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select org.flowid,ot.*
from ot,emp,org
where org.lineId=emp.lineId
and emp.empId=ot.empId
order by org.flowidselect org.flowid,sum(ot.hours)
from ot,emp,org
where org.lineId=emp.lineId
and emp.empId=ot.empId
group by org.flowid
order by org.flowid