Northwind数据存储过程实例 1.SET QUOTED_IDENTIFIER ON GO SET ANSI_NULLS ON GO ALTER PROCEDURE CustOrderHist @CustomerID nchar(5) AS SELECT ProductName, Total=SUM(Quantity) FROM Products P, [Order Details] OD, Orders O, Customers C WHERE C.CustomerID = @CustomerID AND C.CustomerID = O.CustomerID AND O.Or