小编Pio*_*otr的帖子

这是我的简化数据库方案

-- -----------------------------------------------------
-- Table `products`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `products` (
  `id` INT NULL AUTO_INCREMENT,
  `name` VARCHAR(45) NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `properties`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `properties` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `product_id` INT NULL,
  `key` VARCHAR(45) NULL,
  `value` VARCHAR(45) NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;

-- -----------------------------------------------------
-- Data for table `products`
-- -----------------------------------------------------
INSERT INTO `products` (`id`, `name`) VALUES (1, 'English Book …