> What else is declarative / pure? SQL. Thank you. People so often forget (or don’t realize) that their RDBMS is also doing a ton of optimization on their quer

> What else is declarative / pure? SQL. Thank you. People so often forget (or don’t realize) that their RDBMS is also doing a ton of optimization on their query, and a primary reason it’s able to do so in real-time is because SQL is declarative.