COSC 3318-Assignment5(0)-4 (Compatibility Mode]-Word ENCES MAILINGS REVIEW VIEW ADD-INS ,1.2 . EE., .IITNormal TNIo Spac.. Heading 4 Title Sub- Paragraph Styles 3. (20 points) Suppose we have relation R(A, B, C, D, E), with some set of FD's. Compute the attribute closure for each of the following cases: a) AB-, DE, C E, D C, and E A. Compute(BC)+ b) A-D, BD E, AC E, and DB+ B. Compute(AB71 Dr. Bing Zhou: COSC 3318: Assignment 5 Page 3 of 3 4. (20 points) For each of the following relation schemas and sets of FD's: a) R(A, B, C, D) with FD's AB C, C-D, and D-A b) R(A, B. C, D, E) with FD's AB C, C D, D B, and D E. Decompose the relations, as necessary, into collections of relations that are in BCNF. Do not forget to consider FD's that are not in the given set, but follow from them. Inse F10 F11 FB