19.4.2 - Aggregation Pipeline
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Practice Questions
Test your understanding with targeted questions
What does the $match stage do in an aggregation pipeline?
💡 Hint: Think about filtering real-world data.
True or False: The aggregation pipeline can only use one stage.
💡 Hint: Consider how you can process data in steps.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the aggregation pipeline in MongoDB?
💡 Hint: Consider the data processing tasks you've learned.
True or False: You can use the $group stage to filter data in the aggregation pipeline.
💡 Hint: Remember the functions of different pipeline stages.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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