Starting Out with Programming Logic and Design (4th Edition)
4th Edition
ISBN: 9780133985078
Author: Tony Gaddis
Publisher: PEARSON
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Expert Solution & Answer
Chapter 3, Problem 6SA
Explanation of Solution
Difference between pass by value and pass by reference:
| Pass by value | Pass by reference: |
|
A copy of the argument’s value which is passed into the parameter variable is referred as pass by value. |
Pass by reference allows the argument to passed into a special type of parameter called reference variable. |
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In the pass by value, the called module creates new variables to store the value of the arguments passed to it. |
The reference variables permit the module to access the original argument of the parameter. |
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The changes made in the formal parameters do not reflect on the actual parameters... |
Expert Solution & Answer
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Don't use chatgpt or any other AI
Don't use chatgpt or any other AI
Given a relation schema R = (A, B, C, D, E,G) with a set of functional dependencies
F {ABCD
BC → DE
B→ D
D→ A}.
(a) Show that R is not in BCNF using the functional dependency A → BCD.
(b) Show that AG is a superkey for R
(c) Compute a canonical cover Fc for the set of functional dependencies F. Show your work.
(d) Give a 3NF decomposition of R based on the canonical cover found in (c). Show your
work.
(e) Give a BCNF decomposition of R using F. Show your work.
Chapter 3 Solutions
Starting Out with Programming Logic and Design (4th Edition)
Chapter 3.1, Problem 3.1CPChapter 3.1, Problem 3.2CPChapter 3.1, Problem 3.3CPChapter 3.1, Problem 3.4CPChapter 3.1, Problem 3.5CPChapter 3.2, Problem 3.6CPChapter 3.2, Problem 3.7CPChapter 3.2, Problem 3.8CPChapter 3.2, Problem 3.9CPChapter 3.3, Problem 3.10CP
Chapter 3.3, Problem 3.11CPChapter 3.3, Problem 3.12CPChapter 3.3, Problem 3.13CPChapter 3.4, Problem 3.14CPChapter 3.4, Problem 3.15CPChapter 3.4, Problem 3.16CPChapter 3.4, Problem 3.17CPChapter 3.4, Problem 3.18CPChapter 3.5, Problem 3.19CPChapter 3.5, Problem 3.20CPChapter 3.5, Problem 3.21CPChapter 3, Problem 1MCChapter 3, Problem 2MCChapter 3, Problem 3MCChapter 3, Problem 4MCChapter 3, Problem 5MCChapter 3, Problem 6MCChapter 3, Problem 7MCChapter 3, Problem 8MCChapter 3, Problem 9MCChapter 3, Problem 10MCChapter 3, Problem 11MCChapter 3, Problem 12MCChapter 3, Problem 13MCChapter 3, Problem 14MCChapter 3, Problem 15MCChapter 3, Problem 1TFChapter 3, Problem 2TFChapter 3, Problem 3TFChapter 3, Problem 4TFChapter 3, Problem 5TFChapter 3, Problem 6TFChapter 3, Problem 7TFChapter 3, Problem 8TFChapter 3, Problem 9TFChapter 3, Problem 10TFChapter 3, Problem 11TFChapter 3, Problem 12TFChapter 3, Problem 1SAChapter 3, Problem 2SAChapter 3, Problem 3SAChapter 3, Problem 4SAChapter 3, Problem 5SAChapter 3, Problem 6SAChapter 3, Problem 7SAChapter 3, Problem 1AWChapter 3, Problem 2AWChapter 3, Problem 3AWChapter 3, Problem 4AWChapter 3, Problem 5AWChapter 3, Problem 6AWChapter 3, Problem 7AWChapter 3, Problem 1DEChapter 3, Problem 2DEChapter 3, Problem 3DEChapter 3, Problem 4DEChapter 3, Problem 1PEChapter 3, Problem 2PEChapter 3, Problem 3PEChapter 3, Problem 4PEChapter 3, Problem 5PEChapter 3, Problem 6PEChapter 3, Problem 7PEChapter 3, Problem 8PEChapter 3, Problem 9PEChapter 3, Problem 10PEChapter 3, Problem 11PE
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