mac games are played under the mysql

Start, restart, stop service
https://blog.csdn.net/fighting_sxw/article/details/80229060

Change Password
https://www.cnblogs.com/pengzhaov/p/7266947.html

Completely uninstall
https://www.jianshu.com/p/276c1271ae14

Set coding:
https://www.cnblogs.com/jinjidedale/p/6183451.html