text: create table if not exists book (id bigint NOT NULL AUTO_INCREMENT, book_title varchar(255), isbin varchar(255), authors varchar(255), publish_date date, publisher varchar(255), price double, stock int, PRIMARY KEY (id) )ENGINE=InnoDB DEFAULT CHARSET=utf8;;
  CREATE TABLE  if not exists `user` (
    `id` bigint(20) NOT NULL AUTO_INCREMENT,
    `password` varchar(255) NOT NULL,
    `username` varchar(255) NOT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;;