Three techniques for sum types in SQL (absorption, separation, and partition): https://www.parsonsmatt.org/2019/03/19/sum_types_in_sql.html Also, here is a relational database system with native support for sum types…
Three techniques for sum types in SQL (absorption, separation, and partition): https://www.parsonsmatt.org/2019/03/19/sum_types_in_sql.html Also, here is a relational database system with native support for sum types…