目录1.检查系统安装包2.卸载这些默认安装包3.获取mysql官方yum源4.MySQL是否能够工作5.安装MySQL服务6.登录MySQL7.配置my.cnf总结注： 安装与卸载中，用户全部切换成为root，一旦安装，普通用户能使用的。初期学习过
I am migrating some C++ code from structures to classes. I was using structures mainly for bit-field optimizations which I do not need any more (I am more worried about speed than saving space now).
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