NestJS #45 - MongoDB & Mongoose | Discriminators | Schema Inheritance Mechanism | (Hindi)
In this video, we will look into a very special feature of Mongoose which is Discriminator. The Discriminators are a Schema Inheritance Mechanism. They allow us to have multiple models inheriting common fields from a parent schema, and stored under the same MongoDB collection.
▬▬▬▬▬▬ 🔗 Links ▬▬▬▬▬▬
► GitHub (Source code): https://bit.ly/3CG9QAz
► NestJS - Mongoose Schemas : • NestJS #40 - MongoDB & Mongoose | Schemas ...
▬▬▬▬▬▬ 📚 CHAPTERS ▬▬▬▬▬▬
00:00 - Introduction
00:42 - Discriminators Concept
01:24 - Student & Employer Schema
03:08 - Discriminator Key on Parent Schema
04:57 - Registering Child Model with Parent Model
06:22 - CRUD - Students & Employers Module
08:09 - Using Child Models - Employers & Student
09:27 - Performing CRUD Operation
11:44 - Mongoose Schema Inheritance vs Prototypal Inheritance (Class Inheritance)
14:06 - Discriminator Key Rules & Constraints
16:52 - Cons of Discriminators
18:13 - Closing notes
▬▬▬▬▬▬ 🔖 RECOMMENDED COURSES ▬▬▬▬▬▬
🎬 Angular In-Depth (Hindi) - https://bit.ly/34nHrBh
🎬 Angular Architecture - • 1. Angular Architecture | Angular In Depth...
🎬 NestJS Framework | Backend Development (Hindi) - https://bit.ly/3titPk3
🎬 RxJS - The Practical Guide (Hindi) - https://bit.ly/3GBcXsf
🎬 RxJS - Promise vs Observable | A depth comparison - • 5. RXJS - Promise vs Observable | A depth ...
🎬 RxJS - Introduction to Reactive programming - • 1. RXJS - Introduction to Reactive program...
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