sql语句是:
select departmentNo,departmentname,upperdepartmentNo,level
from department
connect by prior department = upperdepartmentno
start with departmentno = '001'
order by level
select departmentNo,departmentname,upperdepartmentNo,level
from department
connect by prior department = upperdepartmentno
start with departmentno = '001'
order by level
解决方案 »
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