every language need easy access to a query-ble database many problems are a lot simple when solved declaratively as a query-ble database
the relational model, is functional, and is a very good solution to a wide range of problems
i think the Sqlite engine should be integrated in the standard library of every language, and either use sql, or the language can provide a native sql alternative in the original language itself, or we can create a new standard language (because yes, sql can be improved upon)
I think Chris Date D language can be a place to start to investigate SQL alternative , or as a language that can be more easily emulated in other languages