aggregation-framework

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$match in lookup stage without removing local documents in mongoDB
user_144684040
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60
mongoose aggregation-framework mongodb document-database nosql
How do I create new field names using values from a list of objects in pymongo?
user_154372120
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3
1
108
aggregation-framework pymongo mongodb-query mongodb python
How to un-nest and group collections in mongoDB
user_144684040
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1
1
171
mongoose aggregation-framework mongodb document-database database
Mongoose aggregate doesn't return unmatched subdocuments
user_42084890
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1
1
93
mongoose aggregation-framework mongodb-query mongodb
findOne then findMany using value from document found in findOne, in a single query
user_151635280
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3
1
139
mongoose aggregation-framework mongodb-query mongodb
MongoDB query for adding to array if not present
user_71347370
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1
1
33
aggregation-framework mongodb-query mongodb
Mongo aggregation: add field derived from another field
user_151963790
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3
1
1604
aggregation-framework mongodb
How can I retrieve specific element from array using aggregation in Mongoose NodeJS
user_93682660
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1
1
144
mongoose aggregation-framework node.js aggregation aggregate-functions
Update the existing collection from Aggregate Pipeline
user_94571290
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2
2
642
aggregation-framework mongodb-query mongodb nosql database
Double Lookup and Unwind with .NET MongoDb Driver
user_139822370
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2
0
254
asp.net-core aggregation-framework mongodb c#
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