def end_transaction(self):
    '\n            End database transaction.\n        Returns:\n\n        '
    SQL = 'END;'
    self.conn.execute_scalar(SQL)
End database transaction.
Returns:
def end_transaction(self):
    '\n            End database transaction.\n        Returns:\n\n        '
    SQL = 'END;'
    self.conn.execute_scalar(SQL)