This is a screen shot of the DBUA Databases screen.
At the top of the screen is the following text:
Select the database that you want to upgrade. If you do not see the database that you want, make sure that an entry with the database name exists in the /etc/oratab file.
Below this text is an Available Databases table with columns labeled Select, Database, and Oracle Home.
At the bottom of the screen are Cancel, Help, Back, and Next buttons.