Practice First Normal Form (1NF) - 6.4.1 | Module 6: Normalization | Introduction to Database Systems
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main requirement for a table to be in 1NF?

πŸ’‘ Hint: Think about how the values in each cell should be organized.

Question 2

Easy

Is having a column with multiple values in a single cell acceptable in 1NF?

πŸ’‘ Hint: Remember the importance of atomicity in values.

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 a table to be in 1NF?

  • Columns must have multiple values
  • Each value must be atomic and no repeating groups
  • There are no constraints on values

πŸ’‘ Hint: Consider the fundamental requirements of 1NF.

Question 2

True or False: A unique primary key is optional in 1NF.

  • True
  • False

πŸ’‘ Hint: Think about why each entry in a table must be unique.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a Student table with PhoneNumbers as a single entry that lists multiple numbers, redesign the table to ensure it meets 1NF standards.

πŸ’‘ Hint: How can you separate multiple pieces of information into distinct rows?

Question 2

Analyze a course registration database in which students have Course1ID, Course2ID, etc. Suggest a redesign.

πŸ’‘ Hint: Think about how to structure relationships in a way that avoids redundancy.

Challenge and get performance evaluation