Will require changing attributes and foreign key types from String and String to (String,String) and (String,String), i.e., literal column names should denote pairs of entities and column names. Example: multiple id fields. This is hard because it makes type inference much more difficult.
Will require changing attributes and foreign key types from String and String to (String,String) and (String,String), i.e., literal column names should denote pairs of entities and column names. Example: multiple id fields. This is hard because it makes type inference much more difficult.