v_proinstore.sql

来自「这是一个库存管理系统」· SQL 代码 · 共 9 行

USE Stock
GO
CREATE VIEW dbo.v_ProInStore
AS
SELECT p.Pid, SUM(s.Pnum) AS SumNum
FROM dbo.Product p INNER JOIN
      dbo.ProInStore s ON p.Pid = s.Pid
GROUP BY p.Pid
GO