CQRS and MediatR
In this article, we are going to discuss the working of CQRS and MediatR patterns and step-by-step implementation using .NET Core 6 Web API. Agenda Introduction of CQRS Pattern When to use CQRS MediatR Introduction of CQRS Pattern CQRS stands for Command and Query Responsibility Segregation and uses to separate read(queries) and write(commands). In that, queries perform read operation, and command perform writes operation like create, update, delete, and return data. As we know, in our application we mostly use a single data model to read and write data, which will work fine and perform CRUD operations easily. But, when the application becomes a vast in that case, our queries return different types of data as an object so that become hard to manage with different DTO objects. Also, the same model is used to perform a write operation. As a result, the model becomes complex. Also, when we use the same model for both reads and write operations the security is also hard to manage when t