You can now set your default home view (or default database) upon logging into your Avail profile.
Make sure you are logged in to your Avail profile
Click on the vertical three-dot menu (⋮) or kebab, located to the right of the notification bell
A drop-down menu will pop up, click Settings
Under the first section, Preferences, you'll see a sub-section titled Default home view
To the right of the query, "Which database is opened when you open up Avail," select from the drop down list which database you'd like to set as your default
TIP: you can also navigate directly to setting your default home view by clicking here and following steps 4 & 5