2015年6月30日
MySQL 删除重复记录
摘要： ==========A really easy way to do this is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like... 阅读全文
posted @ 2015-06-30 22:44 emanlee 阅读(340) 评论(0) 推荐(0)