# Chapter 7 homework – normalization of relational tables

Module/Week 5  Homework Assignment
Chapter 7 Homework
PART 1:   (1 point)
Given the following table, identify the functional dependencies:

StdSSN

StdCity

StdClass

OfferNo

OffTerm

OffYear

CourseNo

CrsDesc

S1

SEATTLE

JUN

01

SPRING

2009

3.5

C1

DB

S1

SEATTLE

JUN

02

FALL

2009

3.3

C2

VB

S2

DENVER

JUN

03

SPRING

2010

3.1

C3

OO

S2

DENVER

JUN

02

FALL

2009

3.4

C2

VB

PART 2: (1 point)
In the table provided below, fill in the following data such that it is completely un-normalized.  That is, it is not even in 1NF.
222-33-44444  John Doe         Web Design, Database, Intro to MIS, C# Programming
555-66-7777    Jane Doe         Prin. Of Accounting, Auditing I, Statistical Analysis

SSN

StudentName

Courses

PART 3: (1 point)
Using your un-normalized table above, fill in the table below with the data in 1NF.

SSN

StudentName

Courses

PART 4:
Given the following table and functional dependencies, construct tables below that will satisfy 2NF and identify the primary key of each new table. Note that the primary key of this table is StdSSN + OfferNo.

StdSSN

StdCity

StdClass

OfferNo

OffTerm

OffYear

CourseNo

CrsDesc

S1

SEATTLE

JUN

01

SPRING

2009

3.5

C1

DB

S1

SEATTLE

JUN

02

FALL

2009

3.3

C2

VB

S2

DENVER

JUN

03

SPRING

2010

3.1

C3

OO

S2

DENVER

JUN

02

FALL

2009

3.4

C2

VB

Functional dependencies:
StdSSN à StdCity, StdClass
OfferNo à OffTerm, OffYear, CourseNo, CrsDesc
(1/2 point)
Table 1
Primary Key:      _______________________________

(1/2 point)

Table 2
Primary Key:        _______________________________
(1/2 point)

Table 3
Primary Key:    _______________________________

PART 5:(1/2 point)
Now, assume an additional functional dependency:
CourseNo à CrsDesc

What table above needs to be modified to accommodate this new functional dependency?
_______________________________

PART 6:(1/2 point)
Given this new functional dependency, create tables below that will put this table in 3NF.

Table 4
Primary Key:   _______________________________

Table 5
Primary Key:    _______________________________
PART 7:(1/2 point)
Identify any foreign keys in Table 4:   _______________________________

Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

## Calculate the price of your order

Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

## Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.