This repository contains SQL tasks I completed while following Alex the Analyst's MySQL course. Over 4 hours, I learned how to: Create and manage databases and tables Write complex queries using JOINs ...

🛠️ 技术栈 后端核心 SpringBoot、SpringCloud Alibaba / SpringCloud MyBatis、MySQL（SQL 优化、事务、分库分表思想） Redis（热点缓存、分布式计数、限流） Redisson（分布式锁、可重入锁、公平锁） RabbitMQ（异步解耦、流量削峰、可靠消息投递） XXL-JOB（分布式定时任务 ...

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