SELECT 
     haotl.NAME, 
     iop.*, 
     MC.calendar_Code, 
     mc.description 
 FROM Inv_Org_Parameters iop, 
      HR_ORGANIZATION_UNITS_F_TL haotl, 
      MSC_CALENDARS mc 
 WHERE haotl.organization_id = iop.business_unit_id 
   AND TO_CHAR(iop.Schedule_id) = mc.SR_CALENDAR_CODE(+) 
 ORDER BY haotl.NAME, ORGANIZATION_CODE;