SELECT tblOrder.OrderID, tblOrder.OrderDate, tblOrder.ProductID, tblOrder.OrderQty, tblProduction.ProductionDate, tblProduction.ProductionCode, tblProduction.ProductionQty
FROM tblOrder LEFT JOIN tblProduction ON (tblOrder.OrderDate<=tblProduction.ProductionDate) AND (tblOrder.ProductID = tblProduction.ProductionCode);