Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8 Vertical Slice Architecture 6 Domain-Driven Design 12

2 posts found #cqrs

Newest Oldest Popular

Software Design PART 15

Command Pattern: Turning Requests into Objects, Undo/Redo and Queuing

Command packages a request as an object, so an invoker can run it, undo it, queue it and log it without knowing what it does. An undo/redo stack and a MacroCommand in Bookstore's catalog editor, System.Windows.Input.ICommand in the BCL, serializing commands with System.Text.Json and running them in the background through a Channel, how a GoF command differs from a CQRS command, MediatR 13's license and a library-free dispatcher.

7 Nov 2026 14 min 7

Database PART 23

EF Core and Architecture: Repositories, the Read Side of CQRS and Moving to Dapper

With real SQL we see how a generic repository silently moves the WHERE into memory, and discuss DbContext already being a unit of work. We finish the core block with an aggregate-specific repository, projections on the CQRS read side and Dapper sharing the same connection and transaction.

5 Nov 2026 10 min 26