To access admin MySQL you should use the following in command prompt:
cd %plesk_dir%\mysql\bin
mysql -uadmin -p<admin_pass> -P8306 psa
8306 is the admin mysql port used by plesk and psa is the plesk database
To access to clients mysql use the same string except port. Clients mysql uses standard port 3306
mysql -u<clientdatabaseusername> -p<databasepass> -P3306 <clientdbname>









