Test 3 - Quarry

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

SQL

USE enwiki_p;

SELECT DISTINCT
  page_title AS category_title
FROM page
JOIN categorylinks ON page_id = cl_from
LEFT JOIN langlinks ON page_title = ll_title AND ll_lang = 'en'
WHERE cl_to = 'Hidden_categories'
  AND ll_from IS NULL
  AND page_namespace = 14  -- This filters for category pages
LIMIT 100;

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