--查询各部门中工资最低的员工信息
--方法一
select *
from emp
where (empdept, empsaler) in
(select empdept, min(empsaler)
from emp
group by empdept);
--方法二
select emp.*
from emp
inner join (select empdept, min(empsaler) minsaler
from emp
group by empdept) temp
on emp.empdept = temp.empdept
and emp.empsaler = temp.minsaler
Oracle SQL脚本记录
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转载自blog.csdn.net/qiuzhi__ke/article/details/104716661
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