https://blog.youkuaiyun.com/wangpancomzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/wangpancom/article/details/2569373https://blog.youkuaiyun.com/wangpancom/article/details/2569373wangpancomFri, 20 Jun 2008 14:39:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/2553969https://blog.youkuaiyun.com/wangpancom/article/details/2553969wangpancomMon, 16 Jun 2008 17:49:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/2553951https://blog.youkuaiyun.com/wangpancom/article/details/2553951wangpancomMon, 16 Jun 2008 17:42:00 +08001 //查找两列重复记录 SELECT COLUMN_1,COLUMN_2,COUNT(*) FROM TABLE_NAME GROUP BY COLUMN_1,COLUMN_2 HAVING COU]]>https://blog.youkuaiyun.com/wangpancom/article/details/1605042https://blog.youkuaiyun.com/wangpancom/article/details/1605042wangpancomFri, 11 May 2007 18:57:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1534794https://blog.youkuaiyun.com/wangpancom/article/details/1534794wangpancomTue, 20 Mar 2007 12:46:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1534791https://blog.youkuaiyun.com/wangpancom/article/details/1534791wangpancomTue, 20 Mar 2007 12:44:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1534790https://blog.youkuaiyun.com/wangpancom/article/details/1534790wangpancomTue, 20 Mar 2007 12:43:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1534788https://blog.youkuaiyun.com/wangpancom/article/details/1534788wangpancomTue, 20 Mar 2007 12:42:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1534787https://blog.youkuaiyun.com/wangpancom/article/details/1534787wangpancomTue, 20 Mar 2007 12:41:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1532331https://blog.youkuaiyun.com/wangpancom/article/details/1532331wangpancomSat, 17 Mar 2007 20:36:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1532235https://blog.youkuaiyun.com/wangpancom/article/details/1532235wangpancomSat, 17 Mar 2007 17:58:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1532227https://blog.youkuaiyun.com/wangpancom/article/details/1532227wangpancomSat, 17 Mar 2007 17:45:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1532224https://blog.youkuaiyun.com/wangpancom/article/details/1532224wangpancomSat, 17 Mar 2007 17:44:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1508432https://blog.youkuaiyun.com/wangpancom/article/details/1508432wangpancomMon, 12 Feb 2007 14:23:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1505799https://blog.youkuaiyun.com/wangpancom/article/details/1505799wangpancomThu, 08 Feb 2007 22:39:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1505796https://blog.youkuaiyun.com/wangpancom/article/details/1505796wangpancomThu, 08 Feb 2007 22:36:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1503681https://blog.youkuaiyun.com/wangpancom/article/details/1503681wangpancomTue, 06 Feb 2007 19:46:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1503680https://blog.youkuaiyun.com/wangpancom/article/details/1503680wangpancomTue, 06 Feb 2007 19:45:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1503678https://blog.youkuaiyun.com/wangpancom/article/details/1503678wangpancomTue, 06 Feb 2007 19:44:00 +0800https://blog.youkuaiyun.com/wangpancom/article/details/1503677https://blog.youkuaiyun.com/wangpancom/article/details/1503677wangpancomTue, 06 Feb 2007 19:43:00 +0800