mysql> GRANT ALL PRIVILEGES ON . TO 'root'@'%'IDENTIFIED BY '123456' WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES
-> ;
Query OK, 0 rows affected (0.00 sec)
mysql> GRANT ALL PRIVILEGES ON . TO 'root'@'%'IDENTIFIED BY '123456' WITH GRANT OPTION;
Query OK, 0 rows affected (0.00 sec)
mysql> FLUSH PRIVILEGES
-> ;
Query OK, 0 rows affected (0.00 sec)