oracle, 查询语句 没有id, 去除笛卡尔积也会出现重复的现象, 如果图上周杰伦出现一科80分一下, 也会查出来 , sql语句该怎么写 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 namefrom studentwhere fenshu>'80'group by namehaving count(1)=2 select distinct s1.name from student s1 where s1.name not in (select s2.name from student s2 where s2.fenshu<80) select distinct s1.name from student s1 where s1.name not in (s2.name from student s2 where s2.分数<=80); select b.name from ( select s.name name,min(fenshu) fenshu from studetn sgroup by s.name) b where b.fenshu>80 -- 试试这个select name from t group by namehaving count(*) = sum(case when fenshu > 80 then 1 else 0 end) select name, min(fenshu) from table group by name having min(fenshu)>80 oracle sql developer如何打开多个tab 最多能有几张表? 求一sql语句 一个多层循环的问题 这个操作的命令怎么写? 网络状况正常,服务已经正常启动,从外网访问数据库服务,SQLPlus总是超时,原因何在?急! 奇怪的问题 oracle中操作blob字段的问题,急急急急!! 询问一下Oracle安装的问题 oracle有没有自带函数记录 (记录条数)? 自学Java,学习到数据库,发现oracle sql delover连接不上服务器 如何将多个SQL查询统计结果一次显示出来
from student
where fenshu>'80'
group by name
having count(1)=2
select distinct s1.name from student s1 where s1.name not in (s2.name from student s2 where s2.分数<=80);
group by s.name) b where b.fenshu>80
-- 试试这个select name
from t
group by name
having count(*) = sum(case when fenshu > 80 then 1 else 0 end)
min(fenshu)
from table
group by name having min(fenshu)>80