Untitled query #18370

SQL

use enwiki_p;
SELECT 
  database() AS dbname,
  wp.page_title AS Title,
  pp_value,
  el_to
FROM page AS wp
JOIN externallinks ON el_from = wp.page_id
LEFT JOIN page_props AS pp
	ON pp.pp_page = wp.page_id AND pp.pp_propname = 'wikibase_item'
LEFT JOIN wikidatawiki_p.page AS wdp
	ON wdp.page_title = pp.pp_value AND wdp.page_namespace = 0
LEFT JOIN wikidatawiki_p.pagelinks AS wdpl
  ON wdpl.pl_from = wdp.page_id AND wdpl.pl_namespace = 120 AND wdpl.pl_title = 'P1447'
WHERE wp.page_namespace = 0
AND   el_to    LIKE 'http://www.sports-reference.com/olympics/athletes/%'
AND   wdpl.pl_from IS NULL;
SQL

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