Untitled query #76382

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

SQL

SELECT cl_to AS category, COUNT(*) AS empty_count
FROM categorylinks
LEFT JOIN page ON cl_from = page_id
WHERE cl_type = 'page' AND page_id IS NULL
  AND cl_to NOT IN (
    SELECT DISTINCT cl_to
    FROM categorylinks
    WHERE cl_type = 'subcat'
  )
GROUP BY cl_to;
limit 19

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