PyMySQL 是一个纯 Python 实现的 MySQL 客户端库，Python 3.4 之后基本取代了老的 MySQLdb。它的定位很清晰：轻量、无 C 扩展依赖、pip 装完就能用。适合谁？适合中小型 Python 项目、脚本任务、Flask/FastAPI 这类需要自己管理连接生命周期的场景。但它的默认行为是「一次连接、一次使用、用完就关」，在高 ...

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MySQL is an open source relational database management system. Based in Structured Query Language (SQL), MySQL can run on most platforms and is mainly used for web-based applications. It is written in ...

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