Database System Concepts
7th Edition
ISBN: 9781260084504
Author: Abraham Silberschatz, S. Sudarshan, Abraham, Henry Korth, Silberschatz Abraham, Silberschatz Professor
Publisher: McGraw-Hill Education
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Expert Solution & Answer
Chapter 13, Problem 3PE
Explanation of Solution
The relation section with tree tuples:
course_id | sec_id | semester | year | building | room_number | time_slot_id |
BIO-301 | 1 | ... |
Explanation of Solution
The relation takes with five students for each section:
ID | course_id | sec_id | semester | year | grade |
00128 | CS-101 | 1 | Fall | 2009 | A |
00128 | CS-347 | 1 | Fall | 2009 | A- |
12345 | CS-347 | 1 | Fall | 2009 | A |
12345 | CS-101 | 1 | Fall | 2009 | C |
17968 | BIO-301 | 1 | Summer | 2010 | null |
23856 | CS-347 | 1 | Fall | 2009 | A |
45678 | CS-101 | 1 | Fall | 2009 | F |
54321 | CS-101 | 1 | Fall | 2009 | A- |
Explanation of Solution
The multi table clustering for the given two instances:
BIO-301 | 1 | Summer | 2010 | Painter | 514 | A |
17968 | BIO-301 | 1 | Summer | 2010 | null | |
59762 | BIO-301 | 1 | Summer | 2010 | null | |
78546 | BIO-301 | 1 | Summer | 2010 | null | |
89729 | BIO-301 | 1 | Summer | 2010 | null | |
98988 | BIO-301 | 1 | Summer | 2010 | null | |
CS-101 | 1 | Fall | 2009 | Packard | 101 | H |
00128 | CS-101 | 1 | Fall | 2009 | A | |
12345 | CS-101 | 1 | Fall | 2009 | C | |
45678 | CS-101 | 1 | Fall | 2009 | F | |
54321 | CS-101 | 1 | Fall | 2009 | A- | |
76543 | CS-101 | 1 | Fall | 2009 | ...
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