阿里java开发规范 强制约束
http://news.51cto.com/art/201901/591018.htm :阿里开发强制要求的11条索引创建规范,提高性能
https://blog.csdn.net/Lujunwei0205/article/details/80999786 : myslq数据库
https://www.cnblogs.com/liang545621/p/9401132.html : myslq数据库
https://blog.csdn.net/abc8049156/article/details/75312561 : 摘选的比较有用的
https://blog.csdn.net/qq_31779213/article/details/78936376 : 全书
https://blog.csdn.net/JobsandCzj/article/details/78049526 :终极版整理(精简)
https://blog.csdn.net/u011504963/article/details/79727849 :【真·干货】MySQL 索引及优化实战
mysql字段类型tinyint、smallint、mediumint、int、bigint :
https://www.cnblogs.com/baizhanshi/p/8482068.html
https://blog.csdn.net/xbb_icey/article/details/79815200
https://blog.csdn.net/belen_xue/article/details/54357018
https://blog.csdn.net/javacoder_juejue/article/details/81913322