I cannot warn folks against using q/kdb+ enough. Use Polars or DuckDB, get the job done, and enjoy your life.
As somebody who hacks on, around and in esoteric languages for fun; I must object.
I'm sure there was a time it was best in class and even now maybe it's the best for a few niche use cases, but unless you're absolutely certain you need it, I would flee from it and save your sanity.
Yeah...Oracle licensing sounds scary and having to pay to fix their own memory leaks sounds frustrating.
Thanks for the experience.