This query is marked as a draft This query has been published by Edgars2007.

SQL

AخA
 
use nlwiki_p;
SELECT #enp.page_title, enel.el_index
enp.page_title, pp_value, enel.el_index
FROM page enp, externallinks enel, page_props, wikidatawiki_p.page wdp
#where el_to like "http://www.sports-reference.com/olympics/athletes%"
LEFT JOIN wikidatawiki_p.pagelinks wdpl ON wdpl.pl_from = wdp.page_id AND wdpl.pl_title = 'P1447' AND wdpl.pl_namespace = 120
#JOIN wikidatawiki_p.pagelinks wdpl2 ON wdpl2.pl_from = wdp.page_id AND wdpl2.pl_title = 'Q5' AND wdpl2.pl_namespace = 0
WHERE enp.page_namespace = 0 AND enel.el_index LIKE 'http://com.sports-reference.www./olympics/athletes/%'
        AND enel.el_from = enp.page_id
AND pp_page = enp.page_id AND pp_propname = 'wikibase_item'
AND wdp.page_title = pp_value AND wdp.page_namespace = 0
AND wdpl.pl_from IS NULL #and enel.el_index not in (select wd2.el_index
                        #                           from wikidatawiki_p.externallinks wd2
                        #                           where wd2.el_index like "http://com.sports-reference.www./olympics/athletes%")
#and enp.page_id in (select cla.cl_from
#       from categorylinks cla
#       where cla.cl_type="page" and cla.cl_to like "%olimpijczycy")
#group by enp.page_title
#having count(enel.el_index)=1
order by enp.page_title desc
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