遇到有关mysql的各种问题

先把工作中遇到的问题记录下，后面再详细展开。

1、mysql启动报错：Starting MySQL… ERROR! The server quit without updating PID file

http://blog.51cto.com/732233048/1636409 http://blog.csdn.net/qiubt__123/article/details/52205325

2、数据表crash后恢复方法

http://blog.csdn.net/rainysia/article/details/9233619

3、[error] innodb: ignoring the redo log due to missing mlog_checkpoint between

https://spin.atomicobject.com/2011/05/09/mysql-failed-registration-of-innodb-as-a-storage-engine/