Question

CREATE TABLE `DELIVERY` (
  `del_ID` VARCHAR(45) NOT NULL,
  `del_date` DATETIME NOT NULL,
  `del_time` DATETIME NOT NULL,
  `VEHICLE_veh_ID` INT NOT NULL,
  `DRIVER_dr_ID` INT NOT NULL,
  INDEX `fk_VEHICLE_has_DRIVER_DRIVER1_idx` (`DRIVER_dr_ID` ASC),
  INDEX `fk_VEHICLE_has_DRIVER_VEHICLE1_idx` (`VEHICLE_veh_ID` ASC),
  PRIMARY KEY (`del_ID`),
  CONSTRAINT `fk_VEHICLE_has_DRIVER_VEHICLE1`
    FOREIGN KEY (`VEHICLE_veh_ID`)
    REFERENCES `ZionDB`.`VEHICLE` (`veh_ID`)
  CONSTRAINT `fk_VEHICLE_has_DRIVER_DRIVER1`
    FOREIGN KEY (`DRIVER_dr_ID`)
    REFERENCES `ZionDB`.`DRIVER` (`dr_ID`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION);

您的SQL语法有错误;检查与您的MySQL服务器版本对应的手册，以便在＃CONS; CONSTRAINT fk_VEHICLE_has_DRIVER_DRIVER1附近使用正确的语法外键（DRIVER_dr_ID）＆＃39;在第13行

我需要一只手，因为我不理解我的错误，而且我被卡住了。

Answer 1

在第一次FK定义后忘记逗号。

正确的语法是

CREATE TABLE `DELIVERY` ( `del_ID` VARCHAR(45) NOT NULL, `del_date` DATETIME NOT NULL, `del_time` DATETIME NOT NULL, `VEHICLE_veh_ID` INT NOT NULL, `DRIVER_dr_ID` INT NOT NULL, INDEX `fk_VEHICLE_has_DRIVER_DRIVER1_idx` (`DRIVER_dr_ID` ASC), INDEX `fk_VEHICLE_has_DRIVER_VEHICLE1_idx` (`VEHICLE_veh_ID` ASC), PRIMARY KEY (`del_ID`), CONSTRAINT `fk_VEHICLE_has_DRIVER_VEHICLE1` FOREIGN KEY (`VEHICLE_veh_ID`) REFERENCES `ZionDB`.`VEHICLE` (`veh_ID`), CONSTRAINT `fk_VEHICLE_has_DRIVER_DRIVER1` FOREIGN KEY (`DRIVER_dr_ID`) REFERENCES `ZionDB`.`DRIVER` (`dr_ID`) ON DELETE NO ACTION ON UPDATE NO ACTION);

＆＃39; CONSTRAINT附近的语法错误

1 个答案: