code: def QueryDatabases(self, query, options=None):
          
          if options is None:
              options = {}
  
          def fetch_fn(options):
              return self.__QueryFeed('/dbs',
                                      'dbs',
                                      '',
                                      lambda r: r['Databases'],
                                      lambda _, b: b,
                                      query,
                                      options), self.last_response_headers
          return query_iterable.QueryIterable(self, query, options, fetch_fn)
docs: Queries databases.
  
          :param (str or dict) query:
          :param dict options:
              The request options for the request.
  
          :return: Query Iterable of Databases.
          :rtype:
              query_iterable.QueryIterable