面试题!求解 表名为tab_1,其中有一个字段为code,写一条select按code从小到大排序的前10条记录并按code 从大到小排序。(查出表的所有字断) 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 select * from (select t.*,row_number() over(order by code) rn from tab_1)where rn <= 10order by code desc; select * from (select * from A order by code) where rownum < 11 order by code desc select * from(select * from tab_1 where rownum<11 order by code asc) t order by code desc select * from tab_1 where rownum <11 order by code asc执行顺序是 select * from tab_1 where rownum <11再order by 你能查出正确结果才怪!select * from (select * from tab_1 order by coude) where rownum<11 order by code DESC; pl/sql developer自定义问题 如果实现定时对数据库进行操作 分区时LESS是小于,等于怎么表示 刚看ORACLE,菜鸟问问. 请问oracle的行安全能介绍一下嘛? 在SQL Server中,如果排序用倒序时,用desc表示,如order by desc id,在orcale中怎么表示呀? oracle net8 关于分组求和的问题? 字符集问题 oracle 里实现控制 where 后的条件只能是一种条件 oracle10gTNS-12545:因目标主机或对象不存在,连接失败 已经有数据的表这么加如一列(自动增加的ID号)
(select t.*,row_number() over(order by code) rn from tab_1)
where rn <= 10
order by code desc;
执行顺序是 select * from tab_1 where rownum <11再order by
select * from (select * from tab_1 order by coude) where rownum<11 order by code DESC;