19.3.2 - Document Databases
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Practice Questions
Test your understanding with targeted questions
What is BSON?
💡 Hint: Think about how JSON is structured and what it might look like in a binary format.
Name one advantage of using document databases.
💡 Hint: Consider the importance of changing data structures.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of data structure does MongoDB primarily use?
💡 Hint: Think of the format that allows for storing complex data.
True or False: Document databases require a fixed schema.
💡 Hint: Consider the flexibility of document structures.
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Challenge Problems
Push your limits with advanced challenges
Design a MongoDB schema for an online tutorial application that has courses with varying numbers of lessons and reviews.
💡 Hint: Consider nested arrays for lessons and reviews.
Build a query to retrieve all tutorials with an average rating greater than 4 from a MongoDB collection.
💡 Hint: Think about using the aggregation framework to compute the average.
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