MongoDB MongoDB Interview Questions and Answers SECTION 1: MongoDB Basics & Core Concepts 1. What is MongoDB and how does it differ from traditional RDBMS? MongoDB is a NoSQL, document-oriented database that stores data in BSON (Binary JSON) format. Unlike RDBMS (Relational Database Management Systems), MongoDB does not rely on tables and rows. Instead, it […]
Node.js & Express.js Node.js & Express.js Interview Questions and Answers Section 1: Core Node.js Concepts (20+ Questions) 1. What is the event loop in Node.js? The event loop is the mechanism that allows Node.js to perform non-blocking I/O operations by offloading operations to the system kernel. It continuously checks the call stack and callback queue […]