https://www.jb51.net/article/157920.html https://www.cnblogs.com/barrywxx/p/8592975.html2、MySQL的锁机制和加锁原理
https://blog.csdn.net/qq_38238296/article/details/883629993、explain理解
https://blog.csdn.net/thedarkclouds/article/details/825557534、MySQL存储引擎InnoDB与Myisam的六大区别
https://www.runoob.com/w3cnote/mysql-different-nnodb-myisam.html5. 有哪些优化数据库性能的方法？
https://wenku.baidu.com/view/76a7104ac850ad02de804103.html6 如何定位慢查询
慢查询是什么
https://blog.csdn.net/qq_24095055/article/details/104606307
https://blog.csdn.net/qq_37768971/article/details/100006802
后期可以去b站上进行深入学习慢查询
