GATE | GATE CS 2008 | Question 69

Consider the following relational schemes for a library database: Book (Title, Author, Catalog_no, Publisher, Year, Price) Collection (Title, Author, Catalog_no) with in 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

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