Practice CRUD Operations - 19.4.1 | 19. Advanced SQL and NoSQL for Data Science | Data Science Advance
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What method would you use to add a new document to a collection in MongoDB?

💡 Hint: Think of the word 'insert' and how it relates to adding information.

Question 2

Easy

What is the command to find users older than 30?

💡 Hint: Remember how comparisons work in queries.

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 'CRUD' stand for?

  • Create
  • Retrieve
  • Update
  • Delete
  • Create
  • Read
  • Update
  • Delete
  • Create
  • Read
  • Utilize
  • Delete

💡 Hint: Think about the basic actions we perform on data.

Question 2

True or False: updateOne() can only update one field in a document.

  • True
  • False

💡 Hint: Consider how many updates you can apply at once.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a MongoDB script that demonstrates all four CRUD operations in sequence, where you add a product, read its details, update its price, and finally delete it.

💡 Hint: Ensure each operation references the previous one.

Question 2

Explain how maintaining data hygiene in a database can be related to performing CRUD operations efficiently.

💡 Hint: Think about how you keep a clean workspace and how it relates to data.

Challenge and get performance evaluation