📄 存储过程.txt
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存储过程,查看某天销售了哪些书,各销售了多少本,每种书的销售总价。
CREATE PROC DateSales @date datetime
as
select OrderDate ,OrderDetails.BookID, Books.BookName,Quantity , Books.UnitPrice*Quantity as totalprice
from OrderDetails ,Orders,Books
where OrderDetails.OrderID=Orders.OrderID
and OrderDetails.BookID =Books.BookID
and Orders.OrderDate=@date
GO
输入一本书的书名来查询它的销售信息
Create proc book_sale @book_name varchar(20)
as
select BookID as 书籍编号,BookName as 书籍名称,BookSale as 销售量
from Books
where BookName=@book_name
go
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