Question: 14.26 14.26. Consider the following relation: A B C TUPLE# ci 04 10 b1 cl 1 10 b2 c2 2 11 b4 3 12 b3

14.26 14.26. Consider the following relation: A B C TUPLE# ci 04 10 b1 cl 1 10 b2 c2 2 11 b4 3 12 b3 4 13 b1 cl 5 b3 c4 a. Given the previous extension (state), which of the following depende cies may hold in the above relation? If the dependency cannot halk explain why by specifying the tuples that cause the violation. 1. A B. ii. B-C, iii. CB, iv. B- A. v.CA 14 b. Does the above relation have a potential candidate key? If it does, what is it? If it does not, why not? 14.31 431. Consider the following relation for published books: BOOK (Book_title, Author_name, Book_type, List_price, Author_affil, Publisher) Author_affil refers to the affiliation of author. Suppose the following depen- dencies exist: Book_title- Publisher, Book_type Book_type List_price Author_name - Author_affil a. What normal form is the relation in? Explain your answer. b. Apply normalization until you cannot decompose the relations further. State the reasons behind each decomposition

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