This data as json, CSV (advanced)
| Link | list | user | 
|---|---|---|
| 203023485,2199658388 | JSK-Fellows2016 203023485 | Oleksandr Akymenko 2199658388 | 
| 219853736,2199658388 | JSKONA15 219853736 | Oleksandr Akymenko 2199658388 | 
JSON shape: default, array, newline-delimited, object
CREATE TABLE [list_members] ( [list] INTEGER REFERENCES [lists]([id]), [user] INTEGER REFERENCES [users]([id]), PRIMARY KEY ([list], [user]) );