有一个在上的数据是如何提供的参数或查询所以这里有一些选择上下文中的问题的资料很少。
创建存储过程,并调用它多次:
-- Stored procedure
create procedure dbo.GetSalesByCompany
@companyName varchar(25)
AS
SET NOCOUNT ON;
Select * from sales where Company_Name = @company1;
--Usage
exec dbo.GetSalesByCompany 'AA';
exec dbo.GetSalesByCompany 'BB';
-- Usage with params
DECLARE @company1 varchar(25)
set @company1 = 'AA';
exec dbo.GetSalesByCompany @company1;
set @company1 = 'BB';
exec dbo.GetSalesByCompany @company1;
创建用户定义的表值函数。这可以从存储过程中如果需要的话可以称为:
-- User defined table-valued function
Create Function dbo.udf_GetSalesByCompany
(@companyName varchar(25))
RETURNS TABLE AS
RETURN Select * from sales where Company_Name = @company1;
--Usage
SELECT * FROM dbo.udf_GetSalesByCompany('AA');
SELECT * FROM dbo.udf_GetSalesByCompany('BB');
-- Usage with params
DECLARE @company1 varchar(25)
set @company1 = 'AA';
SELECT * FROM dbo.udf_GetSalesByCompany(@company1);
set @company1 = 'BB';
SELECT * FROM dbo.udf_GetSalesByCompany(@company1);
或者你的“IN”的语句去调用一次查询,多个过滤器值,在这种情况下,公司名称。
--Use and "IN" statement
Select * from sales where Company_Name IN('AA', 'BB')
参数如何填充不同的值?你能展示你的整个过程吗? –