Applications of Functional Dependencies in Database Management System
6 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is an example of a valid functional dependency?

  • {roll_no, name} → name (correct)
  • {dept_name} → dept_building
  • dept_building → roll_no
  • {name} → roll_no
  • What type of functional dependency is characterized by a dependent always being a subset of the determinant?

  • Non-Trivial functional dependency
  • Trivial functional dependency (correct)
  • Transitive functional dependency
  • Multivalued functional dependency
  • Which of the following is an example of an invalid functional dependency?

  • {roll_no, name} → dept_building (correct)
  • {name} → roll_no
  • dept_building → roll_no
  • {dept_name} → dept_building
  • In the context of functional dependencies, what does the determinant refer to?

    <p>The independent attribute(s)</p> Signup and view all the answers

    Which of the following is an example of a valid functional dependency based on the given properties?

    <p>{roll_no} → dept_name</p> Signup and view all the answers

    What rule allows inferring a new valid dependency if X → Y and Y → Z are both valid dependencies?

    <p>Transitivity rule</p> Signup and view all the answers

    More Like This

    Functional Dependency Quiz
    10 questions

    Functional Dependency Quiz

    MercifulRooster5534 avatar
    MercifulRooster5534
    Relational Database Design Overview
    10 questions
    Use Quizgecko on...
    Browser
    Browser