mysql删除完全重复数据保留一条

CREATE TABLE tmp AS (SELECT DISTINCT * FROM oa_organization);--将不重复的数据存入新建临时表tmp
DELETE FROM oa_organization;--删除对应的表
INSERT INTO oa_organization SELECT * FROM tmp;--把临时表里的数据存入对应的表
DROP TABLE tmp;--删除临时表
原文地址:https://www.cnblogs.com/penghq/p/9921198.html