Consider the following Employees relation Employee ID First Name Surname Department Hire date Salary 1 Sam Shokongo Marketing 15 Sept 2005 N$25 000 2 Ellouise Iipinge Shipping 23 April 2006 N$35 000 3 Geoffrey #Eixas Acquisitions 12 March 2004 N$15 000 4 Sam Beukes Operations 2 Dec 2001 N$55 000 5 Issy Shikongo Shipping 2 Dec 2001 N$35 000 i. List all the attributes of this table. ii. Based on the Employees relation, what would you select as the primary key and briefly discuss why? iii. What datatypes would you choose for each of the columns? iv. State the advantages of using such a data model
Consider the following Employees relation Employee ID First Name Surname Department Hire date Salary 1 Sam Shokongo Marketing 15 Sept 2005 N$25 000 2 Ellouise Iipinge Shipping 23 April 2006 N$35 000 3 Geoffrey #Eixas Acquisitions 12 March 2004 N$15 000 4 Sam Beukes Operations 2 Dec 2001 N$55 000 5 Issy Shikongo Shipping 2 Dec 2001 N$35 000 i. List all the attributes of this table. ii. Based on the Employees relation, what would you select as the primary key and briefly discuss why? iii. What datatypes would you choose for each of the columns? iv. State the advantages of using such a data model
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
Problem 1PE
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Question
Consider the following Employees relation
Employee
ID
First
Name
Surname Department Hire
date
Salary
1 Sam Shokongo Marketing 15 Sept
2005
N$25 000
2 Ellouise Iipinge Shipping 23 April
2006
N$35 000
3 Geoffrey #Eixas Acquisitions 12
March
2004
N$15 000
4 Sam Beukes Operations 2 Dec
2001
N$55 000
5 Issy Shikongo Shipping 2 Dec
2001
N$35 000
i. List all the attributes of this table.
ii. Based on the Employees relation, what would you select as the primary key and
briefly discuss why?
iii. What datatypes would you choose for each of the columns?
iv. State the advantages of using such a data model
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