Below are two videos dealing with advanced queries to SQL from PowerApps (using Flow). For SQL Azure you can use direct (native) queries: https://youtu.be/DII10gK715I
For on-premesis SQL servers, native queries are not supported from Flow (you will get an error: operation Execute Native Sql is currently not supported using an on-prem gateway connection), so we have to use stored procedures to accomplish the same: https://youtu.be/BAGBzI4zdww
Please let me know if you don't come right.
Dawid van Heerden Follow on Twitter: @davestechtips Subscribe to YouTube: https://www.youtube.com/davestechtips?sub_confirmation=1 **If you found this reply helpful, please mark this as the answer to close the topic and make it easier to find for other people with similar questions.