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^ in general, actual database files are not available for access on a shared web hosting

location can be like this => ~/mysql/data/database/ AND the files are not in readable format.

the database is accessible through a database manager (eg. phpMyAdmin)

The default data directory (on Ubuntu at least) is /var/lib/mysql/. In there will be a directory for each database, and each in directory there will be three files per table.

mybb_users.MYI - Indexes
mybb_users.MYD - Data
mybb_users.frm - Schema

Though, still, it's not clear what you're trying to do. You can't edit or view these files.