code: def destroy():
      
      click.secho('Destroying database {0}'.format(_db.engine.url),
                  fg='red', bold=True)
      if _db.engine.name == 'sqlite':
          try:
              drop_database(_db.engine.url)
          except FileNotFoundError as e:
              click.secho('Sqlite database has not been initialised',
                          fg='red', bold=True)
      else:
          drop_database(_db.engine.url)
docs: Drop database.