1. allow all ip access db.
mysql> CREATE USER 'root'@'%' IDENTIFIED BY '******'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION; mysql> CREATE USER 'roo1. allow all ip access db.
mysql> CREATE USER 'root'@'%' IDENTIFIED BY '******'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION; mysql> CREATE USER 'roo