Category "mongodb"

MongoDB aggregate for daily won/lost games, $cond is always false

I'm doing a couple of $match's and $unwind's and end up with a collection of documents looking like this: { _id:249776348, StartGameTime:1615789789, team:0, win

How can I download image using GridFSBucket?

I tried everything I found on internet but nothing solved my problem. I really need help on this problem. I'm following the tutorial "How to upload/store images

MongoDB/Mongoose Aggregate Data Duplicates, problem with displaying automatically created ID

I have a Customer DB and I want to aggregate through my data and display all the duplicates on frontend, I'm checking my get request with Insomnia and I get al

mongodb $geowithin for multiple collections

I have a collection with geojson points. I have another collection with geojson multipolygons. How can I run $geowithin against all the boundaries in another co

Can't insert data with mongoDB atlas; Error: queryTxt ETIMEOUT

I've tried to connect to mongodb with node.js, but get the following error. Although I've tried several available solution in this platform, like, changing my D

findOneAndUpdate - document query > 1000

So I have a collection that has over 1million documents clearly, I don't need to search 1000 or more documents as it should only be updating the latest document

Efficiently upsert thousands of records to mongodb

We have a database containing around ~20 Million records with an indexed field order_id. Every day, after each hour, we receive an incremental update, starting

Script that returns _id in MongoDB with JavaScript

I need a javascript code that saves in a variable the _id I'm having trouble getting that _id because it’s inside an array. I have looked everywhere but I

MongoDB - Better to split collection into multiple collections?

I have a collection Sensors. Sensors contains sensor data from different sensors from different location IDs. I will be running some analytics on this sensor da

$concat for one field in mongosh updateOne method

I want to update a particular document for the email field based on its id, but I don't want to overwrite the email field completely. Instead, I just want to ad

Mongo DB Update data

I want to decrease previours quantity by 1 how can I do this in Node Js Mongo Db Here is my code: app.put('/quantityUpdate',async(req,res)=>{

Pymongo: update document only if value of a field matches a provided value

Is it possible to update a document based on the condition that the value of a field in that document matches a value that I provide? I can easily do this in tw

Pymongo: update document only if value of a field matches a provided value

Is it possible to update a document based on the condition that the value of a field in that document matches a value that I provide? I can easily do this in tw

How to read and write BSON files with Spark?

I have many MongoDB dumps in gzip compressed BSON files, each with multiple documents. I would like to read them directly to Spark, ideally partitioning on indi

Many to many relation table field into MongoDB

While doing a many to many relationship in SQL we create a table that will have the ID of the 2 tables that are forming the relationship. Sometimes in that tabl

MongoDB Projecting specific values from objects in nested arrays according to filtering rules

I am quite new to MongoDB, using it first time on a large scale app. We have a complicated nested structure representing an object with multiple documents assoc

TypeError: Cannot assign to read only property 'message' of object 'SyntaxError: unknown: Missing semicolon. (1:12)

I am New to Mongo and Started Learning from Mango Basics. i am following the course and when I tried to write the Mongodump it is giving "SyntaxError: Missing s

express-session unable to retrieve session variable

I am using express-session to store my sessions persistently on a MongoDB database. The project worked perfectly in a development environment but for some reaso

Best way to structure deep time-series data in MongoDB?

I'm migrated from MySQL to MongoDB and looking to optimize the storage of my time-series data. Each item in my database has an array of values for multiple loca

Why does My chrome Browser show the issue "Audit usage of navigator.userAgent, navigator.appVersion, and navigator.platform"?

My chrome browser suddenly shows an issue like that A page or script is accessing at least one of the navigators.UserAgent, navigator.appVersion, and navigator.