> Do people really write recursive queries in the wild (non-recursive Datalog doesn’t count)?

I believe a lot of RDF systems demand fast, recursive inferencing. This might be helpful context: https://docs.oxfordsemantic.tech/reasoning.html#materializat...

> What’s the most interesting use of WITH RECURSIVE in SQL you’ve seen?

https://www.sqlite.org/lang_with.html#outlandish_recursive_q...