normalization

Oracle 12c: SQL
3rd Edition
ISBN:9781305251038
Author:Joan Casteel
Publisher:Joan Casteel
Chapter7: User Creation And Management
Section: Chapter Questions
Problem 8HOA
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Apply the normalization rules to the following Form, which show the data to be recorded in a
database. All intermediate steps (UNF, INF, 2NF, and 3NF) should be shown in detail. State
any assumptions that you make.

Please complete the following FOUR (4) parts:
i) Based on Figure 2, write down the unnormalized form.

ii) Identify the repeating group of attributes and transform part (i) into tables that are in 1st normal form. (Explain the rationale for your decision).

iii) Identify any partial dependencies in part (ii) and transform into tables that are in 2nd Normal Form. (Explain the rationale for your decision). 

iv) Identify any transitive dependencies in part (iii) and transform into tables that are in
3rd Normal Form. (Explain the rationale for your decision).

Order Form
Order number:
1234
Date:
11/04/98
Customer number: 9876
Customer name:
Billy
Customer address: 456 HighTower Street
City-Country:
Hong Kong, China
ProductNo
Desscription
Quantity
Unit Price
A123
Pencil
100
$3.00
B234
Eraser
200
$1.50
C345
Sharpener
$8.00
Transcribed Image Text:Order Form Order number: 1234 Date: 11/04/98 Customer number: 9876 Customer name: Billy Customer address: 456 HighTower Street City-Country: Hong Kong, China ProductNo Desscription Quantity Unit Price A123 Pencil 100 $3.00 B234 Eraser 200 $1.50 C345 Sharpener $8.00
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