Aggregation Framework

Module Contents

1. The Aggregation Pipeline

Understand the assembly line model of MongoDB aggregation. Learn how to build multi-stage pipelines to transform your data.

2. Common Stages

Deep dive into the “Big 5” stages: $match, $group, $project, $unwind, and $sort. Master filtering, reshaping, and grouping data.

3. Advanced Patterns

Take your skills to the next level with $lookup (joins), $bucket (histograms), $facet (multi-pipeline analytics), and conditional logic.

Review & Cheat Sheet

Test your knowledge with interactive flashcards and grab a quick SQL-to-Aggregation cheat sheet.

Module Chapters