Nope, sorry mate. It was a long time ago. I did find [1] which seems similar-ish (I have no idea what "w3resource" is) but I think our schema back then had a lot more tables and the questions were a bit more diverse.

[1] https://www.w3resource.com/sql-exercises/employee-database-e...

A bunch of the leetcode like interviewing sites have SQL sections, like hacker rank