MongoDB Aggregation Pipeline Notes shamim

Aggregation Pipeline Stages

1. $match - Filter documents
2. $group - Group by field
3. $sort - Sort results
4. $project - Select fields
5. $lookup - Join collections

Blog.aggregate([
  { $match: { type: 'notes' } },
  { $sort: { createdAt: -1 } },
  { $limit: 10 }
]);