So any transformation thay requires accessing something else than the data must be done in sql? Connecting to a ftp, parsing a yaml file, getting data from a rs

So any transformation thay requires accessing something else than the data must be done in sql? Connecting to a ftp, parsing a yaml file, getting data from a rst api? And then text, date and maths opeartiond also in sql? Yeah, no. Sql is good at look up and filtering, but not for linking heterogenous sources and massaging data.