新闻联播20170628:ORACLE里如何获取前n行的值啊!
来源:百度文库 编辑:高考问答 时间:2024/05/11 03:53:39
select * from table where rownum<n;
如果排序
select * from (select * from table order by column)
where rownum < n;
select * from table where rownum<n;
如果排序
select * from (select * from table order by column)
where rownum < n;