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MySql

DROP TABLE IF EXISTS `t_user`;
CREATE TABLE `t_user` (
  `id` int NOT NULL AUTO_INCREMENT,
  `name` varchar(100) DEFAULT NULL,
  `sex` varchar(100) DEFAULT NULL,
  `email` varchar(100) DEFAULT NULL,
  `phone` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

DROP TABLE IF EXISTS `t_order`;

CREATE TABLE `t_order` (
  `id` int NOT NULL AUTO_INCREMENT,
  `order_time` datetime DEFAULT NULL,
  `total` decimal(10,0) DEFAULT NULL,
  `uid` int DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;