选择了MySQL的安装版本后，要做的第二项决策是你是使用源码分发版还是二进制分发版。大多数情况，如果你的平台上已经有了一个二进制分发版，你可能使用二进制分发版。大多数平台可以使用原格式二进制分发版，例如Linux使用RPM文件，Mac OS X使用DMG安装软件包。也可以使用Zip文件或压缩tar文件。
选择二进制分发版的理由：
? 二进制分发版比源码分发版更容易安装。
? 为了满足不同用户的需求，我们提供了两种不同的二进制版本：一个是编译过的带非事务储存引擎(小的快速库)，另一个配置了最重要的扩展选项，例如事务安全表。两个版本均从相同的源码分发版编译而来。所有本地MySQL客户端均可以连接任一版本的MySQL服务器。
扩展MySQL库分发版标有-max后缀，配置了与mysqld-max相同的选项。
如果想要使用MySQL-Max RPM，必须首先安装标准MySQL-server RPM。
在某些环境下，最好安装源码分发版MySQL：
? 你想要在某个明显的位置安装MySQL。标准二进制分发版可以安装到任何地方，但你想更加灵活地将MySQL组件放到某个地方。
? 你想要将mysqld配置一些标准二进制分发版中未包括的一些特殊特征。下面是一些你想要使用的最常用的选项：
◆--with-innodb(在所有MySQL 5.1库版本中默认使用)
◆--with-berkeley-db(只适合部分平台)
◆--with-libwrap
◆--with-名d-z-libs(适合部分二进制)
◆--with-debug[=full]
? 你想要将mysqld配置一些标准二进制分发版中已经包括的一些特殊特征。例如，一般编译过的分发版支持所有字符集。如果你想要一个更小的MySQL服务器，可以重新编译只支持你需要的字符集。
? 你有一个专用编译器(例如pgcc)或想要使用更好地优化适用你的处理器的编译器选项。二进制分发版编译的选项适合同一处理器族的各种处理器。
? 你想要使用BitKeeper库中的最新源码，以访问所有最新漏洞修复。例如，如果你发现了漏洞并将它报告给MySQL开发小组，漏洞修复传递给源码库，你便可以访问它。发布实际发行后才会出现漏洞修复。
? 如果你想要阅读(或修改)构成MySQL的C和C++代码，你应该拿到源码分发版。源码总是最终的手册。
? 源码分发版也比二进制的分发版包含更多的测试和实例。
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