DROP TABLE IF EXISTS `balance_history`;
CREATE TABLE `balance_history` (
                                   `balance_id` int NOT NULL,
                                   `payment_price` decimal(15,6) NOT NULL,
                                   `remaining_amount` decimal(15,6) NOT NULL,
                                   `invoice_code` varchar(100) NOT NULL,
                                   `balance_type` varchar(10) NOT NULL COMMENT '+,-',
                                   `description` text NOT NULL,
                                   `insert_date` datetime NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb3;