2017年12月4日
oracle 查询重复纪录
摘要： DELETE FROM xx where aa in(select aa from xx group by aa having count(aa) >1) and rowid in (select min(rowid) from xx group by user_guid having count( 阅读全文
posted @ 2017-12-04 14:38 kakaisgood 阅读(160) 评论(0) 推荐(0) 编辑