Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
5th Edition
ISBN: 9780134801407
Author: GADDIS
Publisher: PEARSON
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Chapter 3, Problem 6PE
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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
A relation schema R = (A, B, C, D, E) with a set of functional dependencies
F= {D A
CAB}
is decomposed into R₁ = (A, B, C) and R2 = (C, D, E).
(a) Is this a lossless-join decomposition? Why or why not?
(b) Is the decomposition dependency preserving? Why or why not?
No chatgpt please
Chapter 3 Solutions
Starting Out with Programming Logic and Design (5th 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 3.2, 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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