>>Note: If the table is in a different database that the table, then it doesn't matter where the table's DBC is, as long as it is open.
>
>What do I have to do with my app though? Do I have to explicitly open the other database? Just adding the table to the DE doesn't
>do it.

Sorry, I made a typo - it should have been
" If the table is in a different database than the *view* "

Adding the table to the DE *will* open its database. It doesn't have to be the current database, it just has to be open.