An interface that allows me to write SQL to retrieve data from my tables.
This was suggested before (#6079113) but that suggestion also requested triggered actions. That request is now marked complete because you implemented triggered actions, so It seems it would do no good to up-vote that request. This would be so useful and so easy to implement. Just give us a text area to write a query and way to see the results. Data.world has a good example: https://data.world/thegove/lorenzo-shipping-company/workspace/query?queryid=sample-0