Database Management and Applications
|
Order ID
|
Order Date
|
Customer ID
|
Customer Name
|
Product ID
|
Product Desc.
|
Product Price
|
Quantity Ordered
|
|
1006
|
10/24/10
|
2
|
Value Furniture
|
7
5
4
|
Dining Table
Writers Desk
Entertain Center
|
800.00
325.00
650.00
|
2
2
1
|
|
1007
|
10/25/10
|
6
|
Furniture Gallery
|
11
4
|
4 Drawer Dresser
Entertain Center
|
500.00
650.00
|
4
3
|
1. What errors prevent the table displayed above from being first normal form compliant?
2. Bring the table(s) into first normal form compliance without loss of any data. Identify primary and foreign keys (when present) for all tables.
3. What error(s), if any, prevent the now first normal form compliant table or tables from being second normal form compliant?
4. Bring the table(s) into second normal form compliance without loss of any data. Identify primary and foreign keys. Be sure to present all tables, not just those changed in this step of the normalization process.
5. What error(s), if any, prevent the now second normal form compliant table or tables from being third normal form compliant?
6. Bring the table(s) into third normal form compliance without loss of any data. Identify primary and foreign keys. Be sure to present all tables, not just those changed in this step of the normalization process.
Whatsamatter U also has a number of students, of course. The table on the following page lists the information gathered for each student, plus 5 sample records. Some business rules that Whatsamatter U follows includes:
- Each student has a unique ID number
- A student has only a single advisor, but an advisor can have either zero or many students.
- Advisors are always faculty members (professors)
- A student can have only a single major but, of course, many students can have the same major
- A student can take a course more than once
Using the above business rules and the data in Table 1 on the following page, do the following:
1. What errors prevent the table displayed above from being first normal form compliant?
2. Bring the table(s) into first normal form compliance without loss of any data. Identify primary and foreign keys (when present) for all tables.
3. What error(s), if any, prevent the now first normal form compliant table or tables from being second normal form compliant?
4. Bring the table(s) into second normal form compliance without loss of any data. Identify primary and foreign keys. Be sure to present all tables, not just those changed in this step of the normalization process.
5. What error(s), if any, prevent the now second normal form compliant table or tables from being third normal form compliant?
6. Bring the table(s) into third normal form compliance without loss of any data. Identify primary and foreign keys. Be sure to present all tables, not just those changed in this step of the normalization process.
Table 1
Students
|
StudentID
|
Name
|
eMail
|
Department
|
Major
|
AdvisorID
|
Advisor
|
CoursesTaken
|
|
N112233
|
Rocky Squirrel
|
squirrel@wmu.edu
|
GSCIS
|
Information Systems
|
P123
|
John Data
|
MMIS630 (Fall 14)
MMIS620 (Winter 15)
|
|
N121212
|
Bullwinkle Moose
|
moose@wmu.edu
|
Business
|
Accounting
|
P456
|
Carl Numbers
|
ACCT810 (Summer 14)
MMIS630 (Fall 14)
|
|
N212121
|
Natasha Badenof
|
Nat@Bad.net
|
GSCIS
|
Information Systems
|
P123
|
John Data
|
MMIS630 (Winter 14)
MCIS610 (Winter 14)
|
|
N234432
|
Boris Badenof
|
Boris@Bad.net
|
GSICS
|
Computer Science
|
P789
|
Rich Geek
|
MCIS610 (Fall 14)
MCIS610 (Winter 15)
|