code: def _jobStoreExists(self):
          
          for attempt in retry_azure():
              with attempt:
                  try:
                      exists = self.tableService.exists(table_name=self._qualify('statsFileIDs'))
                  except AzureMissingResourceHttpError as e:
                      if e.status_code == 404:
                          return False
                      else:
                          raise
                  else:
                      return exists
docs: Checks if job store exists by querying the existence of the statsFileIDs table. Note that
          this is the last component that is deleted in :meth:`.destroy`.