I have a collection with child reference. Each document can have multiple parents. How can I query it with $graphLookup in order to make a result prepared for a
I apologize for the vague question description, but I have quite a complex question regarding filtration in MongoDB aggregations. Please, see my data schema to
So, I have a collection like this: [{ "name":String, "address":String, "hobby":Array of Strings }...] Every hour I query an API and get the response l
We have requirement to execute replaceOne operation with db.runCommand() I checked list of commands from here, but i haven't found any command to replace one do
For example I have the array ["java", "perl", "scrum"] and the following documents: { id: 1, title: "Java Software Developer" }, { id: 2, title: "Senior
I'm working on a web application built using SpringBoot as backend and MongoDB as DBMS. I'm showing all the latest posts in a web page. In the PostRepository.kt
I'm trying to insertMany() items into my Mongo database but I would like to skip duplicate IDs. I'm using Node.js and mongodb. I have some data: const myExam
I want records which if type have 0 or 2 than status should not equal to 0 and if type = 3 then ignore status. I tried this way but not working. db.activities.f
I have tried the following steps to install and setup mongodb in my mac from here https://docs.mongodb.com/manual/tutorial/install-mongodb-on-os-x/ but I got th
I have been trying to update an Object for this collection. Below is the collection. Looking for Server 3.6 version. Here The ask is Need to update the class na
My Mongo schema looks like this, I want to update a flashcard object located in an array of flashcard also located in an array of subject. const classrooms = ne
I'm pretty new to Mongo. I have two collections that look as follows. Order collection [ { id: 1, price: 249, store: 1, status: true
I have a document that contains an array of arrays in my MongoDB collection. { "platformId":"CMC_123", "carInfo":[ ["Toyota",20,"White"],
In reservation system, only 5 different user can create bookings. If 100 user call booking api at same time than how to handle concurrency with locking. I am us
I have to delete all the data called owner.login. It means in json data, there are one more Object called owner. So I tried in MongoSH Beta(MongoDB Compasss) an
db.system.js.insertOne({ _id: 'getMachinewiseLogDat', value: function () { return db.Smx_22235_ShiftOEEDaily.aggregate([ { $group: {
After some of the aggregation pipeline stages, my MongoDB Document has the following format: { "key": "A", "status": "To Do", "val": 4 }, {
I have documents with the following structure: {field: ["id1", "id3"]}, {field: ["id2", "id1"]} To query the documents I use aggregate({$match: {'field' : { $i
I am working on a project and it currently goes through each document to edit the field and lags a lot. { "Name" : "Susie" , "This Semester" : 10 , "Last Semest
I want to use this mongoDB collection: [ { "_id": { "$oid": "627c4eb87e7c2b8ba510ac4c" }, "Contact": [ { "name": "ABC",