You don't need a database for that. Just use your FTP program to connect to the DH server, create a directory (which is not online) and upload your stuff into that directory. Or create a completely independent FTP account (on which you don't host a website) and use that as your backup account, I recommend this method.
Databases are only used for PHP, Perl, Ruby scripts like message boards, weblogs and galleries so they can store the data.
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