CREATE USER 'userName'@'%' IDENTIFIED BY 'Password'; grant all privileges on `dbName`.* to userName@'%' WITH GRANT OPTION; FLUSH PRIVILEGES;
需要注意8.0在已有用户的情况,直接执行上面第二句命令,
不能直接执行 下方语句
grant all privileges on `dbName`.* to userName@'%' IDENTIFIED BY 'Password' WITH GRANT OPTION;
http://blog.xqlee.com/article/2404021942342809.html