Introduction to the Aggregation Framework
Explore MongoDB's aggregation framework to understand how to filter, group, sort, and reshape data through pipelines. Learn to perform data calculations and summaries directly in MongoDB for improved performance and insightful analytics.
We'll cover the following...
We'll cover the following...
Why should we use aggregation?
The aggregation framework in MongoDB is a powerful, built-in data processing toolkit. It lets us perform complex operations such as filtering, grouping, transforming, and calculating directly inside the database. Think of it like creating reports, summaries, or analytics without using another tool or moving the data somewhere else. For example: