Change Tracker in Entity Framework Core

Опубликовано: 27 Март 2026
на канале: Rahul Pandey
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In this video, we deep dive into Change Tracking in EF Core and understand how Entity Framework Core decides whether to generate an INSERT, UPDATE, or DELETE query when you call SaveChanges().

If you are working with ASP.NET Core Web API, MVC, or Clean Architecture, understanding EF Core change tracking is absolutely essential for writing optimized and scalable applications.

🚀 In this video, you will learn:

1.What is Change Tracking in Entity Framework Core
2. The 5 Entity States: Detached, Added, Unchanged, Modified, Deleted
3.How EF Core detects changes internally
4.How SaveChanges() works
5.How to view tracked entities using ChangeTracker
6.When to use AsNoTracking()
Common mistakes with long-lived DbContext


This video is perfect for:

1. .NET Developers
2. ASP.NET Core API Developers
3.Developers preparing for .NET interviews
4.Anyone working with Clean Architecture + EF Core

Developers who want to write optimised data access code

Understanding change tracking will help you:
✔ Improve performance
✔ Avoid unnecessary database updates
✔ Prevent memory issues
✔ Write better APIs
✔ Crack .NET interviews


📌 Timestamps:
00:00 Introduction
01:09 Change Tracking State
11:23 AsNoTracking
13:00 Summary

Source Code Link
https://github.com/rahulpandey15/efco...