Identify the function dependencies represented by the attributes shown in the table. State any assumptions you make about the data and the attributes shown in the table.           Describe and illustrate the process of normalizing the table below to 3NF. Identify your necessary keys.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. An agency called AITMIT supplies part-time/temporary IT staff to hotels in Ghana. The table shown below displays sample data, which lists the time spent by agency staff working at various hotels. The National Identification Number (NIN) is unique for every member of staff.

 

  1. Identify the function dependencies represented by the attributes shown in the table. State any assumptions you make about the data and the attributes shown in the table.

 

     

 

  1. Describe and illustrate the process of normalizing the table below to 3NF. Identify your necessary keys.

    

 

NIN

contractNo

hours

eName

hNo

hLoc

1135

C1024

16

Enyonam  Sweet

H25

Cape Coast

1057

C1024

24

Gyamfi  George

H25

Cape Coast

1068

C1025

28

Mame Konadu

H4

Kumasi

1135

C1025

15

Enyonam Sweet

H4

Kumasi

 

                                                                                                                       

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