Glossary term
What is CQRS? Meaning for developers
CQRS stands for Command Query Responsibility Segregation.
Separate models for writes and reads. Example: Writes to PostgreSQL; reads from a search index.
Learn it properly · System DesignLesson 39: Event-Driven Architecture for BeginnersThe order service calls seven other services and fails whenever any of them does. Event-driven architecture flips it: announce what happened and let whoever cares react. Events vs commands, the four patterns called “event-driven”, choreography vs orchestration, and sagas.