When opening a DB using `DatabaseHolderImpl::openDb`, a search is made to see if an existing database exists where the name only differs in case. If so an exception will be thrown.

To find such existing DBs, the function `DatabaseHolderImpl::DBsIndex::getAnyConflictingName` is used. This function uses a primitive comparison function that compare the "tolower" value of each char. This cannot work for multi byte UTF-8 chars.
So if you have a db named "foo", you are not allowed to create a db named "Foo". But if you have a db named "æbler", you can perfectly well create one named "Æbler".