====== Cambiar clave de Usuario ======

Usar la base de datos **mysql** 

   mysql> use mysql;

Cambiar clave:

   SET PASSWORD FOR 'user-name-here'@'hostname-name-here' = PASSWORD('new-password-here');

O también:

   UPDATE mysql.user SET Password=PASSWORD('new-password-here') WHERE User='user-name-here' AND Host='host-name-here';
 
Confirmación de cambio:

  Query OK, 1 row affected (0.00 sec)
  Rows matched: 1  Changed: 1  Warnings: 0