Test 3 - Quarry

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

SQL

USE enwiki_p;

SELECT
  cl_to AS category,
  COUNT(*) AS count
FROM
  categorylinks
LEFT JOIN langlinks ON cl_to = ll_title AND ll_lang = 'ckb'
WHERE
  cl_to NOT IN (
    SELECT page_title
    FROM page
    WHERE page_id IN (
      SELECT cl_from
      FROM categorylinks
      WHERE cl_to = 'Hidden_categories'
    )
  )
  AND ll_title IS NULL
GROUP BY
  category
ORDER BY
  count DESC
LIMIT 100;

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