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New posts in aggregation-framework

Select fields to return from $lookup

MongoDB : Use $unwind into $lookup pipeline

Find max element inside an array

mongodb aggregation cast to int

MongoDb How to group by month and year from string

MongoDB project into an array

Aggregate documents where objects in array matches multiple conditions

MongoDB Charts – chart cumulative growth?

Concat Arrays on all fields MongoDB

Calculating count and average with MongoDB aggregation

How to optimize mongoDB query?

Call function inside mongodb's aggregate?

Mongodb distinct on a array field with regex query?

Mongoose Aggregation match an array of objectIds

$lookup using mongoose

MongoDB: Reduce array of objects into a single object by computing the average of each field

How to compare two object elements in a mongodb array

Aggregate MongoDB results by ObjectId date

Understanding performance: mongo aggregation vs count

mongo $sum compounded when doing $unwind and then $group on multiple fields