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New posts in aggregation-framework

How to select a field and a count of a nested array in mongodb [duplicate]

$in requires an array as a second argument [duplicate]

Group by subdocument field using aggregation framework

sort by string length in Mongodb/pymongo

Comparing two object arrays and check if they have common elements

Limiting Query result in MongoDB

Count array elements that matches condition

Mongodb aggregation $unwind then count

How to join to two additional collections with conditions

Group array after unwind and match

How to return documents where two fields have same value [duplicate]

Merge $lookup result to existing array

How to format number 1 to string "01" for aggregation?

Calculate the average of fields in embedded documents/array

mongodb multiple groups in one result

Split string into an array of substrings or characters in MongoDB

Max and min in mongodb

Calculate the average value of a mongodb document [duplicate]

Project with Match in aggregate not working in mongodb