WordPress 資料庫錯誤: [Error writing file '/tmp/MYfd=1018' (OS errno 28 - No space left on device)]
SELECT t.term_id
FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON t.term_id = tt.term_id
WHERE tt.taxonomy IN ('category') AND tt.count > 0
ORDER BY t.name ASC
