Upgrade your standard edition version of Backup To The Web to professional edition.

This option allows you to purchase the standard edition of Backup To The Web now to handle your file backups, then upgrade later to handle your database backups. 

The professional edition not only backs up your regular files, but backs up your databases like SQL, Oracle, Exchange, Exchange Mailbox, and Lotus Domino/Notes.

Save money by ordering a quarterly or yearly subscription!  The quarterly subscription saves you 5%, the annual subscription gives you one month free.