BLPs w/o references

SQL

SELECT page.page_title title, pagecat.cl_to cat FROM page
  JOIN page AS talk ON page.page_title = talk.page_title AND page.page_namespace = 0 AND talk.page_namespace = 1 
  JOIN categorylinks AS pagecat ON page.page_id = pagecat.cl_from
  JOIN categorylinks AS talkcat ON talk.page_id = talkcat.cl_from
WHERE talkcat.cl_to = 'Élő_személyek_életrajzai'
  AND (pagecat.cl_to = 'Forrással_nem_rendelkező_lapok')
--    OR pagecat.cl_to = 'Kevés_forrással_rendelkező_lapok'
--    OR pagecat.cl_to = 'Részben_rossz_forrással_rendelkező_lapok')
ORDER BY cat, title ASC;
SQL

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