# Meltano Playground



- Install meltano
- start project
- add extractor and loader
- configure extractor and loader
- meltano run name-of-extractor name-of-loader



psql -h localhost -p 5432 -U app -d app_db -c "SELECT 'customers' AS table, COUNT(*) FROM public.customers UNION ALL SELECT 'pizza_orders', COUNT(*) FROM public.pizza_orders;"


psql -h localhost -p 5444 -U dw -d dw_db -c "SELECT 'customers' AS table, COUNT(*) FROM tap_app.customers UNION ALL SELECT 'pizza_orders', COUNT(*) FROM tap_app.pizza_orders;"