Error message

Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var/www/html/includes/

Exporting and importing the database using phpMyAdmin

phpMyAdmin is a user interface for administering MySQL databases that's available through most inexpensive hosting providers. Here's a video of how to export databases using it, and another on how to import databases.