What is the MySQL hostname?
Your MySQL hostname defines the location where your MySQL database is hosted. When you want to connect to your database, you must specify the MySQL hostname so that your application knows where to connect.
In most cases, including when hosting a WordPress site at ORC Web Hosting, your MySQL hostname localhost.
This essentially means that your MySQL database is running on the same server as the application you are working with (for example, your WordPress site).
If you want to publish your WordPress site at ORC Web Hosting host, you usually only need to know that the Hostname of your database localhost is.
What is the MySQL hostname?
The MySQL hostname defines the location of your MySQL server and database. If you want to access information in a MySQL database, you need to know the hostname. Again, the hostname is usually localhostwhich means that the database runs on the same server as your application (e.g. WordPress).
For a WordPress site, the MySQL hostname is defined in the wp-config.php file.

If you connect via FTP to the server of your WordPress site connect and open the wp-config.php file, you will see that your MySQL hostname is defined in the following line:
/** MySQL hostname */
define( 'DB_HOST', 'localhost' );
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