mysql_native_password
mysql5创建远程管理员
GRANT ALL PRIVILEGES ON *.* TO "root"@"%" IDENTIFIED BY "password" WITH GRANT OPTION;
FLUSH PRIVILEGES;
mysql8
create user 'root2'@'%' identified by 'password';
grant all privileges on *.* to 'root2'@'%' with grant option;
FLUSH PRIVILEGES;