To answer questions 2 and 3.
*2. In your store "before" the upgrade, what was the setting in your old configure.php file for DB_PREFIX?
What's that same setting in your new upgraded site's configure.php file? If different, why?
*
The DB_Prefix for both the old and the new configure.php file is:
define('DB_PREFIX', '');
3. Looking in the same configure.php files, both before and after, what's the setting for DB_DATABASE? If different, why?
define('DB_TYPE', 'mysql');
define('DB_PREFIX', '');
define('DB_SERVER', 'localhost');
define('DB_SERVER_USERNAME', 'DIFFERENT FROM ORIGINAL');
define('DB_SERVER_PASSWORD', 'DIFFERENT FROM ORIGINAL');
define('DB_DATABASE', 'DIFFERENT');
define('USE_PCONNECT', 'false'); // use persistent connections?
define('STORE_SESSIONS', 'db'); // use 'db' for best support, or '' for file-based storage
The upgrade is in a different folder. I created a new database for the upgrade and had hosting company import original database into new database