Day 174: Event Sourcing and CQRS: Advanced Patterns
Автор: Hands On Course Demo
Загружено: 2026-01-04
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When Your Database Tells Stories Instead of States
At 2 AM, your payment system goes down. You restore from backup, but customers are reporting duplicate charges. The audit team needs to know exactly what happened at 11:47 PM when the bug was deployed. Your traditional CRUD database shows current balances, but the story of how money moved—the sequence of deposits, withdrawals, and transfers—is gone forever. Event Sourcing would have preserved every state transition as an immutable fact, letting you replay history and debug the impossible.
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