Practice Second Normal Form (2NF) - 6.4.2 | Module 6: Normalization | Introduction to Database Systems
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Second Normal Form (2NF)?

πŸ’‘ Hint: Think about how attributes relate to the whole key.

Question 2

Easy

Why is it important to eliminate partial dependencies?

πŸ’‘ Hint: Consider what happens during updates or deletions.

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 if a table is in 2NF?

  • All attributes depend on the primary key
  • No partial dependencies exist
  • Only some attributes are dependent

πŸ’‘ Hint: Think about the definition of dependency.

Question 2

True or False: A relation in 2NF can still have a partial dependency.

  • True
  • False

πŸ’‘ Hint: Consider the definitions of normal forms.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a relation with EmployeeID, ProjectID, and ProjectDetails. If EmployeeID determines ProjectDetails but ProjectID does not, discuss how you would normalize this to satisfy 2NF.

πŸ’‘ Hint: Pay attention to how the dependencies interact.

Question 2

Review a database schema containing OrderID, ProductID, ProductName, and CustomerID. If CustomerID influences ProductName, what should be done?

πŸ’‘ Hint: Analyze how separation reduces redundancy.

Challenge and get performance evaluation