3.How would you implement a 1:M relationship in a database composed of two tables? Give an example.

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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3.How would you implement a 1:M relationship in a database composed of two tables? Give an example.

 

4.Identify and describe the components of the table shown in Figure Q3.17, using correct terminology. Use your knowledge of naming conventions to identify the table’s probable foreign key(s)

FIGURE
Q3.17
The Ch03_NoComp database EMPLOYEE table
Table name: EMPLOYEE
EMP_NUM EMP_LNAME EMP_INITIAL EMP_FNAME
11234 Friedman
11238 Olanski
11241 Fontein
11242 Cruazona
J
11245 Smithson
8
11248 Washington G
11256 McBride
11257 Kachinn
11258 Smith
11260 Ratula
K
D
D
W
A
Robert
Delbert
Juliette
Maria
Bernard
Oleta
Randall
Melanie
William
Katrina
Database name: Ch03_NoComp
DEPT_CODE JOB_CODE
MKTG
MKTG
INFS
ENG
INFS
ENGR
ENGR
MKTG
MKTG
INFS
12
12
5
9
6
8
8
14
14
5
Transcribed Image Text:FIGURE Q3.17 The Ch03_NoComp database EMPLOYEE table Table name: EMPLOYEE EMP_NUM EMP_LNAME EMP_INITIAL EMP_FNAME 11234 Friedman 11238 Olanski 11241 Fontein 11242 Cruazona J 11245 Smithson 8 11248 Washington G 11256 McBride 11257 Kachinn 11258 Smith 11260 Ratula K D D W A Robert Delbert Juliette Maria Bernard Oleta Randall Melanie William Katrina Database name: Ch03_NoComp DEPT_CODE JOB_CODE MKTG MKTG INFS ENG INFS ENGR ENGR MKTG MKTG INFS 12 12 5 9 6 8 8 14 14 5
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