为什么输出显示“缺少右括号”？

Question

CREATE TABLE BOOKS(
    ISBN int(100) not null,
    book_title varchar(50) not null,
    category varchar(50) not null,
    rental_price int(10) not null,
    status varchar(50) not null,
    author varchar(50) not null,
    publisher varchar(50) not null,
    primary key(ISBN)
);