If I understand your question correctly then as far as the Teradata nodes are up and running all the databases will be active and up and runnings and users can access the database objects as long as they have the access to the specific database.
However to find out whether the database exists on the server or not you can Harpeet's query in SQL Assistant (and if you want to further restrict the search criteria then you can change the LIKE statement to IN ('QA0', 'QA1')...
↧