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

SQL

​x
 
SELECT DISTINCT
    CONCAT('[[Portal:', p.page_title, ']]') AS 'Existing base page',
    p.page_is_redirect,
    CONCAT('[[Portal:', ar_title, ']]') AS 'Deleted subpage',
    CASE WHEN EXISTS (SELECT 1 FROM page p2
                      WHERE p2.page_namespace = 100
                          AND p2.page_title = ar_title)
         THEN 'Y'
         ELSE 'N'
    END AS 'Deleted subpage exists'
FROM archive
JOIN page p
    ON p.page_namespace = 100 -- Portal:
    AND p.page_title = REGEXP_REPLACE(ar_title, '/.*', '')
WHERE ar_namespace = 100
    AND ar_title LIKE '%/%';
​
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