Assignment
Using the INVOICE table structure shown below, do the following:
|
Attribute Name
|
Sample Value
|
Sample Value
|
Sample Value
|
Sample Value
|
Sample Value
|
|
INV_NUM
|
211347
|
211347
|
211347
|
211348
|
211349
|
|
PROD_NUM
|
AA-E3422QW
|
QD-300932X
|
RU-995748G
|
AA-E3422QW
|
GH-778345P
|
|
SALE_DATE
|
15-Jan-2016
|
15-Jan-2016
|
15-Jan-2016
|
15-Jan-2016
|
16-Jan-2016
|
|
PROD_LABEL
|
Rotary sander
|
0.25-in. drill bit
|
Band saw
|
Rotary sander
|
Power drill
|
|
VEND_CODE
|
211
|
211
|
309
|
211
|
157
|
|
VEND_NAME
|
NeverFail, Inc.
|
NeverFail, Inc.
|
BeGood, Inc.
|
NeverFail, Inc.
|
ToughGo, Inc.
|
|
QUANT_SOLD
|
1
|
8
|
1
|
2
|
1
|
|
PROD_PRICE
|
$49.95
|
$3.45
|
$39.99
|
$49.95
|
$87.75
|
I. Write the relational schema, draw its dependency diagram and identify all dependencies, including all partial and transitive dependencies. You can assume that the table does not contain repeating groups and that any invoice number may reference more than one product. (Hint: This table uses a composite primary key.)
II. Remove all partial dependencies, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created.
III. Remove all transitive dependencies, write the relational schema, and draw the new dependency diagrams. Also identify the normal forms for each table structure you created.
IV. Draw the Crow's Foot ERD.
Format your assignment according to the following formatting requirements:
o The answer should be typed, using Times New Roman font (size 12), double spaced, with one-inch margins on all sides.
o The response also includes a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.
o Also include a reference page. The Citations and references must follow APA format. The reference page is not included in the required page length.