code: def run(self) -> None:
      self.validate()
      assert self._model
  
      try:
          DatabaseDAO.delete([self._model])
      except DAODeleteFailedError as ex:
          logger.exception(ex.exception)
          raise DatabaseDeleteFailedError() from ex
  
file_path: superset/superset/commands/database/delete.py
imports: import logging
  from typing import Optional
  from flask_babel import lazy_gettext
  from superset.commands.base import BaseCommand
  from superset.commands.database.exceptions import DatabaseDeleteDatasetsExistFailedError, DatabaseDeleteFailedError, DatabaseDeleteFailedReportsExistError, DatabaseNotFoundError
  from superset.daos.database import DatabaseDAO
  from superset.daos.exceptions import DAODeleteFailedError
  from superset.daos.report import ReportScheduleDAO
  from superset.models.core import Database
label_desc: Use image node_id 2 for calling the DeleteDatabaseCommand obj's underlying member method code with example usage: obj.run() without return types