Need help, I am trying to learn nodejs from youtube. I have created below but not getting any response from browser. Can you please check below code and advise what I have missed?? if I removed the courseModel.find ... from…
I want to replicated a single database of a mongoDB-Server. There are four databases on the server: Server A to replicated Server B database 1a database 1b database 2a database 2b database 3a --------------> database 3b database 4a database 4b…
Get data from two collection from first collection(test1) all data and from second collection (test2) customer name using createdBy and updatedBy from test1 collection. In createdBy and updatedBy I want fullname from test2 collection: Test1 collection: { "_id": "kcXtyaB7jGPw9Ks", "dateCreated":…
I am pulling data from 2 collections as shown in this MongoDB playground. While pulling the data from the second collection, I want to create a match on tag, such that only those posts are returned that have the particular…
I'm trying to remove the keys from a mongoengine Document in python: document.update(unset__name=True) document.update(unset__surname=True) document.update(unset__dob=True) ... but instead of the above I would like to loop through them and use a variable, something like: document.update(unset__<key>=True) Is this possible?
I'm working on a NestJSxMongoose store management project. I have this piece of code in which I want to update some items in the database and put those updated items in an array that I will use later. const updatedItems:…
We have three nested arrays: principalCredits with 2 objects credits with 2 objects each awardNominations.edges with variable totals from 0 to 3 The task is to add a field to the third array of objects awardNominations.edges based on a lookup…
I have a model called Product: class Product { constructor(title, price, description, imageUrl) { this.title = title; this.price = price; this.description = description; this.imageUrl = imageUrl; } save() { const db = getDb(); return db.collection("products").insertOne(this) .catch(error => dbDebugger(error)); } static…
Given documents like the one below, I'd like to return _id only if all elements of the input_array matches the list of available objects. For these examples, the first object should match while the second does not because key3 in…
Just looking for a bit of guidance. I am connected to my local mongoDB instance and I am trying to build a query that will add a unique objectID to every object in an array that doesn't have an _id…