# 16.11 MySQL逻辑架构

## mysql架构

mysql架构分为三层：

1. 服务层：为客户请求做连接处理、授权认证、安全等
2. 核心层：查询解析，分析，优化，缓存，所有内建函数；存储过程，触发器，视图等
3. 存储引擎层：存储和提取数据以及事务处理

![](/files/-M0cMUow34lwkDSErYGz)

### 服务层

​ ![](/files/-M0cMUoyvI_MfG0MCtpP)

### 核心层

​ ![](/files/-M0cMUp4Qj8zgbvJr7iM)

### 存储引擎层

​ ![](/files/-M0cMUp6W5YRy-m0X92A)

## 总图

​ ![](/files/-M0cMUp8J7INOrX-IO0t)


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