mysql下载地址：http://dev.mysql.com/downloads/mysql/，不需要账号的
mysql创建数据库，默认字符集是latin1,可以指定字符集。
mac删除mysql
cd ~/
sudo rm /usr/local/mysql
sudo rm -rf /usr/local/var/mysql
sudo rm -rf /usr/local/mysql*
sudo rm -rf /Library/StartupItems/MySQLCOM
sudo rm -rf /Library/PreferencePanes/My*
vim /etc/hostconfig and removed the line MYSQLCOM=-YES-rm -rf ~/Library/PreferencePanes/My*
sudo rm -rf /Library/Receipts/mysql*
sudo rm -rf /Library/Receipts/MySQL*
sudo rm -rf /var/db/receipts/com.mysql.*
下载workbench:mysql官网，download -》 community -> workbench