
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
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Chapter 3.5, Problem 3.17CP
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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.
The following entity-relationship (ER) diagram models a database that helps car deal-
ers maintain records of customers and cars in their inventory.
Construct a relational database schema from the ER diagram. Your set of schemas should
include primary-key and foreign-key constraints and you should ensure there are no redundant
schemas.
has_model
model
modelID
name
vehicle
has_vehicle
VIN
dealer_ID
brand
name
has_available_option
has_option
has_dealer
options
options_ID
specification
dealer
dealer ID
name
customer_ID
owned_by
customer
customer ID
name
Chapter 3 Solutions
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
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 3.1, Problem 3.6CPChapter 3.1, Problem 3.7CPChapter 3.2, Problem 3.8CPChapter 3.2, Problem 3.9CPChapter 3.2, Problem 3.10CP
Chapter 3.2, Problem 3.11CPChapter 3.3, Problem 3.12CPChapter 3.3, Problem 3.13CPChapter 3.4, Problem 3.14CPChapter 3.4, Problem 3.15CPChapter 3.5, Problem 3.16CPChapter 3.5, Problem 3.17CPChapter 3.5, Problem 3.18CPChapter 3.5, Problem 3.19CPChapter 3.6, Problem 3.20CPChapter 3.6, Problem 3.21CPChapter 3.6, Problem 3.22CPChapter 3.8, Problem 3.23CPChapter 3.9, Problem 3.24CPChapter 3.9, Problem 3.25CPChapter 3.9, Problem 3.26CPChapter 3.9, Problem 3.27CPChapter 3.9, Problem 3.28CPChapter 3.10, Problem 3.29CPChapter 3.10, Problem 3.30CPChapter 3.10, Problem 3.31CPChapter 3.10, Problem 3.32CPChapter 3.10, Problem 3.33CPChapter 3.10, Problem 3.34CPChapter 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 16TFChapter 3, Problem 17TFChapter 3, Problem 18TFChapter 3, Problem 19TFChapter 3, Problem 20TFChapter 3, Problem 21TFChapter 3, Problem 1FTEChapter 3, Problem 2FTEChapter 3, Problem 3FTEChapter 3, Problem 4FTEChapter 3, Problem 5FTEChapter 3, Problem 6FTEChapter 3, Problem 7FTEChapter 3, Problem 8FTEChapter 3, Problem 9FTEChapter 3, Problem 10FTEChapter 3, Problem 1AWChapter 3, Problem 2AWChapter 3, Problem 3AWChapter 3, Problem 4AWChapter 3, Problem 5AWChapter 3, Problem 6AWChapter 3, Problem 7AWChapter 3, Problem 8AWChapter 3, Problem 9AWChapter 3, Problem 10AWChapter 3, Problem 11AWChapter 3, Problem 12AWChapter 3, Problem 13AWChapter 3, Problem 14AWChapter 3, Problem 1SAChapter 3, Problem 2SAChapter 3, Problem 3SAChapter 3, Problem 4SAChapter 3, Problem 5SAChapter 3, Problem 6SAChapter 3, Problem 7SAChapter 3, Problem 8SAChapter 3, Problem 9SAChapter 3, Problem 10SAChapter 3, Problem 1PCChapter 3, Problem 2PCChapter 3, Problem 3PCChapter 3, Problem 4PCChapter 3, Problem 5PCChapter 3, Problem 6PCChapter 3, Problem 7PCChapter 3, Problem 8PCChapter 3, Problem 9PCChapter 3, Problem 10PCChapter 3, Problem 11PCChapter 3, Problem 12PCChapter 3, Problem 13PCChapter 3, Problem 14PCChapter 3, Problem 15PCChapter 3, Problem 16PCChapter 3, Problem 17PCChapter 3, Problem 18PC
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