Tips and Tricks #218: Implement Idempotent ETL with Merge Statements
Use MERGE (upsert) for safe, rerunnable data pipelines that handle duplicates gracefully.
Orchestrating Chaos: Why AWS Step Functions Became My Secret Weapon for Building Resilient Distributed Systems
Three years ago, I inherited a distributed system that processed insurance claims across twelve microservices. The orchestration logic lived in a tangled web of message queues, retry handlers, and compensating…
Tips and Tricks #217: Use Window Functions for Running Calculations
Calculate running totals, rankings, and moving averages efficiently with SQL window functions.
Tips and Tricks #216: Apply Strangler Fig Pattern for Legacy Migration
Gradually replace legacy systems by routing traffic to new implementations incrementally.
Tips and Tricks #215: Implement Domain Events for Loose Coupling
Use domain events to decouple components and enable reactive architectures.
Tips and Tricks #214: Use CQRS for Complex Domain Logic
Separate read and write operations for better scalability and simpler code.