How does Rails handle CQRS (Command Query Responsibility Segregation)?

Updated May 24, 2026

Short answer

CQRS separates read and write operations into different models or services.

Deep explanation

In Rails, CQRS can be implemented by separating command models (write side) from query models (read side). Writes update domain state, while reads use optimized projections or denormalized tables. This improves scalability and performance in complex systems.

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