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New posts in aggregation-framework

Is it possible to aggregate $$ROOT in mongo db?

Get the 2 alphabetically first documents by type

Slice an array based on matching conditions with $lookup

Lookup only if foreign field is not null in mongoDB

MongoDB: how to get the count of a particular document?

Java/mongodb - How to implement aggregate method to return result as cursor

Get Most Recent Document By Type With Mongo Aggregation Query

Is there anyway to get maximum value in a column using mongoengine?

"populate" a field with a $lookup without overwriting the existing value

Filter Documents by Distance Stored in Document with $near

MongoDB - Use aggregation framework or mapreduce for matching array of strings within documents (profile matching)

Group MongoDB data by date of night

how does $let access variables defined outside its expression in mongoDB?

A good way to expire specific documents in one collection and add them to another collection on expiry

MongoDB: Run Aggregate on multiple databases

Querying with joins & filters in Mongoose

MongoDB Atlas - $search v/s $match