We manufacture hardware devices at various locations around the world and use several proprietary C++/Java/Python applications that produce a variety of manufacturing-related, per-device data stored to local files and SQLite DBs, each having varying schemas. Each device has a unique identifier that is used as a record key in each of the DBs. We want to copy/map the local DBs (and related data files) to a unified, cloud-based Azure Postgres DB/Data Store. The cloud DB has a different schema than the...