Sometimes you want to demo a deadlock. It’d be really neat if you could show people what you were talking about with a fiddle link.

This `feature-request` acknowledges that concurrency support is likely a **significant** amount of work on the backend since the current db<>fiddle batch mode is strictly serial. Still though - this would be a great utility to have.

[HT Mr Darnell](https://topanswers.xyz/transcript?room=4&id=60763&year=2020&month=7&day=23#c60763)