I have a node.js express app with MongoDB database and what I want is to be able to update the database based on time Interval. For example Increase a number field automatically every 7 days for each user based on…
Am trying to fetch documents which has exact elements in an array. I already knew the array size so am trying to use $all and $size operator it doesn't work out. My Documents sample { "_id" : ObjectId("6395b0d9d35a57df142862dd"), "users" :…
According to Atlas App Services (http.get), I've created a simple API that allows me to query documents using the equal sign "=". E.g. (field is color and value is red) https://www.example.com/toys?color=blue Do you know how to pass multiple values into…
i'm new in mongo and i try do make a connection but i receive an error that i don't kwon how to solve, the error is the below: MongooseError: The `uri` parameter to `openUri()` must be a string, got "undefined".…
I am just making a database called Fruits from my app.js and connecting the database to MongoDB using Mongoose. const mongoose = require("mongoose"); mongoose.connect("mongodb://localhost:27017/fruitsDB", {useNewUrlParser: true}); mongoose.set('strictQuery', false); const fruitSchema = new mongoose.Schema({ name: String, rating: Number, review: String });…
Need help with mongo db query Mondo db query - search for parents with state good and children with state bad or missing. output should be an array of all the children with state bad or missing from parents with…
in the following example I have a company named Colors Company that owns many shops { _id: ObjectId("78391283"), name: "Colors company", shops: [ {shopID: ObjectId("123456a1cb"), income: 0}, {shopID: ObjectId("2a1cb67890"), income: 0}, {shopID: ObjectId("2a1cb010111"), income: 0}, ... ], } I need…
I have a problem while updating an array. sample document : _id:11, marksObtained:[{physics:10}, {chemistry:12}, {maths: 11}, {biology:9}, {social:9}] name:"Someone" field to update is: [{chemistry:13},{zoology:12}] So the new document looks like: _id:11, marksObtained:[{physics:10}, {chemistry:13}, {maths: 11}, {biology:9}, {social:9},{zoology:12}] name:"Someone" marks in…
I am confused on the best practices for using Mongoose with express js with trying to render a page that contains data (with EJS). I know of the two following methods: Method 1: using Async/Await app .route("/") .get(async (req, res)…
When I start build my backend server, I get this deprecation warning, but it's showing that I'm connected to the database. I just searched for a solution in YouTube and recreated it again, but it's still showing the deprecation warning.…