1.登录时的:error 1045
链接:https://www.cnblogs.com/zlslch/p/5937784.html
2.安装时MySql5.5.28 配置是第三步骤无响应(start sever)
https://blog.csdn.net/liuxiyangyang/article/details/8810094
3.创建已经存在的数据库
ERROR 1007 (HY000): Can't create database 'test'; database exists
4.删除不存在的数据库
ERROR 1007 (HY000): Can't create database 'test'; database exists