MongoDB stores data records as BSON documents. BSON is a binary representation of JSON documents, though it contains more data types than JSON. BSON data
Category: MongoDB
MongoDB is a free and open-source cross-platform document-oriented database program.
MongoDb – Update Queries
MongoDB Update Method The update method modifies the document(s) in a collection. Using the update method we can modify an entire document or a specific
MongoDb – Queries
Sample Document Git { “index”: NumberInt(0), “name”: “Aurelia Gonzales”, “isActive”: false, “registered”: ISODate(“2015-02-11T04:22:39+0000”), “age”: NumberInt(20), “gender”: “female”, “eyeColor”: “green”, “favoriteFruit”: “banana”, “company”: { “title”: “YURTURE”,
MongoDb Array Update Operators
2. $addToSet 3. $pop 4. $pull 5. $pullAll 6a. Positional Operator $ 6b. Positional Operator $ in Nested Docs 7.Positional Operator $ with $elemMatch 8.
MongoDb – Data Modeling Concept
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MongoDb – Data Modeling
Document Structure The key decision in designing data models for MongoDB applications revolves around the structure of documents and how the application represents relationships between
Working with subdocuments
The Difference between a Sub document and an Embedded Field db.books.find(“author.lastname”: “Steinbeck”) // Embedded Field I am searching for a field embedded within a sub
MongoDB and Mongoose Cheatsheet
Reference Mongoose APIs Mongoose Query APIs Cheat Sheet MongoDB $mongod : start MongoDB server (localhost:27017) $mongo : open MongoDB console (connect to local server by
MongoDb Cheat Sheet
MongoDB Cheat Sheet Show All Databases show dbs Show Current Database db Create Or Switch Database use acme Drop db.dropDatabase() Create Collection db.createCollection(‘posts’) Show Collections
Interview Questions Js, Angular, Nodejs
Angular 6 vs Angular 5 vs Angular 4 – What’s New in Angular 6? 69 Best Angular 2 Interview Questions and Answers Angular 8 Interview