SQL
AخA
SELECT CONCAT('# [[',frst.page_title,']]',' [[',REPLACE(frst.page_title,'_',''),']]')
FROM page frst
WHERE frst.page_namespace=0
AND frst.page_is_redirect=0
AND frst.page_title LIKE "%\_%"
AND EXISTS (
SELECT null
FROM page scnd
WHERE scnd.page_namespace=0
AND scnd.page_is_redirect=0
AND scnd.page_title = REPLACE(frst.page_title,'_','')
)
ORDER BY frst.page_title;
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