🌊 Delta Lake Open Table Format

High-performance ACID transaction layer over MinIO object storage with Change Data Feed (CDF), Time Travel, and Schema Evolution.

Delta Table	Current Version	Storage URI	Partitions	ACID Features
fleet_telemetry_silver	v4	s3://lakehouse/delta/fleet_telemetry_silver/	vehicle_type, region	ChangeDataFeed, AppendOnly
battery_degradation_gold	v2	s3://lakehouse/delta/battery_degradation_gold/	battery_chemistry	DeletionVectors, Checkpoints

⚡ Federated Querying via Trino / Spark

-- Query Delta Lake directly in Trino
SELECT vehicle_type, AVG(battery_temp), COUNT(*) 
FROM delta.lakehouse.fleet_telemetry_silver 
FOR TIMESTAMP AS OF (CURRENT_TIMESTAMP - INTERVAL '1' DAY)
GROUP BY vehicle_type;