创建索引 [英] Create index

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本文介绍了创建索引的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述


我有一个Mysql查询我想创建一个索引 在下面写入查询 -


* /


  $ sql =" select count(opportunity_code)as opc,month(created)as as mon来自tbl_oppourtunities,其中abs(DATEDIFF(date(now()),创建))< = 730和year(created)= year(now()) - 1" ;;


/ *


所以请尽快回复我。


谢谢


Jatashankar patel


 

解决方案




< span style ="color:#333333">感谢您的发布。



我建议您在其中一个MSDN论坛中发布您的问题:



SQL服务器开发人员中心
>
SQL Server论坛
> Transact-SQL



位于:



http://social.msdn.microsoft.com/Forums/en-US/transactsql/threads



您可以在此论坛中找到有用的主题。



希望这会有所帮助。



祝你有愉快的一天。



Pan Zhang



客户支持



EPX服务工程支持团队



Hi,

i have one Mysql query i want to create an index  on below write query--

*/

 $sql="select count(opportunity_code) as opc, month(created) as mon from tbl_oppourtunities where abs(DATEDIFF(date(now()),created)) <= 730 and year(created)=year(now())-1";

/*

So please reply me asap.

Thanks

Jatashankar patel

 

解决方案

Hi,

Thank you for your post.

I'd like to suggest posting your question in one of the MSDN Forums:

SQL Server Developer Center > SQL Server Forums > Transact-SQL

Located at:

http://social.msdn.microsoft.com/Forums/en-US/transactsql/threads

You can find useful topics within this forum.

Hope this would be helpful.

Have a nice day.

Pan Zhang

Customer Support

EPX Service Engineering Support Team


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