见错误：
1.禁止访问
2.无法连接MySQL服务器
3.客户端不支持认证协议
4.在交互访问模式下密码实效的问题
5.某某主机被封锁
6.连接数量过多
7.超过内存许可范围
8.MySQL服务器已经丢失
9.网络封包过大
10.通讯错误并放弃连接
11.数据库表已被填满
12.无法创建文件和写文件
13.命令顺序错位
14.用户被忽略
15.数据库表不存在
16.无法初始化字符集
17.找不到指定文件
具体解决方法，可以参考常见错误解决办法。(51CTO.COM教程
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