1.

Consider the following relational schemas for a library database:
Book (Title, Author, Catalog_no, Publisher, Year, Price)
Collection (Title, Author, Catalog_no)
within the following functional dependencies
1. Title, Author Catalog_no
2. Catalog_no Title Author Publisher Year
3. Publisher Title Year Price
Assume {Author, Title} is the key for both schemas. Which of the following statements is true?

A. Both Book and Collection are in BCNF
B. Both Book and Collection are in 3 NF only
C. Book is in 2 NF and Collection is in 3 NF
D. Both Book and Collection are in 2 NF only
Answer» D. Both Book and Collection are in 2 NF only


Discussion

No Comment Found

Related MCQs