"ProductCategory": [ { "_id": "6246e0d09b16cf549256ed75", "name": "Arduino Boards", "desc": "this is for demo purpose"
I would like to count different hu for a shipment. So I write this query but how I can count different hu group by shipment ? my query : db.eventstranslated.agg
var mongoose = require("mongoose"); const Schema = mongoose.Schema; let CryptoJS = require("crypto-js"); function encrypt(text) { try { let ciphertext =
I have a collection where I store unique uID for a user and I also have to register them manually. While registration I pass multiple IDs in an array and now I
I have a collection "Owners" and I want to return a list of "Owner" matching a filter (any filter), plus the count of "Pet" from the "Pets" collection for that
I have a list of commentDocument collection in MongoDB where each has the following structure: { "commentName": "test comment", "outputs": { "ex
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