本文介绍了改善群集索引GUID主键的性能的处理方法,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

我有一个具有大量行(10K +)的表,它的主键是GUID.主键是集群的.该表的查询性能非常低.请提供建议以提高效率.

I've a table with large number of rows (10K+) and it primary key is GUID. The primary key is clustered. The query performance is quite low on this table. Please provide suggestions to make it efficient.

推荐答案

您需要使用newsequentialid()代替,请参见此处一些简单的代码来显示Newid和Newsequentialid之间的区别

You need to use newsequentialid() instead see here Some Simple Code To Show The Difference Between Newid And Newsequentialid

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08-07 08:51