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Event Sourcing and CQRS in Practice

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A practical guide to event sourcing and CQRS, covering event design, aggregates, projections, consistency, replay, schema evolution, testing, and operational repair workflows.

Level: intermediateLanguage: EN EnglishRating: 0Reviews: 0

Technology Software Architecture GAUAB Academy Architecture Software Architecture Testing Practice Event Sourcing CQRS

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Book contents

01Chapter 1: Why Store Events Instead of Only State 02Chapter 2: Commands, Events, Aggregates, and Projections 03Chapter 3: Designing Meaningful Domain Events 04Chapter 4: Consistency, Ordering, and Idempotency 05Chapter 5: Separating Write Models and Read Models 06Chapter 6: Building Projections and Materialized Views 07Chapter 7: Handling Eventual Consistency in User Interfaces 08Chapter 8: Event Versioning and Schema Evolution 09Chapter 9: Replay, Backfills, and Projection Repair 10Chapter 10: Testing Event-Sourced Systems 11Chapter 11: Snapshots, Compaction, and Performance Trade-Offs 12Chapter 12: Debugging Historical State and Audit Trails 13Chapter 13: Build an Event-Sourced Order Workflow 14Chapter 14: Build a CQRS Reporting Projection 15Chapter 15: Handle Bad Events and Data Repair 16Chapter 16: Operate an Event-Sourced System 17Appendix E: Deeper Practice and Extra Examples

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