Microservices with Azure

Solution

The CQRS pattern is like the CQS pattern with one major distinction – CQS pattern defines commands and queries as different methods within a type, whereas, the CQRS pattern defines commands and queries on different objects.

What this distinction means is that you can implement CQS in your applications by separating commands and queries as separate methods in a class, while retaining the same processing model to process both the models. CQRS, on the other hand completely separates the processing of commands and queries. Thus, the two patterns vary in scopes. The scope of the CQRS pattern is a bounded context, while the scope of CQS is a single class:

Structure of CQRS system

The preceding diagram presents the structure of a CQRS ...