MongoDB Aggregation Pipeline

Master powerful data transformation with aggregation pipeline.

Quick Start

Basic Pipeline Structure

const result = await collection.aggregate([
  { $match: { status: 'active' } },
  { $group: { _id: '$category', count: { $sum: 1 } } },
  { $sort: { count: -1 } },
  { $limit: 10 }
]).toArray();

Common Pipeline Stages