导读:1建站知识分析SQL语句性能3种方法分享，需要的朋友可以参考下seo网站优化培训如何seo优化推广网站。

第一种方法：

复制代码 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: 第二种方法:

复制代码 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: 第三种方法:

Links: ; (v=SQL.80).aspx Demo For three kinds of Method: For SQL Script:

复制代码 代码如下:

select * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC

v Its Execution plan: ()

v Its IO info: ()

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- - 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:

复制代码 代码如下:

网站建设制作 select top 100 * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC

v Its Execution plan: ()

v Itsseo网站优化培训 IO info: ()

v Its Detail info Etc.: ()

For SQL Script:

复制代码 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:

复制代码 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.

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关键词标签: 种方法 SQL 语句