What is the MongoDB aggregation framework?
An example of an AI chatbot conversation about the MongoDB aggregation framework.
What is the MongoDB aggregation framework?
The MongoDB aggregation framework is a powerful tool for processing and transforming data in MongoDB. It allows you to perform operations like filtering, grouping, and sorting data.
Can you explain how to use the $match stage?
Sure! The $match stage filters documents based on specified criteria. It works similarly to a query, allowing you to select documents that meet certain conditions.
What are some common use cases for aggregation?
Common use cases include data analysis, reporting, and real-time analytics. For example, you can aggregate sales data to find total revenue by product.
How does the $group stage work?
The $group stage is used to group documents by a specified identifier and perform operations like sum, average, or count on grouped data.
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