text: CREATE TABLE book (
    id            int(20) NOT NULL,
    book_store_id BIGINT,
    name          VARCHAR(80),
    author        VARCHAR(80),
    price         DECIMAL(10,2),
    topic         VARCHAR(80),
    publish_date  DATE,
    PRIMARY KEY (`id`)
  )ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  CREATE TABLE book_store (
    id           int(20) NOT NULL,
    name         VARCHAR(80),
    address      VARCHAR(80),
    PRIMARY KEY (`id`)
  )ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  CREATE TABLE user (
    id            int(20) NOT NULL,
    username      VARCHAR(80),
    password      VARCHAR(80),
    PRIMARY KEY (`id`)
  )ENGINE=InnoDB DEFAULT CHARSET=utf8;