MySQL之——查詢重複記錄、刪除重複記錄方法大全

轉載請註明出處：http://blog.csdn.net/l1028386804/article/details/51733585 sql 查找全部重複標題的記錄：ide SELECT * FROM t_info a WHERE ((SELECT COUNT(*) FROM t_info WHERE Title = a.Title) > 1) ORDER BY Title DESC 1、查找重複記

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