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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the $match stage do in an aggregation pipeline?
💡 Hint: Think about filtering real-world data.
Question 2
Easy
True or False: The aggregation pipeline can only use one stage.
💡 Hint: Consider how you can process data in steps.
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 is the purpose of the aggregation pipeline in MongoDB?
- To write data
- To transform and analyze data
- To store data
💡 Hint: Consider the data processing tasks you've learned.
Question 2
True or False: You can use the $group stage to filter data in the aggregation pipeline.
- True
- False
💡 Hint: Remember the functions of different pipeline stages.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create an aggregation pipeline to find the top 5 customers based on total order amounts. Include filtering to only consider completed orders.
💡 Hint: Think about how ordering can affect the results you want.
Question 2
Design an aggregation pipeline that analyzes user ratings for products, grouping by the product ID and calculating the average rating.
💡 Hint: Consider how ratings accumulate over time.
Challenge and get performance evaluation