【自主研发-贡献给SQL Server人员】索引诊断与优化软件使用说明(1)-总体预览
索引设计是数据库设计中比较重要的一个环节,对数据库的性能其中至关重要的作用,但是索引的设计却又不是那么容易的事情,性能也不是那么轻易就获取到的,很多的
索引设计是数据库设计中比较重要的一个环节,对数据库的性能其中至关重要的作用,但是索引的设计却又不是那么容易的事情,性能也不是那么轻易就获取到的,很多的技术人员因为不恰当的创建索引,最后使得其效果适得其反,可以说“成也索引,败也索引”。
一直以来,我们总是在寻求好的性能优化软件,我们一直以来也是在用脚本加上复杂的操作来分析问题。和大家一样,我们也经过很多的类似的困境,后来我们就开发了索引诊断与优化软件。
完全的自主研发,已经在企业中使用。
先上图,给大家看看,我之后整理说明文档,然后发布软件的免费版本给大家!
软件启动,登陆数据库如图:
2012-11-28 13:00 上传
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登陆之后,主界面如下:
2012-11-28 13:02 上传
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在这里可以看到,软件包含了三个部分功能:
对于常见的索引问题的快速诊断:Common Issue
基于基准线分析的高级诊断:Advance.
辅助的分析:Assistant
例如,我们要分析某个数据库上面是否存在缺失索引的问题,虚拟主机,我们只要选中数据库,然后点击上面的“Missing Index”按钮就行了,如下,结果:
2012-11-28 13:05 上传
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软件会分析每个缺失索引带来的成本,或者说,给出:如果建立了索引,带来的性能的提升指数。
不仅如此,还可以选中分析中的一行,然后点击上面的索引操作,如创建索引,软件会默认的分析索引,并且会自动生成脚本,而且索引中的列也是根据数据的选择率进行了排序的,更为强大的是,我们还可以自己在软件建议的语句上面,修改,使得创建索引更为合理:
2012-11-28 13:09 上传
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自定义写语句也是相当的省心,因为软件给出了写TSQL语句必要的参考文档,香港服务器租用,代码结构,自动的代码高亮显示,而且还可验证脚本的正确性:如图:
我们可以自己决定是否需要自定义脚本,还是采用软件自动生成的,然后添加自己的索引,我们可以选择很多个一起执行,如图:
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执行之后,如图:
当然,上面只是简单的演示了一下软件的功能而已,之后,大家可以下载下来把玩一下!
我们下面就说说高级功能
高级功能就需要建立基准线,然后利用软件进行分析,过程也不复杂,软件已经内置了很多的分析算法,大家只要掌握索引的必须的知识,然后学会如何看软件里面的图示和数据就行了
2012-11-28 13:21 上传
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如图,如果我们没有建立基准线数据库,那么高级功能都是无法使用的。
我们可以运行向导,一步步的建立基准数据库以及相关的其他对象,如图:
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第一步,建立数据库,如图:
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第二步,建立相关的数据表,如图:
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第三步,网站空间,建立相关的Job去收集数据,如图:
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之后,高级功能就可以使用了,但是此时,基准数据库中可能的数据还不够多,分析的准确度不太高,随着收集到的数据的变多,准确度会提高!

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