工作中遇到简单sql函数问题
select trunc(5/10,2)*100||'%' from dual
2:select e.manager_id,
row_number() over(partition by e.manager_id order by e.manager_id) RR
from employees e
3:
select trunc(5/10,2)*100||'%' from dual
2:select e.manager_id,
row_number() over(partition by e.manager_id order by e.manager_id) RR
from employees e
3: