Test 3 - Quarry

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

SQL

USE enwiki_p;

SELECT en_cl.cl_to AS category, COUNT(ll.ll_lang) AS language_links_count
FROM categorylinks en_cl
JOIN page en_p ON en_cl.cl_from = en_p.page_id
LEFT JOIN langlinks ll ON en_p.page_id = ll.ll_from AND ll.ll_lang = 'ckbwiki'
WHERE
  en_p.page_namespace = 14 -- Ensure it's a category
  AND en_cl.cl_to NOT LIKE 'Hidden_categories' -- Exclude 'Hidden_categories' on enwiki
GROUP BY category
HAVING COUNT(ll.ll_lang) = 0 -- Exclude ckbwiki
ORDER BY language_links_count DESC
LIMIT 100;

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