UBUNTU下卸载和安装mysql的几条命令

sudo apt-get purge mysql-client-core-5.5
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get install mysql-client-core-5.5
sudo apt-get install mysql-server  

参考地址：http://askubuntu.com/questions/489815/cannot-install-mysql-server-5-5-the-following-packages-have-unmet-dependicies