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New posts in aggregation-framework

Mongodb sort inner array

Select Group by count and distinct count in same mongodb query

Multiple join conditions using the $lookup operator

Moongoose aggregate $match does not match id's

MongoDB Aggregation: Counting distinct fields

MongoDB aggregation comparison: group(), $group and MapReduce

Get n-th element of an array in MongoDB

Mongoose: how to use aggregate and find together

How to flatten a subdocument into root level in MongoDB?

Group count with MongoDB using aggregation framework

Search on multiple collections in MongoDB

Is it possible to rename _id field after mongo's group aggregation?

MongoDB group by array inner-elements

Mongodb Join on _id field from String to ObjectId

Is Mongodb Aggregation framework faster than map/reduce?

Group result by 15 minutes time interval in MongoDb

How do I rename fields when performing search/projection in MongoDB?

MongoDB aggregation with $lookup only include (or project) some fields to return from query

MongoDB nested lookup with 3 levels

Find all duplicate documents in a MongoDB collection by a key field