日期:2014-05-18 浏览次数:20572 次
create function getStock2(@customerName char(30),@time datetime,@productName char(30)) returns int as begin declare @Stock int; select @Stock=cpxsb.数量 from cp,cpxsb,xss where cp.产品编号=cpxsb.产品编号 and cpxsb.客户编号=xss.客户编号 and 客户名称=@customerName and 产品名称=@productName and 销售日期=@time return @Stock end
create function getStock2(@customerName char(30),@time datetime,@productName char(30)) returns int as begin declare @Stock int; select @Stock=cpxsb.数量 from cp,cpxsb,xss where cp.产品编号=cpxsb.产品编号 and cpxsb.客户编号=xss.客户编号 and 客户名称=@customerName and 产品名称=@productName and 销售日期=year(@time) return @Stock end
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