HQT

追求.NET 技术永无止境

导航

oracle 删除重复数据

Posted on 2005-08-24 11:13  HQT  阅读(300)  评论(0)  编辑  收藏  举报

select count(*) from t;

create table temp_t as select distinct * from t;

select count(*) from temp_t;

rename temp_t to t;