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BMIS 325
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
EnrGrade
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
EnrGrade
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 StdCity, StdClass
OfferNo OffTerm, OffYear, CourseNo, CrsDesc
StdSSN, OfferNo EnrGrade
(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 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:
_______________________________
Page 3 of 5

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BMIS 325ModuleWeek 5 Homework AssignmentChapter 7 Homework.docx

  • 1. BMIS 325 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 EnrGrade CourseNo CrsDesc S1 SEATTLE JUN 01 SPRING 2009 3.5 C1 DB S1 SEATTLE JUN 02 FALL 2009 3.3 C2 VB S2
  • 2. 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
  • 3. 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
  • 4. 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 EnrGrade 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
  • 5. 03 SPRING 2010 3.1 C3 OO S2 DENVER JUN 02 FALL 2009 3.4 C2 VB Functional dependencies: StdSSN StdCity, StdClass OfferNo OffTerm, OffYear, CourseNo, CrsDesc StdSSN, OfferNo EnrGrade (1/2 point) Table 1 Primary Key: _______________________________ (1/2 point)
  • 6. Table 2 Primary Key: _______________________________ (1/2 point)
  • 7. Table 3 Primary Key: _______________________________ PART 5: (1/2 point) Now, assume an additional functional dependency: CourseNo 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: _______________________________
  • 8. Table 5 Primary Key: _______________________________ PART 7: (1/2 point) Identify any foreign keys in Table 4: _______________________________ Page 3 of 5