Backend Development Mastery with Node.js | Vishwa Mohan - MongoDB Nested Schemas & Constraints | Model Relationships Like a Pro | Day 31

In Day 31 of the Backend Development Mastery series, we dive deep into Nested Schemas and Data Constraints in MongoDB using Mongoose. Understanding how to structure complex data and enforce rules within your models is key to building robust and scalable backend systems. In this hands-on session, you'll learn how to confidently design nested schemas and apply validation constraints effectively. 🔍 In this video, you’ll learn: What are nested schemas and when to use them How to create and use nested documents in Mongoose Applying constraints like required, enum, min/max, and custom validators How to combine referencing and nesting in real-world models Best practices for schema design in complex applications Whether you're designing user profiles, orders with multiple items, or embedded comments, this tutorial will help you model your data like a pro. 📌 Don’t forget to like, comment, and subscribe for more backend dev content!