SELECT os.Status
     , rel.Record_Date AS Date_Status_Assigned
     , o.record_number
     , o.Order_Number
     , o.Grand_Total
     , o.Order_Date
     , o.Bill_First_Name
     , o.Bill_Last_Name
     , o.Bill_Street
     , o.Bill_Postal_Code
     , s.Name AS Bill_State_or_Province
     , c.Name AS Bill_Country
     , o.Bill_Email_Address
     , pmt.Name AS Payment_Method
     , IF(os.Status != '', 'y','n') AS Status_Assigned
FROM Orders o
LEFT OUTER
JOIN Payment_Methods pmt
  ON o.Payment_Method = pmt.record_number
LEFT OUTER
JOIN States s 
  ON o.Bill_State_or_Province = s.record_number
LEFT OUTER
JOIN Countries c 
  ON o.Bill_Country = c.record_number
LEFT OUTER
JOIN REL_Orders__Order_Status rel
  ON o.record_number = rel.Orders_rn
LEFT OUTER
JOIN Order_Status os
  ON rel.Order_Status_rn = os.record_number