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

SQL

AخA
 
use ruwikisource_p;
SELECT page_title FROM page AS A WHERE
A.page_title REGEXP '[//]' AND
A.page_namespace = 0 AND
(SELECT page_len as pl FROM page WHERE (LEFT(A.page_title, LOCATE('/', A.page_title)-1) = page_title) AND page_namespace = 0) is null 
LIMIT 1000;
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