Mac 问题

Mac OS X的升级或其他原因可能会导致ＭySQL启动或开机自动运行时在ＭySQL操作面板上会提示“Warning:The /usr/local/mysql/data directory is not owned by the 'mysql' or '_mysql'”，
这应该是某种情况下导致/usr/local/mysql/data的宿主发生了改变，
只需要运行“sudo chown -R mysql /usr/local/mysql/data”即可

sudo chown -R  _mysql:wheel  /usr/local/mysql/data