Software Architect's Handbook

Advantages of CQRS

CQRS is well suited to complex domains and it provides a separation of concerns that helps to minimize and manage the complexity. Separating a system into query and command models makes it more maintainable, extensible, and flexible. Development teams can also be organized so that one team focuses on the query model while another focuses on the command model.

Segregating the responsibility between commands and queries can help to improve performance, scalability, and security. Performance can be improved by optimizing the schema specifically for each model. The schema for the query model can be optimized for queries, while the schema for the command model can be optimized for updates. Data in the query model's data store ...