lOMoARcPSD|31998824
Amazon (normalisation)
Database systems (University of London)
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lOMoARcPSD|31998824
Amazon
Un-normalised data to 3NF
UNF
1NF
2NF
3NF
Order Number
Data Order Placed
Order Number
Date Order Placed
Customer Ref
Order Total
Dispatch Date
Item Quantity
Item Name
Item Author/ Artist
Customer Ref
Dispatch Date
Customer Name
Delivery Address
Delivery Option
P&P
Order Number
Date Order
Placed
Customer Ref
Dispatch Date
Customer Name
Delivery Address
Delivery Option
P&P
Item Cost
Seller ID
Customer Name
Delivery Address
Delivery Option
Items Subtotal
P&P
Total before VAT
VAT
Total Cost Delivery
Payment Method
Invoice Address
Total Cost Order
Total Before VAT
VAT
Payment Method
Invoice Address
Total Before VAT
VAT
Payment Method
Invoice Address.
Order Number
Date Order
placed
Dispatch Date
Delivery address
Delivery option
P&P
Total Before VAT
Payment
Method
*Customer ref
Item Name
Order Number
Item Quantity
Item Author/Artist
Seller ID
Item cost
Item Name
Author/Aritst
Relation Name and
Attributes
Customer Ref
Cust Name
Invoice Address
Item Name
Order Number
Item Quantity
*Seller ID
Item Name
Item
Author/Artist
Seller ID
Item cost
UNF
1NF
2NF
3NF
Applicant No
Applicant No
Applicant No
Applicant No
Downloaded by nin ha (haniinhusaini04@gmail.com)
lOMoARcPSD|31998824
First Name
Surname
Phone
Email
Address line 1
Address line 2
Address line 3
Post code
First name
surname
Email
Phone
Address 1
Address 2
Address 3
Postcode
First name
Surname
Email
Phone
Address 1
Address 2
Address 3
Postcode
First name
Surname
Email
Phone
Address 1
Address 2
Address 3
Postcode
Skill Code
Skill Description
Applicant No
*Applicant No
Skill code
Skill Description
Skill level
Job ref
Interview date
Comp No
Comp name
Company website
Company phone
number
Skill code
Skill Description
Skill level
*Applicant No (applicant
skill)
Skill code
Skill Description
Skill level
*Applicant No
Interview Date
Job ref
Applicant No*
Interview Date
Job ref
Company website
Company No. (company)
Skill level
Job ref
Job title
Interview date
Comp No
Comp name
Company website
Company phone
number
Company website
Company phone number
Job ref
Job title
*Comp No
Applicant No
Skill code*
Downloaded by nin ha (haniinhusaini04@gmail.com)