WP CONFIG

Okay, I don’t know what the heck is… anything in that file (I just uploaded everything).

?php
// ** MySQL settings ** //
define(‘DB_NAME’, ‘wordpress’); // The name of the database
define(‘DB_USER’, ‘username’); // Your MySQL username
define(‘DB_PASSWORD’, ‘password’); // …and password
define(‘DB_HOST’, ‘localhost’); // 99% chance you won’t need to change this value

// Change the prefix if you want to have multiple blogs in a single database.
$table_prefix = ‘wp_’; // example: ‘wp_’ or ‘b2’ or ‘mylogin_’

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what is database, MySQL user name, and how do you “Change the prefix if you want to have multiple blogs in a single database”? Thanks!!