Test 3 - Quarry

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

SQL

SELECT DISTINCT en_cats.cl_to AS category
FROM categorylinks en_cats
LEFT JOIN (
  SELECT page_id
  FROM page
  WHERE page_namespace = 14 -- Namespace for categories
) AS hidden_categories ON en_cats.cl_to = hidden_categories.page_id
LEFT JOIN (
  SELECT ll_from
  FROM langlinks
  WHERE ll_lang = 'ckb'
) AS ckb_categories ON en_cats.cl_from = ckb_categories.ll_from
WHERE
  hidden_categories.page_id IS NULL
  AND ckb_categories.ll_from IS NULL
  AND en_cats.cl_to NOT LIKE 'Hidden_categories'
LIMIT 100;

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