What is MongoDB MongoDB is an open-source, NoSQL database that stores data in a flexible, JSON-like format called BSON (Binary JSON).

Difference between MongoDB and MySQL

• MySQL : MySQL is a relational database management system (RDBMS) that organizes data into structured tables with predefined schemas.
• MongoDB : MongoDB has a flexible schema. Each document in a collection can have a different structure, which allows for easy adaptation to evolving data requirements.

What is Express

• Express.js is a powerful web application framework for Node.js that provides a minimalistic yet robust set of features for building web and mobile applications.
• It offers flexibility, routing capabilities, middleware support, and integration options, making it a popular choice among developers

What is React

• React.js is a JavaScript library for building user interfaces using either javascript or typescript.
• It allows developers to create interactive and dynamic web applications by breaking down the user interface into reusable components.
• There are many other frameworks like Next.js, Vue.js, Swelte, Angular etc

What is Node - Node is an open source , runtime environment to run JavaScript code in server instead in browser , it is used to write server side applications.

Difference between vanilla Js and Node Js - Node runs in server as it is used for server side applications and vanilla js runs in browser as it is used for developing client side application - node use global object instead of window object