小编NEC*_*067的帖子

所以当我想添加外键时出现错误。我在带有EER图模型的MySQL Workbench中添加了外键。工作台尝试添加的行是：

CREATE SCHEMA IF NOT EXISTS `barberDB` DEFAULT CHARACTER SET latin1 ;
USE `barberDB` ;

-- -----------------------------------------------------
-- Table `barberDB`.`BARBER`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `barberDB`.`BARBER` (
  `ID` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(45) NULL,
  PRIMARY KEY (`ID`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `barberDB`.`CUSTOMER`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `barberDB`.`CUSTOMER` (
  `ID` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(45) NULL,
  `isHaircut` INT NULL,
  `isBeard` INT NULL,
  `isEyebrows` INT NULL,
  `BARBER_ID` INT NOT NULL,
  PRIMARY …