text: CREATE TABLE `m_notification_item` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `module` varchar(45) NOT NULL,
    `type` varchar(45) NOT NULL,
    `typeId` varchar(45) NOT NULL,
    `notificationUser` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
    `createdTime` datetime NOT NULL,
    `message` varchar(1000) NOT NULL,
    `isRead` tinyint(1) NOT NULL,
    `sAccountId` int(11) NOT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `id_UNIQUE` (`id`),
    KEY `FK_m_notification_item_1_idx` (`notificationUser`),
    KEY `FK_m_notification_item_2_idx` (`sAccountId`),
    CONSTRAINT `FK_m_notification_item_1` FOREIGN KEY (`notificationUser`) REFERENCES `s_user` (`username`) ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT `FK_m_notification_item_2` FOREIGN KEY (`sAccountId`) REFERENCES `s_account` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  
  ALTER TABLE `m_prj_time_logging`
  ADD COLUMN `isApproved` BIT(1) NULL,
  ADD COLUMN `approveUser` VARCHAR(45) CHARACTER SET 'utf8mb4' COLLATE utf8mb4_unicode_ci  NULL,
  ADD COLUMN `approveDate` DATETIME NULL,
  ADD INDEX `FK_m_prj_time_logging_4_idx` (`approveUser` ASC);
  ALTER TABLE `m_prj_time_logging`
  ADD CONSTRAINT `FK_m_prj_time_logging_4`
    FOREIGN KEY (`approveUser`)
    REFERENCES `s_user` (`username`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION;