Empty categories in enwiki

Query from https://wikitech.wikimedia.org/wiki/Nova_Resource:Tools/Shared_Resources/MySQL_queries#Empty_categories

SQL

SELECT
  page_title,
  page_len
FROM categorylinks
RIGHT JOIN page ON cl_to = page_title
WHERE page_namespace = 14
AND page_is_redirect = 0
AND cl_to IS NULL
AND NOT EXISTS (SELECT
                  1
                FROM categorylinks
                WHERE cl_from = page_id
                AND cl_to = 'Wikipedia_category_redirects')
AND NOT EXISTS (SELECT
                  1
                FROM categorylinks
                WHERE cl_from = page_id
                AND cl_to = 'Disambiguation_categories')
AND NOT EXISTS (SELECT
                  1
                FROM templatelinks
                WHERE tl_from = page_id
                AND tl_namespace = 10
                AND tl_title = 'Empty_category');

SQL

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