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本内容遵循CC 4.0 BY-SA版权协议 Django官方文档开篇就写：“SQLite is included with Python, so it’s the default database for new projects.” 这句话藏着一个巨大陷阱—— 默认不等于推荐，更不等于生产可用 。

开头想清楚了：这篇东西适合谁？适合正在搭JavaWeb项目的学生、用IDEA做课程设计的人、用C++或Python接MySQL的开发者、还有用Excel或者BI工具连数据库做报表的分析师。这些人虽然技术栈不同，但卡住的点其实是同一个——驱动从哪拿、怎么放、怎么配。下面直接进入正题。