if one attribute gives new information.
Question 2
Propose a database schema where understanding trivial and non-trivial dependencies would be required to normalize it properly. Discuss the implications.
π‘ Hint: Think of what relationships might overlap.
Challenge and get performance evaluation