經典SQL語句彙總
阿新 • • 發佈：2019-01-29
DROP TABLE #table
3、企業部門員工人數逐級彙總
select deptName,deptcode,
(select sum(PeopleSum) as PeopleSum from
(select b.dept_id,b.deptcode,a.PeopleSum
from
(select dept_id,count(*) as PeopleSum
from hr_empl
group by dept_id)a
right join dept b on a.dept_id = b.dept_id
order by b.deptcode) c where c.deptcode like a.deptcode||'%' ) as PeopleSum
from dept a
order by a.deptcode
4、用取模的方式巧妙分組統計
select YMDHM,SUM(L0) as SumL0 from Tb_Qry_Sal_FactPower where ymdhm='2008-01-01' group by YMDHM,mm/15
3、企業部門員工人數逐級彙總
select deptName,deptcode,
(select sum(PeopleSum) as PeopleSum from
(select b.dept_id,b.deptcode,a.PeopleSum
from
(select dept_id,count(*) as PeopleSum
from hr_empl
group by dept_id)a
right join dept b on a.dept_id = b.dept_id
order by b.deptcode) c where c.deptcode like a.deptcode||'%' ) as PeopleSum
from dept a
order by a.deptcode
4、用取模的方式巧妙分組統計
select YMDHM,SUM(L0) as SumL0 from Tb_Qry_Sal_FactPower where ymdhm='2008-01-01' group by YMDHM,mm/15