SQL Server 在Microsoft的数据平台上发布，可以组织管理任何数据。可以将结构化、半结构化和非结构化文档的数据直接存储到数据库中。可以对数据进行查询、搜索、同步、报告和分析之类的操作。

第一种方法：

演示代码如下:

Minimsdn.com为您提供的代码:
-- Turn ON [Display IO Info when execute SQL]
SET STATISTICS IO ON
-- Turn OFF [Display IO Info when execute SQL]
SET STATISTICS IO OFF


Link: http://msdn.microsoft.com/zh-cn/library/ms184361.aspx
第二种方法:

演示代码如下:

MINIMSDN.com为您提供的代码:
--Turn ON [Display detail info and the request for resources]
SET SHOWPLAN_ALL ON
-- Turn OFF [Display detail info and the request for resources]
SET SHOWPLAN_ALL OFF


Link: http://msdn.microsoft.com/zh-cn/library/ms187735
第三种方法:

Links: http://msdn.microsoft.com/zh-cn/library/ff650689.aspx ; http://msdn.microsoft.com/zh-cn/library/aa175244(v=SQL.80).aspx
Demo For three kinds of Method:
For SQL Script:

演示代码如下:

select * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC

v  Its Execution plan: ()


 



v  Its IO info: ()


 



-  -  You can try one table with 100/10000/1000000 rows but create/don't create Clustered/NONCLUSTERED Index.


v  Its Detail info Etc.: ()



For SQL Script:

演示代码如下:

select top 100 * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC



v  Its Execution plan: ()



v  Its IO info: ()


 



v  Its Detail info Etc.: ()



For SQL Script:

演示代码如下:

select top 100 * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC
order by StagingOMC.COrgTPName



v  Its Execution plan: (   )


 



v  Its IO info: ()



v  Its Detail info Etc.: ()



For SQL Script:

演示代码如下:

select top 100 StagingOMC.COrgTPName,COUNT(CorgID) from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC
group by StagingOMC.COrgTPName
order by StagingOMC.COrgTPName



v  Its Execution plan: ()


 


 


v  Its IO info: ()


 


v  Its Detail info Etc.: ()


 


 


-  -  By these three kinds of methods, you can try to check those words in the internet web are right or wrong about how to improve SQL Script performance.

后续会有更多的精彩的内容分享给大家。