CQRS and Domain-Driven Design

Command-Query Responsibility Segregation (CQRS) builds on top of the many concepts introduced in Domain-Driven Design (DDD), and both architectures have influenced one another. Although knowing Domain-Driven Design isn’t required to understand the contents of this book, we suggest reading about it beforehand because it’ll help you out in your journey toward learning and understanding CQRS. In this chapter, we’ll briefly introduce you to the topic. If you’re already familiar with Domain-Driven Design, feel free to skip to the next chapter.

What’s All the Fuss About?

Domain-Driven Design is an approach that helps us succeed in understanding, designing, and building software models that solve complex business problems. ...

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