MongoDB Community Hub

Topic	Replies	Views	Activity
Finding count of unused series in a collection of books via aggregation and grouping Working with Data queries , aggregation	2	1010	January 20, 2023
$lookup takes 135ms with index and a collection with 5K records with another with 80 records Working with Data aggregation , performance	0	1376	January 19, 2023
Trigger Function - Reference last_execution date / time of trigger Atlas Triggers & Functions aggregation	1	1819	January 20, 2023
Sync analytical database from operational database within the same instance Working with Data replication	0	619	January 19, 2023
MongoClient Class not working with Morphia? (Java) Java Frameworks java , morphia-odm	1	4731	January 19, 2023
Issues in Unity with NuGet C# Driver Package Drivers dot-net , field-encryption , unity	3	4406	January 24, 2023
Unexpected behaviour with nestjs and Atlas data gathering Connectors & Integrations node-js , time-series	2	1486	January 19, 2023
Getting the count of nested array field in Mongo DB Working with Data queries , aggregation	2	3193	January 19, 2023
London MUG: MongoDB London Launch Meetup Europe data-modeling , atlas , atlas-device-sync , realm-web , london-mug	3	7784	January 19, 2023
Finding missing date using aggregation MongoDB Charts aggregation , next-js	1	2896	January 19, 2023
Mongo date format Working with Data	5	22303	January 24, 2023
Driver Version MongoDB Drivers java	2	2816	January 19, 2023
MongoServerSelectionError: connect ECONNREFUSED insdie docker container Ops and Admin node-js , containers	17	16189	January 19, 2023
(Newcomer) How do I write real JavaScript programs for Mongo/Compass? Working with Data php , python , cxx , compass	30	7061	January 19, 2023
How to lookup in array using pipeline variables? Node.js Frameworks queries , aggregation , node-js , mongoose-odm	0	1150	January 19, 2023
Are the change events of a transaction always guaranteed to appear in the order in which they are executed? Working with Data change-streams , transactions	1	2321	January 19, 2023
Whether mongodb clustered collection should be used instead of non-clustered collection Working with Data data-modeling	0	1078	January 19, 2023
Best way to build a MEVN stack Working with Data	1	4868	January 19, 2023
Aggregate pipleline to generate new fields from the array Working with Data queries , aggregation	1	802	January 19, 2023
Match query for json object mongodb data returning empty array MongoDB Atlas aggregation , node-js	4	3233	January 19, 2023
Enable Data API via atlas cli / curl MongoDB Charts atlas , data-api	2	2876	January 19, 2023
MongoDB Text Index are not getting created Node.js Frameworks aggregation , indexes , node-js , python , mongoose-odm	2	2328	January 19, 2023
Connectivity Issues when connect to mongodb from vps Connectors & Integrations	1	1326	January 19, 2023
I am getting this error while use of parse query during login verification Drivers queries , server	2	5172	January 19, 2023
MongoDB server 6 on CentOS: Can't add IP bind address Installation & Upgrades configuration , security	9	5789	January 18, 2023
Indexes management Replication aggregation , indexes	1	1416	January 18, 2023
BsonElement mapping for Objects and Arrays of Objects Drivers dot-net	1	1303	January 18, 2023
Problems with using @mongodb-js/charts-embed-dom to embed a chart from MongoDB MongoDB Charts charts	7	3746	January 18, 2023
Atlas Search Array Size Atlas Search atlas-search	3	1634	January 18, 2023
TypeError: Object prototype may only be an Object or null: undefined Drivers node-js	2	4010	December 7, 2022