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

SQL

x
 
USE arwiki_p;
SELECT site, COUNT(*)
FROM (SELECT REGEXP_REPLACE(el_to, '^(?:[a-z]*:)?//([^/]*)(?:.*)', '\\1') AS site
      FROM externallinks
      JOIN page ON page_id = el_from
      JOIN categorylinks ON cl_from = page_id
      WHERE cl_to IN ('جائحة_فيروس_كورونا_في_السعودية')) sq
GROUP BY site;
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