Nest JS Tutorial #31: One-to-One Relationship using Referencing in MongoDB (Hindi/Urdu)

Master One-to-One Relationship using Referencing in MongoDB!
In this step-by-step tutorial, I’ve explained how to implement One-to-One Relationships using the Referencing Data Modeling Technique in NestJS and MongoDB with complete real-life example. I’ve also explained the use of populate() in Mongoose to fetch related data across collections. Everything is demonstrated practically with API testing in Postman.

✅ Topics Covered:

* What is Referencing in MongoDB?
* One-to-One Relationship using Referencing
* Difference between Embedding vs Referencing
* How populate() works in NestJS + Mongoose
* Creating and connecting referenced schemas
* API development and testing in Postman
* All these are covered with beginner-friendly explanations, real-world use cases, and clean code architecture using NestJS in Hindi/Urdu.

🎯 Perfect for anyone aiming to become a Backend Developer in 2025 using modern NestJS practices!

Source Code:
https://github.com/farzeen-ali/MongoDB-with-Nest-JS

NestJS Tutorial 2025:
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React Native Full Course 2024 :
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Angular 19 Tutorial:
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React Native Expo CLI Tutorial:
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Node JS + Express JS Tutorial:
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Видео Nest JS Tutorial #31: One-to-One Relationship using Referencing in MongoDB (Hindi/Urdu) канала The Techzeen