From OLAP to OLTP: How Copel Simplified Reverse ETL Using BigQuery's Native Export to AlloyDB

Google Cloud has launched general availability of BigQuery's native export capability to AlloyDB, enabling direct, declarative SQL-based data transfers from analytical to transactional systems without intermediate staging or complex orchestration. Copel, a Brazilian utility, leveraged this feature to replace a brittle, multi-stage Reverse ETL pipeline using Airflow and Cloud Storage, significantly simplifying data synchronization for real-time operational systems.