left join和 right join,以哪个为主表?
https://blog.youkuaiyun.com/cuiyaocool/article/details/81316301
java的synchronized和lock的区别,具有哪些实现类?
https://www.jb51.net/article/126658.htm
数据库的锁
https://blog.youkuaiyun.com/samjustin1/article/details/52210125
http://www.imooc.com/article/17291
http://www.imooc.com/article/17290
http://www.imooc.com/article/17289
https://www.cnblogs.com/aspirant/p/11470858.html
https://www.cnblogs.com/aspirant/p/11705068.html
MVCC详解
https://www.cnblogs.com/yulibostu/articles/11580136.html
索引类型,创建索引
https://www.cnblogs.com/lihuiyong/p/5623191.html
一个http的请求处理过程
https://blog.youkuaiyun.com/cuiyaocool/article/details/82625911
怎么优化SQL
https://blog.youkuaiyun.com/zly9923218/article/details/51007554
四大热门NoSql(MongoDB,Hbase,ES,Redis)优劣及适用场景
https://blog.youkuaiyun.com/dog_flying/article/details/100052831
tcp滑动窗口和拥塞窗口
https://blog.youkuaiyun.com/ligupeng7929/article/details/79597423
TLS1.2 与 1.3 对比