SQL的注入学习:链接:https://www.cnblogs.com/gyrgyr/p/9876569.html
SQL查询语句优化:链接:https://www.cnblogs.com/pcheng/p/4831710.html https://www.cnblogs.com/yunfeifei/p/3850440.html
SQL的一些优化问题:链接:https://blog.csdn.net/lizhen1114/article/details/79076447
数据库创建索引的优缺点:链接:https://www.cnblogs.com/mxmbk/articles/5226344.html
mybatis的讲解:链接:https://www.jianshu.com/p/df543044e8e2
Spring 使用注解方式进行事务管理:链接:https://www.cnblogs.com/younggun/p/3193800.html
索引失效的几种情况:链接:https://www.cnblogs.com/hongfei/archive/2012/10/20/2732589.html
unchecked异常和checked异常:链接:https://www.cnblogs.com/abc8023/p/6216740.html
HashMap的介绍:链接:https://www.jianshu.com/p/80abe743d7b9
高性能架构之数据库集群: 链接:https://www.jianshu.com/p/45887468b9a9
数据库乐观锁和悲观锁的理解和实现:链接:https://blog.csdn.net/woshiyeguiren/article/details/80277475