-- MySQL Script generated by MySQL Workbench
-- Mon 05 Feb 2018 02:44:01 PM MST
-- Model: New Model    Version: 1.0
-- MySQL Workbench Forward Engineering

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';

-- -----------------------------------------------------
-- Schema openquestion
-- -----------------------------------------------------

-- -----------------------------------------------------
-- Schema openquestion
-- -----------------------------------------------------
CREATE SCHEMA IF NOT EXISTS `openquestion` DEFAULT CHARACTER SET utf8 ;
USE `openquestion` ;

-- -----------------------------------------------------
-- Table `openquestion`.`questions`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `openquestion`.`questions` (
  `qid` INT NOT NULL AUTO_INCREMENT,
  `qtext` TEXT NOT NULL,
  `qcode` VARCHAR(20) NOT NULL,
  PRIMARY KEY (`qid`),
  UNIQUE INDEX `qid_UNIQUE` (`qid` ASC))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `openquestion`.`answers`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `openquestion`.`answers` (
  `aid` INT NOT NULL AUTO_INCREMENT,
  `atext` TEXT NOT NULL,
  `qid` INT NOT NULL,
  PRIMARY KEY (`aid`, `qid`),
  UNIQUE INDEX `aid_UNIQUE` (`aid` ASC),
  INDEX `fk_answers_questions_idx` (`qid` ASC),
  CONSTRAINT `fk_answers_questions`
    FOREIGN KEY (`qid`)
    REFERENCES `openquestion`.`questions` (`qid`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `openquestion`.`responses`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `openquestion`.`responses` (
  `rid` INT NOT NULL AUTO_INCREMENT,
  `aid` INT NOT NULL,
  `qid` INT NOT NULL,
  `timestamp` DATETIME NOT NULL,
  PRIMARY KEY (`rid`, `aid`, `qid`),
  UNIQUE INDEX `rid_UNIQUE` (`rid` ASC),
  INDEX `fk_responses_answers1_idx` (`aid` ASC, `qid` ASC),
  CONSTRAINT `fk_responses_answers1`
    FOREIGN KEY (`aid` , `qid`)
    REFERENCES `openquestion`.`answers` (`aid` , `qid`)
    ON DELETE NO ACTION
    ON UPDATE NO ACTION)
ENGINE = InnoDB;


SET SQL_MODE=@OLD_SQL_MODE;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;