OSCOMMERCE – CHANGE SERVER , USERNAME , AND PASSWORD DATABASE

you will have to find the scripts (e.g. catalog/includes/configure.php & admin/includes/configure.php) with the database variable as ‘osCommerce’ and change it to your database name, as well as inputting your username and passsword as required.

find and change with ur data ^^

// define our database connection
 define('DB_SERVER', 'localhost'); // eg, localhost - should not be empty for productive servers
 define('DB_SERVER_USERNAME', 'root');
 define('DB_SERVER_PASSWORD', '');
 define('DB_DATABASE', 'suryncom_sc');
 define('USE_PCONNECT', 'true'); // use persistent connections?
 define('STORE_SESSIONS', 'mysql'); // leave empty '' for default handler or set to 'mysql'