Q. 41 Consider the following relational schemes for a library database:
Book (Title, Author, Catalog_no, Publisher, Year, price) Collection (Title, Author, Catalog_no)
Which the following functional dependencies:
I. Title Author "Catalog_no II. Catalog_no "Title Author Publisher Year III. Publisher Title Year"price
Assume {Author, Title} is the key for both schemes: which of the following
statements is true?
(A) Both Book and Collection are in BCNF
(B) Both Book and Collection are in 3NF only
(C) Book is in 2NF and Collection is in 3NF
(D) Both Book and Collection are in 2NF only
Answer: (C)
Explanation:
