Exadata Mini is the Oracle DB Appliance (ODBA?), as Oracle announced now.
It turns out that Oracle’s new small appliance isn’t really an Exadata Mini-Me. Rather, the Oracle Database Appliance is — well, it seems to be a box with an Oracle DBMS in it. Plus Oracle RAC and so on.
via Oracle Database Appliance soundbites and Database Appliance for the Masses.