use hewiki_p;

select count(*) from page

where page_namespace = 0

and exists

(select * from templatelinks

where tl_from = page_id

and exists

(select * from page as p1

where tl_title = page_title

and page_namespace = 10

and exists

(select * from categorylinks

where page_id = cl_from

and cl_to = "תבניות_עם_ניהול_פרמטרים")

and exists

(select * from page

 where page_title = concat('שגיאות_פרמטריות_בתבנית_', p1.page_title))))

#711 templates, 914245 transclusions, 311211 pages, 198796 articles