mysql -u root -p
use mysql;
mysql> grant all privileges on *.* to "root"@"%" identified by '';
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
OK
mysql -u root -p
use mysql;
mysql> grant all privileges on *.* to "root"@"%" identified by '';
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
OK