2011年5月23日
Sql 删除重复项
摘要： View Code delete from StationInfo where StationID in (select StationID from StationInfo group by StationID having COUNT(StationID)>1) 阅读全文
posted @ 2011-05-23 13:14 Wythe 阅读(248) 评论(0) 推荐(0)