code: def clear_schema(self):
          
          execute = self.cursor.execute
          execute('TRUNCATE TABLE gauged_data')
          execute('TRUNCATE TABLE gauged_keys')
          execute('TRUNCATE TABLE gauged_writer_history')
          execute('TRUNCATE TABLE gauged_cache')
          execute('TRUNCATE TABLE gauged_statistics')
          self.db.commit()
docs: Clear all gauged data