mysql数据库的体系结构
![](http://dl.iteye.com/upload/attachment/0075/1623/047663fc-cf32-3c01-be5d-07f71f6f3c0b.jpg)
连接池组件(Connection Pool)
管理服务和工具组件(Management Services &Utilities)
SQL接口组件(SQL Interface)
查询分析器组件(Parser)
优化器组件(Optimizer)
缓冲组件(Caches &Buffers)
插件式存储引擎(Pluggable Storage Engines)
物理文件(File system)