Retrieve all documents from a collection

Count number of documents in a collection

Add a single document to a collection

mongodb/mongodb-aggregate

Perform aggregation operations on a collection

mongodb

aggregate

analytics

db.orders.aggregate([{$match:{status:'pending'}}, {$group:{_id:'$item', total:{$sum:'$qty'}}}])

Performs aggregation pipeline operations like grouping and summing. Useful for analytics, reporting, and metrics.

Sum sales by region

db.sales.aggregate([{$group:{_id:'$region', total:{$sum:'$amount'}}}])

Add multiple documents at once

Retrieve documents matching a filter

Update multiple documents at once