mvn installCREATE DATABASE qoobk CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
USE qoobk;
DROP TABLE IF EXISTS book;
CREATE TABLE book (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
title CHAR(255) NOT NULL,
url VARCHAR(2048) CHARACTER SET utf8mb4,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;get book name
python3 main.pyupdate database
python3 insert_database_with_book_info.py