text: CREATE TABLE [dbo].user_books (
    user_id INT NOT NULL,
    book_id INT NOT NULL,
    creation_date DATE,
    update_date DATE,
    CONSTRAINT user_books_book_id_fkey FOREIGN KEY (book_id) REFERENCES [dbo].books(id),
    CONSTRAINT user_books_user_id_fkey FOREIGN KEY (user_id) REFERENCES [dbo].users(id)
  );
  