Grokking Microservices Design Patterns
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The Architecture of the CQRS Pattern
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Different Command and Query Models

Command Model

The command model's job is to handle all write operations. It is responsible for maintaining the integrity and consistency of our data. You can think of the command model as a disciplined librarian, ensuring every book (data) is in its proper place. It receives commands, performs necessary validations, applies business rules, and alters the state of the system.

Query Model

On the other hand, the query model is responsible for handling all read operations. It provides the current state of the system to the users

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