SQL
AخA
SELECT page_title, cl_timestamp
FROM page
LEFT JOIN categorylinks ON categorylinks.cl_from = page.page_id
WHERE (page_namespace=1 AND categorylinks.cl_to = 'WikiProject_Andhra_Pradesh_articles' AND cl_type='page')
AND (page_title in (SELECT page_title
FROM page
LEFT JOIN categorylinks ON categorylinks.cl_from = page.page_id
WHERE (page_namespace=1 AND
(categorylinks.cl_to = 'B-Class_Andhra_Pradesh_articles' OR categorylinks.cl_to = 'GA-Class_Andhra_Pradesh_articles') AND cl_type='page' )))
ORDER BY page_title;
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