SQL
AخA
USE enwiki_p;
SELECT COUNT(page_id)
FROM pagelinks
LEFT JOIN page ON pl_namespace = page_namespace AND pl_title = page_title
LEFT JOIN redirect ON page_id = rd_from
WHERE page_is_redirect = 1
AND page_namespace = 0
AND rd_namespace = 0
AND pl_from_namespace = 0
AND EXISTS (
SELECT null
FROM page
WHERE pl_from = page_id
AND page_is_redirect=0
)
AND EXISTS (
SELECT null
FROM page
WHERE page_title = rd_title
AND EXISTS (
SELECT null
FROM page_props
WHERE page_id = pp_page AND pp_propname = 'disambiguation'
)
);
By running queries you agree to the Cloud Services Terms of Use and you irrevocably agree to release your SQL under CC0 License.
All SQL code is licensed under CC0 License.