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结合最近所做的模拟题，把一些容易考的知识和概念重新回顾记录一下。标红的字要注意一下，有可能这几个简单的字，就是最能概括这个概念的关键点，个人在回顾的时候把这些点红色标出来了，会在题干中以不同的案例形式来考察，但是这些考察的关键字还是能找到的！有条件的建议打印下来学习，我是官方文档一点一点总结的，考点非常全面，目前为止AZ900的路程就走完了，文章结尾附上证

网络上大部分的文章都是这么说的：RR下面是不会发生的。经过一番查证，我想说这个结果是错误的。下面我来举证说明：autogenerateddefinitioncreatetabletest(c1intauto_incrementprimarykey,c2

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!(https://oscimg.oschina.net/oscnet/594c4473f1ac3c736d43ffeaf778a1ee189.gif)作者|JiekeXu来源| JiekeXu之路（ID:JiekeXu\_IT）转载请联系授权| (微信ID：xxq1426321293)大家好，我是JiekeXu,

网络拓扑图!(https://oscimg.oschina.net/oscnet/e5856a3a1a200a7b99262a80826c9ed53c3.jpg)PCA  配置IP地址!(https://oscimg.oschina.net/oscnet/79d0e488332593fe09aa30

一、点击EditConfiguration。如下图：!(https://oscimg.oschina.net/oscnet/upaf6429dfc078c3c060e8106edf5dd2229d4.png)二、将默认的Singleinstanceonly的钩去掉。也就是把单实例勾去。!(https://oscimg.oschin

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点击上方蓝色字体，选择“设为星标”回复”资源“获取更多资源!(https://oscimg.oschina.net/oscnet/ab370bf9fdae437196c7572c2a94f50a.jpg)!(https://oscimg.oschina.net/oscnet/a3dd269929fa4805