Select nested fields in filtered aggregation...

Mongoose lookup from 2 collections gives wrong sum values...

MongoDB Aggregation - Find the products with low stock...

MongoDB aggregation pipeline with $lookup on 600k documents...

MongoDB: How do I get multiple $indexOfArray values?...

Any functionality in a MongoDB Aggregation like a simple "regex replace"?...

Mongodb sort inner array...

MongoDB - match against a field, and get the first records which have distinct values in another fie...

Group By After LookUp...

MongoDB Pipeline $lookup only works when hard coding object id...

How to group by two fields whose value my be same and count them...

How to delete documents returned by an aggregation query in mongodb...

MongoDB - How to aggregate collection sub-array objects with its actual object from the other collec...

MongoDB query - Get only selected objects from same or different documents...

Parse out numbers from multiple String fields, add them to a new field in MongoDB aggregation pipeli...

MongoDB $lookup on doubly nested array of objects...

Create an aggregate list of values and number of occurrences in MongoDB...

why i didn't get The same result for these two different queries for Get actors who have appeare...

Join return no result with ObjectId and a non ObjectId...

In the mongodb explain, does it reveal the number of documents fetched from disk vs ram?...

MongoDB: conditional updates to array fields in a single document...

how to get mongodb to use a compound index where one of the fields is not involved?...

conditional match in nested structure in all documents - mongodb...

Unrecognized pipeline stage name: '$concat'...

compound index and sort query involving a regex...

Is there a way to access a Date as milliseconds since epoch (Date.getTime()) in mongodb aggregation ...

match/filter/project nested fields from array in array in object...

MongoDB aggregation $group stage $top vs $first efficiency over a large data set...

Why skip doesn't work at the begining of the aggregation pipeline but works at the end of it?...

how to count boolean type field in mongodb aggregation?...