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New posts in aggregation-framework
Count all objects in array and infinite sub-arrays
May 18, 2022
arrays
mongodb
mongodb-query
aggregation-framework
How to perform a $text search on a 'joined' collection via $lookup?
Mar 06, 2022
node.js
mongodb
mongoose
mongodb-query
aggregation-framework
MongoDB multidimensional array projection
Mar 03, 2022
mongodb
multidimensional-array
aggregation-framework
MongoDB Aggregation unwind more than one array
Mar 10, 2022
mongodb
mongodb-query
aggregation-framework
MongoDB $redact to filter out some elements of an array
Sep 25, 2022
mongodb
mongodb-query
aggregation-framework
How to group documents by month?
Dec 29, 2021
mongodb
mongodb-query
aggregation-framework
MongoDB C# 2.0 Driver Multiple Unwinds
May 06, 2021
c#
mongodb
mongodb-query
aggregation-framework
Backend solution for fetching and transforming data from various third-party APIs
Sep 26, 2022
api
database-design
architecture
aggregation-framework
middleware
Conditional $first in mongodb aggregation
Oct 26, 2022
mongodb
mongodb-query
aggregation-framework
Mongodb - How to debug aggregation steps?
Nov 17, 2022
node.js
mongodb
debugging
aggregation-framework
mongodb aggregation with $project to conditionally exclude a field
Nov 21, 2022
node.js
mongodb
mongoose
aggregation-framework
MongoDb Aggregation - Splitting into time buckets
Dec 10, 2018
mongodb
mapreduce
time-series
mongodb-query
aggregation-framework
Find documents whose array field contains at least n elements of a given array
Nov 06, 2022
mongodb
mongoose
aggregation-framework
Use mongodb aggregation framework to group by length of array
Nov 16, 2022
mongodb
mapreduce
aggregation-framework
Mongodb Aggregation $group, $sum and $sort
Sep 06, 2019
mongodb
aggregation-framework
nosql
Mongo aggregation framework unable to sort by two fields?
Mar 13, 2017
mongodb
sorting
pymongo
aggregation-framework
MongoDB Tree Model: Get all ancestors, Get all descendants
Oct 16, 2022
mongodb
tree
aggregation-framework
ancestor
descendant
Mongoose how to write a query with if condition?
Nov 10, 2022
node.js
mongodb
mongoose
aggregation-framework
mean-stack
Mongodb Aggregation by Day then Hour
Nov 22, 2021
mongodb
mongodb-query
aggregation-framework
How to group by the first element of an array?
Nov 02, 2020
mongodb
mongodb-query
aggregation-framework
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