MySQL中刪除重複數據只保留一條

用SQL語句,刪除掉重複項只保留一條web 在幾千條記錄裏,存在着些相同的記錄,如何能用SQL語句,刪除掉重複的呢 一、查找表中多餘的重複記錄，重複記錄是根據單個字段（peopleId）來判斷 sql SELECT * FROM people WHERE peopleId IN ( SELECT peopleId FROM people GROUP BY peopleId HAVING count

>>阅读原文<<