[ErwinSmout]

"There were also definitely some bad paradigms invented as a result of SQL (e.g. all business logic lives in the database as stored procedures or stored functions),"

I hope you don't mean by that that integrity enforcement (checking the compliance of the data with ALL declared business rules) does not belong in the DBMS. Because the exact opposite is true : inside the DBMS is the only place where it belongs. Or if not the only, then certainly still the primary.