Скопированный запрос, соответствующий созданию этой базы данных.

gistfile1.txt

-- MySQL Script generated by MySQL Workbench
-- Mon Feb 26 20:11:43 2024
-- 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='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';

-- -----------------------------------------------------
-- Schema firstModel
-- -----------------------------------------------------

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

-- -----------------------------------------------------
-- Table `firstModel`.`user`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `firstModel`.`user` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `firstname` VARCHAR(45) NOT NULL,
  `secondname` VARCHAR(45) NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `firstModel`.`product`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `firstModel`.`product` (
  `idproduct` INT NOT NULL AUTO_INCREMENT,
  `title` VARCHAR(45) NOT NULL,
  `description` TEXT NULL,
  PRIMARY KEY (`idproduct`))
ENGINE = InnoDB;


-- -----------------------------------------------------
-- Table `firstModel`.`invoice`
-- -----------------------------------------------------
CREATE TABLE IF NOT EXISTS `firstModel`.`invoice` (
  `idinvoice` INT NOT NULL AUTO_INCREMENT,
  `userid` INT NOT NULL,
  `productid` INT NOT NULL,
  `cost` DECIMAL(10,2) NOT NULL,
  PRIMARY KEY (`idinvoice`),
  INDEX `user_idx` (`userid` ASC) VISIBLE,
  INDEX `prod_idx` (`productid` ASC) VISIBLE,
  CONSTRAINT `user`
    FOREIGN KEY (`userid`)
    REFERENCES `firstModel`.`user` (`id`)
    ON DELETE CASCADE
    ON UPDATE CASCADE,
  CONSTRAINT `prod`
    FOREIGN KEY (`productid`)
    REFERENCES `firstModel`.`product` (`idproduct`)
    ON DELETE CASCADE
    ON UPDATE CASCADE)
ENGINE = InnoDB;


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

Запрос к схеме данных. ЛР №2. БД.