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New posts in aggregation-framework

Counting number of records that where date is in date range?

How do I create new field names using values from a list of objects in pymongo?

Mongoose updates : Increment a counter and reset to 0 on a new date

Query to convert an array to a map of documents with n attributes

single chained query mongodb / mongoose to fetch all comments

MongoDB: $project with $filter, include all other attributes

MongoDB - $addToSet for an Array?

How to group data by every hour

$lookup two levels

Find the number of consecutive days that users are regularly active on MongoDB?

How to ORDER BY FIELD VALUE in MongoDB

Filter results by the Last Array Entry Field Value

Mongo Aggregate not using Index

MongoDB Remove or Limit fields conditional aggregation

How to find distinct values of fields using facet operation in mongodb

Mongo Query Nested Field Values with two-level unknown parent keys