
Originally Posted by
DrByte
The password required to do the database upgrade is the same password as you use to login to your admin back end.
And if you are properly doing your upgrade by staging it in a temporary place first, you will have imported a copy of your live database into a new temporary database for upgrade testing. In that scenario it also relies on the DB_PREFIX and other associated DB_XXXXXX settings to be correct in the configure.php files. The DB_PREFIX must be the same as the DB_PREFIX used in the configure.php files of the site which the original database came from.