Having written a SQL->SQL compiler (), I can state that the language is a mess. I still like it better than the NoSQL tools I've used, though. () The company'

Having written a SQL->SQL compiler (), I can state that the language is a mess. I still like it better than the NoSQL tools I've used, though. () The company's product was, broadly speaking, a specialized analytics engine, with temporal features. The analyses were written in a dialect of SQL-92 (just SELECT statements, plus extra features for temporal logic and currency conversion), which I had to compile to PL/SQL and T-SQL to run as stored procedures.