单行子查询返回多个行
查询部门人数在4人以上的部门的部门名称及最低工资和最高工资。selectjob,Min(sal),Max(sal)fromempWherejob=(SelectjobFr...
查询部门人数在4人以上的部门的部门名称及最低工资和最高工资。
select job,Min(sal),Max(sal)
from emp
Where job=(
Select job
From emp
Group By job
Having Count(*)>=4)
Group By job
单行子查询返回多个行 展开
select job,Min(sal),Max(sal)
from emp
Where job=(
Select job
From emp
Group By job
Having Count(*)>=4)
Group By job
单行子查询返回多个行 展开
1个回答
展开全部
select job,Min(sal),Max(sal)
from emp
Where job in (
Select job
From emp
Group By job
Having Count(*)>=4)
Group By job
from emp
Where job in (
Select job
From emp
Group By job
Having Count(*)>=4)
Group By job
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