mongodb-query

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Perform a conditional lookup, only when the localfield exists?
user_27686620
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8
1
15368
aggregation-framework mongodb-query mongodb
How to return just the nested documents of an array from all documents
user_59124710
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5
2
1757
mongoose aggregation-framework mongodb-query mongodb
Mongo Sort by Count of Matches in Array
user_20371380
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3
1
1812
aggregation-framework mongodb-query mongodb
removing object from nested array of objects mongodb
user_35618900
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3
2
2292
mongodb-query mongodb
Generating ObjectID's in Aggregate
user_80468570
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4
1
5433
objectid aggregation-framework mongodb-query mongodb
The Field "$_id" must be an accumulator object
user_47551720
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8
1
31701
aggregation-framework mongodb-query mongodb
Mongo / Mongoose Aggregation - $redact and $cond issues
user_16994340
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3
1
1077
mongoose aggregation-framework mongodb-query node.js mongodb
Return only matched sub-document elements within a nested array
user_23968350
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99
3
100061
aggregation-framework mongodb-query mongodb
Moongoose aggregate $match does not match id's
user_50839090
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47
5
42066
mongoose aggregation-framework mongodb-query mongodb
How do I give a list dynamically without hardcoding to MongoDB's $in?
user_61042540
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3
1
115
mongodb-query perl
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