CQRS and Event Sourcing Resources

1. Articles

1.1. By Martin Fowler

>> CQRS | Martin Fowler

>> Event Sourcing | Martin Fowler

1.2. By Greg Young

>> The cost of creating a stream

>> Projections vs RxJS vs etc

On Projections:

• >> Projections 1: The Theory

• >> Projections 2: A Simple SEP Projection

• >> Projections 3: Using State

• >> Projections (intermission)

• >> Projections 4: Event Matching

• >> Projections 5: Indexing

• >> Projections 6: An indexing use case

• >> Projections 7: Multiple Streams

• >> Projections 8: internal indexing

1.3. By Others

>> Eventually Consistent – Revisited | Werner Vogels

>> Command–query separation | Wikipedia

>> Introduction to CQRS

>> Introduction to Domain Driven Design, CQRS and Event Sourcing

>> CQRS

>> When to avoid CQRS

>> When NOT to use CQRS?

>> DDD/ES – Missing Guidance

>> Aggregates + Event Sourcing distilled

2. Presentations, Talks

>> Developing Applications with the Microservices Architecture by Chris Richardson (Complete)

>> hack.summit() – Chris Richardson – December 2014 (+ slides)

>> Greg Young – CQRS and Event Sourcing – Code on the Beach 2014

>> GregYoung 8 CQRS Class

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