5min chapter

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Functional, DRY, and Bi-Temporal Models

Add Dot

CHAPTER

Event Sourcing and CQRS in a Fintech Environment

Event sourcing is an approach to store application data based on the changes that happens in the system so it's not like regular state persistence where we are just taking a snapshot of the current state. By storing those different events and state changes we have the historical data for free that we can use uh in a way is that business people don't even expect at the time we're storing them.

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