This is something we saw at Chartio very early on. It's why we built the concept of layers directly into our product to support cross-DB networked joins: https

This is something we saw at Chartio very early on. It's why we built the concept of layers directly into our product to support cross-DB networked joins: https://support.chartio.com/quick-start/#layers https://support.chartio.com/quick-start/#layers Feel free to reach out to me (aj at chartio.com) for more info!