use enwikisource_p;

use enwiki_p;

select * from enwiki_p.iwlinks join enwiki_p.page

on enwiki_p.iwlinks.iwl_from = enwiki_p.page.page_id

WHERE enwiki_p.iwlinks.iwl_prefix = 's'

and enwiki_p.page.page_namespace=0

and enwiki_p.iwlinks.iwl_title not like '%:%'

and NOT EXISTS

(select enwikisource_p.page.page_title FROM enwikisource_p.page 

 WHERE enwikisource_p.page.page_title = enwiki_p.iwlinks.iwl_title

 )

limit 10