Practice Document Databases - 19.3.2 | 19. Advanced SQL and NoSQL for Data Science | Data Science Advance
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 BSON?

πŸ’‘ Hint: Think about how JSON is structured and what it might look like in a binary format.

Question 2

Easy

Name one advantage of using document databases.

πŸ’‘ Hint: Consider the importance of changing data structures.

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 type of data structure does MongoDB primarily use?

  • XML
  • BSON
  • CSV

πŸ’‘ Hint: Think of the format that allows for storing complex data.

Question 2

True or False: Document databases require a fixed schema.

  • True
  • False

πŸ’‘ Hint: Consider the flexibility of document structures.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a MongoDB schema for an online tutorial application that has courses with varying numbers of lessons and reviews.

πŸ’‘ Hint: Consider nested arrays for lessons and reviews.

Question 2

Build a query to retrieve all tutorials with an average rating greater than 4 from a MongoDB collection.

πŸ’‘ Hint: Think about using the aggregation framework to compute the average.

Challenge and get performance evaluation