Assume, a sales firm using an automated system in their work. They maintain a database of SalesOffice, Employee and their Properties. Without any normalization, all information is stored in one table as shown below. Normalize the form below to UNF, 1NF, 2NF and 3NF. Show primary keys and foreign keys of tables in 3NF.

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
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Assume, a sales firm using an automated system in their work. They maintain a database of SalesOffice, Employee and their Properties. Without any normalization, all information is stored in one table as shown below. Normalize the form below to UNF, 1NF, 2NF and 3NF. Show primary keys and foreign keys of tables in 3NF.                                                                                         

 

 

Sales Firm Form

SalesOffNo

Location

ContactNo

EmplCode

EmplName

Salary

Property-Id

PropertyArea

TotalSale

SaMus

Muscat

24897564

EmC1

Khalil

654

Pr02

2000

5234

 

 

 

EmC2

Sultan

985

Pr34

1250

4295

SaShr

Sohar

27564911

EmC3

Abdullah

852

Pr55

1700

11240

 

 

 

EmC4

Jumah

652

Pr66

850

34515

 

 

 

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