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MySQL 逻辑架构:一条 SELECT 语句的执行过程.md
上图应该是「 执行器 」到「 查询缓存 」吧。 MySQL 可以分为 Server 层和存储引擎层。 - Server 层包括连接器、查询缓存、分析器、优化器、执行器等。涵盖 MySQL 的大多数核心服务功能,以及所有的内置函数(如日期、时间、数学和加密函数等),所有跨存储引擎 ...
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