if my database usename is adbuilders_d and my database name is adbuilders_db and password is password what excactly should i be entering in here as ive tried everything and none of it works cant logion to my asmin panel either

define('DB_HOST', 'localhost');
define('DB_USER', 'testsite_zymichost_com_myuser');
define('DB_PASS', 'password');
define('DB_NAME', 'testsite_zymichost_com_mydb');

please explain ?

define('DB_HOST', 'localhost');
define('DB_USER', 'adbuilders_d');
define('DB_PASS', 'password');
define('DB_NAME', 'adbuilders_db');