use hewiki_p;

select page_namespace as "מרחב שם", page_title as "קובץ" from categorylinks as cl1 join page as p1

on (cl_to = "ויקיפדיה_-_תמונות_שימוש_הוגן"

 or exists

 (select * from page as p2

  where p2.page_namespace = 14

  and p2.page_title = cl1.cl_to

  and exists

  (select * from categorylinks as cl2

   where cl2.cl_from = p2.page_id

   and (cl2.cl_to = "ויקיפדיה_-_תמונות_שימוש_הוגן"

        or exists

 (select * from page as p3

  where p3.page_namespace = 14

  and p3.page_title = cl2.cl_to

  and exists

  (select * from categorylinks as cl3

   where cl3.cl_from = p3.page_id

   and (cl3.cl_to = "ויקיפדיה_-_תמונות_שימוש_הוגן")))))))

and cl_from = page_id

and page_namespace = 6

and exists

(select * from imagelinks as il1

 where il_to = page_title

and exists

(select * from imagelinks as il2

 where il2.il_to = page_title

 and il1.il_from != il2.il_from));

​