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Details in CQRS pattern - Azure Architecture Center | Microsoft Learn

Problem

  • In complex applications, read side and write side can become complicated. Read side can returns data transfer objects (DTOs) with different shapes; Write side can implement compex validation and business logic.

Solution

  • Separate the read from the write side :

    • example 1 : implement materialized view for the read side and stored procedures for the write side.

    • exemple 2 : implement 2 different data stores, one for the read side which is a document DB and the other, for the write side which is a relational DB.

    • …