摘要: select * fromtable1 where rowid=any(select max(rowid) fromtable1 group by field1)或者select * fromtable1 where rowid in (select max(rowid) fromtable1 group by field1) 阅读全文
posted @ 2009-06-11 12:25 魔豆 阅读(1983) 评论(0) 推荐(0)
摘要: 方法一:[代码]方法二:[代码] 阅读全文
posted @ 2009-06-11 01:05 魔豆 阅读(2303) 评论(1) 推荐(1)