indice de Schober

SELECT categories.* FROM (SELECT DISTINCT CAST(SUBSTRING(members.anchor, 10) AS UNSIGNED) AS target FROM yacs_members AS members WHERE (members.member LIKE 'article:2145') AND (members.anchor LIKE 'category:%')) AS ids, yacs_categories AS categories WHERE (categories.id = ids.target) AND (categories.active='Y') AND ((categories.expiry_date is NULL) OR (categories.expiry_date <= '0000-00-00 00:00:00') OR (categories.expiry_date > '2025-12-08 16:44:36')) ORDER BY rank, title, edit_date DESC LIMIT 0,40
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