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:
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/ebb5990f.png">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: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/abb35fa5.png">
v Its IO info: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/d482c3da.png">
- - You can try one table with 100/10000/1000000 rows but create/don't create Clustered/NONCLUSTERED Index.
v Its Detail info Etc.: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/9660f2e0.png">
For SQL Script: 复制代码 代码如下:
select top 100 * from dbEBMSStaging.dbo.MSSalesTxlatOrganizationMaster_Corg StagingOMC
v Its Execution plan: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/4e091e92.png">
v Its IO info: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/a3a7637d.png">
v Its Detail info Etc.: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/12766427.png">
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: ( )
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/c2c6afdf.png">
v Its IO info: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/c03549c4.png">
v Its Detail info Etc.: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/47ffd254.png">
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: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/2f10d7c9.jpg">
v Its IO info: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/834c5e3d.jpg">
v Its Detail info Etc.: ()
title="分析SQL语句性能3种方法分享" alt="分析SQL语句性能3种方法分享" /2019/12/5c5c4c6d.png">
- - 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.
