導讀:1建站知識分析SQL語句性能3種方法分享，需要的朋友可以參考下seo網站優化培訓如何seo優化推廣網站。

第一種方法：

復制代碼 代碼如下:

Minimsdn.com為您提供的代碼: -- 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: 第二種方法:

復制代碼 代碼如下:

MINIMSDN.com為您提供的代碼: --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: 第三種方法:

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

復制代碼 代碼如下:

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:

復制代碼 代碼如下:

網站建設制作 select top 100 * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC

v Its Execution plan: ()

v Itsseo網站優化培訓 IO info: ()

v Its Detail info Etc.: ()

For SQL Script:

復制代碼 代碼如下:

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:

復制代碼 代碼如下:

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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關鍵詞標簽: 種方法 SQL 語句