确定最高正常形式。
BOOK (ISBN, BookTitle, AuthorFName, AuthorLName, Publisher, Royalty, Edition)
ISBN -> BookTitle
ISBN -> Publisher
ISBN -> Edition
BookTitle -> Publisher
ISBN, AuthorFname, AuthorLName -> Royalty
根据我的理解,我是正确的说它是2NF,因为对ISBN有传递依赖 - > bookTitle - >出版商因此创造了传递性?
(Transitive dependency ISBN - > bookTitle - > publisher)
如果我错了,请纠正我。