v_storein.sql

这是一个库存管理系统

USE Stock
GO
CREATE VIEW dbo.v_storein
AS
SELECT p.Pid, SUM(i.Pnum) AS SumNum, SUM(i.Pnum * i.Pprice) 
      AS SumPrice
FROM dbo.Product p INNER JOIN
      dbo.StoreIn i ON p.Pid = i.Pid
GROUP BY p.Pid
GO