I was attempting to Forward engineer an EER diagram in MySQL Workbench and I keep on getting this error. I'm pretty new to this so any help would be appreciated as well as anything I could use to improve. Enclosed is the error message and the SQL script. Thanks!
ERROR: Error 1005: Can't create table 'mnn09c.ASSIGN' (errno: 150)
CREATE TABLE IF NOT EXISTS `mnn09c`.`ASSIGN` (
`ASN_ID` INT NOT NULL,
`ASN_START_D` DATETIME NOT NULL,
`ASN_END_D` DATETIME NOT NULL,
`EMP_ID` INT NOT NULL,
PRIMARY KEY (`ASN_ID`),
CONSTRAINT `fk_ASSIGN_PRODUCT1`
FOREIGN KEY (`ASN_ID`)
REFERENCES `mnn09c`.`PRODUCT` (`ASN_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB
SQL script execution finished: statements: 13 succeeded, 1 failed
Fetching back view definitions in final form.
Nothing to fetch
Executing SQL script in server
ERROR: Error 1005: Can't create table 'mnn09c.ASSIGN' (errno: 150)
CREATE TABLE IF NOT EXISTS `mnn09c`.`ASSIGN` (
`ASN_ID` INT NOT NULL,
`ASN_START_D` DATETIME NOT NULL,
`ASN_END_D` DATETIME NOT NULL,
`EMP_ID` INT NOT NULL,
PRIMARY KEY (`ASN_ID`),
CONSTRAINT `fk_ASSIGN_PRODUCT1`
FOREIGN KEY (`ASN_ID`)
REFERENCES `mnn09c`.`PRODUCT` (`ASN_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB
SQL script execution finished: statements: 13 succeeded, 1 failed
Fetching back view definitions in final form.
Nothing to fetch
___________________________________________________________
`SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL,ALLOW_INVALID_DATES';
DROP SCHEMA IF EXISTS `mnn09c` ;
CREATE SCHEMA IF NOT EXISTS `mnn09c` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci
;
SHOW WARNINGS;
USE `mnn09c` ;
-- -----------------------------------------------------
-- Table `mnn09c`.`PRODUCT`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`PRODUCT` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`PRODUCT` (
`PROD_ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`PROD_DURATION` INT NOT NULL,
`PROD_EVAL` VARCHAR(45) NOT NULL,
`ASN_ID` INT NOT NULL,
PRIMARY KEY (`PROD_ID`))
ENGINE = InnoDB;
SHOW WARNINGS;
-- -----------------------------------------------------
-- Table `mnn09c`.`ASSIGN`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`ASSIGN` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`ASSIGN` (
`ASN_ID` INT NOT NULL,
`ASN_START_D` DATETIME NOT NULL,
`ASN_END_D` DATETIME NOT NULL,
`EMP_ID` INT NOT NULL,
PRIMARY KEY (`ASN_ID`),
CONSTRAINT `fk_ASSIGN_PRODUCT1`
FOREIGN KEY (`ASN_ID`)
REFERENCES `mnn09c`.`PRODUCT` (`ASN_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB;
SHOW WARNINGS;
-- -----------------------------------------------------
-- Table `mnn09c`.`EMPLOYEE`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`EMPLOYEE` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`EMPLOYEE` (
`EMP_ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`EMP_LNAME` VARCHAR(45) NOT NULL,
`EMP_FNAME` VARCHAR(45) NOT NULL,
`EMP_ADDR` VARCHAR(45) NOT NULL,
`DEPT_ID` INT NOT NULL,
`DIVS_ID` INT NOT NULL,
PRIMARY KEY (`EMP_ID`),
INDEX `fk_EMPLOYEE_DEPT_idx` (`DEPT_ID` ASC),
CONSTRAINT `fk_EMPLOYEE_DEPT`
FOREIGN KEY (`DEPT_ID`)
REFERENCES `mnn09c`.`DEPT` (`DEPT_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,
CONSTRAINT `fk_EMPLOYEE_ASSIGN1`
FOREIGN KEY (`EMP_ID`)
REFERENCES `mnn09c`.`ASSIGN` (`EMP_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB;
SHOW WARNINGS;
-- -----------------------------------------------------
-- Table `mnn09c`.`DIVISION`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`DIVISION` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`DIVISION` (
`DIVS_ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`DIVS_NAME` VARCHAR(45) NOT NULL,
`DIVS_URL` VARCHAR(45) NOT NULL,
`DIVS_EMAIL` VARCHAR(45) NOT NULL,
`DIVS_LOC` VARCHAR(45) NOT NULL,
`EMP_ID` INT NOT NULL,
PRIMARY KEY (`DIVS_ID`),
UNIQUE INDEX `DIVS_ID_UNIQUE` (`DIVS_ID` ASC),
UNIQUE INDEX `DIVS_URL_UNIQUE` (`DIVS_URL` ASC),
UNIQUE INDEX `DIVS_EMAIL_UNIQUE` (`DIVS_EMAIL` ASC),
INDEX `fk_DIVISION_EMPLOYEE1_idx` (`EMP_ID` ASC),
CONSTRAINT `fk_DIVISION_EMPLOYEE1`
FOREIGN KEY (`EMP_ID`)
REFERENCES `mnn09c`.`EMPLOYEE` (`EMP_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB;
SHOW WARNINGS;
-- -----------------------------------------------------
-- Table `mnn09c`.`DEPT`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`DEPT` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`DEPT` (
`DEPT_ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`DEPT_NAME` VARCHAR(45) NOT NULL,
`DEPT_LOCATION` VARCHAR(45) NOT NULL,
`DEPT_EMAIL` VARCHAR(45) NOT NULL,
`DEPT_URL` VARCHAR(45) NOT NULL,
`EMP_ID` INT NOT NULL,
`DIVS_ID` INT NOT NULL,
PRIMARY KEY (`DEPT_ID`),
UNIQUE INDEX `DEPT_ID_UNIQUE` (`DEPT_ID` ASC),
UNIQUE INDEX `DEPT_EMAIL_UNIQUE` (`DEPT_EMAIL` ASC),
UNIQUE INDEX `DEPT__UNIQUE` (`DEPT_URL` ASC),
INDEX `fk_DEPT_DIVISION1_idx` (`DIVS_ID` ASC),
INDEX `fk_DEPT_EMPLOYEE1_idx` (`EMP_ID` ASC),
CONSTRAINT `fk_DEPT_DIVISION1`
FOREIGN KEY (`DIVS_ID`)
REFERENCES `mnn09c`.`DIVISION` (`DIVS_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,
CONSTRAINT `fk_DEPT_EMPLOYEE1`
FOREIGN KEY (`EMP_ID`)
REFERENCES `mnn09c`.`EMPLOYEE` (`EMP_ID`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB;
SHOW WARNINGS;
-- -----------------------------------------------------
-- Table `mnn09c`.`MANAGE`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `mnn09c`.`MANAGE` ;
SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `mnn09c`.`MANAGE` (
`MANAGER_ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`MANAGER_ID`),
UNIQUE INDEX `MANAGER_ID_UNIQUE` (`MANAGER_ID` ASC))
ENGINE = InnoDB;
SHOW WARNINGS;
SET SQL_MODE=@OLD_SQL_MODE;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;