Get all the distinct users through mongodb aggregation...

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unwind just if embedded exist...

no affect of limit on cursor time aggrgate mongoDB...

Mongo DB + java grouping documents by feild on selected date range...

merge two fields into an object...

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MongoDB group by UNIX time and count not working...

MongoDb select all record and order them on an array basis...

Mongodb aggregation, Use value from a variable in the expression of $group _id...

Use the output of one query to execute another query in Mongo shell...

Mongodb use multiple group operator in single aggregation...

mongodb aggregate filter and count on nodejs...

Mongodb concat not working in aggregation...

MongoDB Aggregation command to Java code...

Group books and get count for each of their ratings...

Issue with $group command in MongoDB...

Trouble creating query in MongoDB with subquery...

Converting mongo array to object with key-value pair...

Count Elements SubDocument that match a given criterion...

How to use Mongo aggregate feature to compute Totals and SubTotal Percentages with Nested Groups?...

Multiple groups in mongodb aggregate pipeline...

mongoose sum a value across all documents...

Mongoose extract first subarray element after filtering...

How to use nested grouping in MongoDB...

Reshaping Documents in $project Stages...

MongoDB -- Find duplicate documents by multiple keys...

Using mongose aggregation to populate from collection in mongo...