SQL Server 2008中新增功能

SQL Server 2008中新增功能：可以使用单个Insert命令插入多行。

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Create table Demo_Values
(PKID int not null identity(1,1) primary key
,DName Nvarchar(20) null
,DCode NVarchar(30) null
,DDate datetime null
)
go
--this SQL is only for SQL Server 2008
Insert into Demo_Values
(DName,DCode,DDate)
values
('DemoA','AAA',GETDATE()),
('DemoB','BBB',GETDATE()),
('DemoC','CCC',GETDATE()),
('DemoD','DDD',GETDATE()),
('DemoE','EEE',GETDATE())
--(5 row(s) affected)

Create table Demo_Values (PKID int not null identity(1,1) primary key ,DName Nvarchar(20) null ,DCode NVarchar(30) null ,DDate datetime null ) go --this SQL is only for SQL Server 2008 Insert into Demo_Values (DName,DCode,DDate) values ('DemoA','AAA',GETDATE()), ('DemoB','BBB',GETDATE()), ('DemoC','CCC',GETDATE()), ('DemoD','DDD',GETDATE()), ('DemoE','EEE',GETDATE()) --(5 row(s) affected)

除了可以一次性插入多行，values还有更巧妙的用法，不使用永久表或临时表而表示一个结果集，而且不需要函数或表变量。看下面的例子：

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--this SQL is only for SQL Server 2008
select DName,DCode,DDate
from
(values
('DemoA','AAA',GETDATE()),
('DemoB','BBB',GETDATE()),
('DemoC','CCC',GETDATE()),
('DemoD','DDD',GETDATE()),
('DemoE','EEE',GETDATE())
)
Demo_Values (DName,DCode,DDate)
--(5 row(s) affected)
/*
DName DCode DDate
DemoA AAA 2010-10-12 20:37:45.500
DemoB BBB 2010-10-12 20:37:45.500
DemoC CCC 2010-10-12 20:37:45.500
DemoD DDD 2010-10-12 20:37:45.500
DemoE EEE 2010-10-12 20:37:45.500
*/

--this SQL is only for SQL Server 2008 select DName,DCode,DDate from (values ('DemoA','AAA',GETDATE()), ('DemoB','BBB',GETDATE()), ('DemoC','CCC',GETDATE()), ('DemoD','DDD',GETDATE()), ('DemoE','EEE',GETDATE()) ) Demo_Values (DName,DCode,DDate) --(5 row(s) affected) /* DName DCode DDate DemoA AAA 2010-10-12 20:37:45.500 DemoB BBB 2010-10-12 20:37:45.500 DemoC CCC 2010-10-12 20:37:45.500 DemoD DDD 2010-10-12 20:37:45.500 DemoE EEE 2010-10-12 20:37:45.500 */

注意该语句的最后一行定义了“源”名称和列名,其中列名用于select语句。