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This query is marked as a draft
This query has been published
by
Matěj Suchánek
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SQL
USE wikidatawiki_p; SELECT * FROM cebwiki_p.page AS categories JOIN (SELECT * FROM cebwiki_p.page_props WHERE pp_propname = "wikibase-item") AS props ON pp_page = page_id JOIN (SELECT * FROM page WHERE page_namespace = 0) AS items ON items.page_title = pp_value JOIN (SELECT * FROM wb_items_per_site GROUP BY ips_item_id HAVING COUNT(*) = 1) AS links ON CONCAT("Q", ips_item_id) = items.page_title WHERE categories.page_namespace = 14;
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