[asavinov]

> I think SQL is irritatingly non-composable, many operations require gymnastics to express

One approach to radically simplify operations with data is to use mathematical functions (in addition to mathematical sets) which is implemented in Prosto data processing toolkit [0] and (new) Column-SQL [1].

[0] https://github.com/asavinov/prosto Prosto is a data processing toolkit - an alternative to map-reduce and join-groupby

[1] https://prosto.readthedocs.io/en/latest/text/column-sql.html Column-SQL (work in progress)