Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Web API Development with ASP.NET Core 8

You're reading from   Web API Development with ASP.NET Core 8 Learn techniques, patterns, and tools for building high-performance, robust, and scalable web APIs

Arrow left icon
Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781804610954
Length 804 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Xiaodi Yan Xiaodi Yan
Author Profile Icon Xiaodi Yan
Xiaodi Yan
Arrow right icon
View More author details
Toc

Table of Contents (20) Chapters Close

Preface 1. Chapter 1: Fundamentals of Web APIs 2. Chapter 2: Getting Started with ASP.NET Core Web APIs FREE CHAPTER 3. Chapter 3: ASP.NET Core Fundamentals (Part 1) 4. Chapter 4: ASP.NET Core Fundamentals (Part 2) 5. Chapter 5: Data Access in ASP.NET Core (Part 1: Entity Framework Core Fundamentals) 6. Chapter 6: Data Access in ASP.NET Core (Part 2 – Entity Relationships) 7. Chapter 7: Data Access in ASP.NET Core (Part 3: Tips) 8. Chapter 8: Security and Identity in ASP.NET Core 9. Chapter 9: Testing in ASP.NET Core (Part 1 – Unit Testing) 10. Chapter 10: Testing in ASP.NET Core (Part 2 – Integration Testing) 11. Chapter 11: Getting Started with gRPC 12. Chapter 12: Getting Started with GraphQL 13. Chapter 13: Getting Started with SignalR 14. Chapter 14: CI/CD for ASP.NET Core Using Azure Pipelines and GitHub Actions 15. Chapter 15: ASP.NET Core Web API Common Practices 16. Chapter 16: Error Handling, Monitoring, and Observability 17. Chapter 17: Cloud-Native Patterns 18. Index 19. Other Books You May Enjoy

Understanding the difference between tracking versus no-tracking queries

In this section, we will discuss the difference between tracking and no-tracking queries. What are tracking queries and no-tracking queries? Let us start from the beginning!

In the early days of .NET, the term SqlHelper was popular to refer to a static class that provided a set of methods to execute SQL queries. While SqlHelper simplified the process of executing SQL queries, developers still had to manage connection and transaction objects, write boilerplate code to map results to model objects, and work directly with the database.

ORM frameworks such as EF Core were created to solve these problems. They not only simplify the process of executing SQL queries and mapping the results to model objects but also provide the ability to track changes made to the entities returned by queries. When changes are saved, EF Core generates the appropriate SQL queries to update the database. This is called tracking and...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime