The business rules for this problem are: . A person has at most one driver's license. . A person may not have a driver's license. • A driver's license is for one person only. . A driver's license is for at least one person. Based on this information, what crows foot symbols should be placed at positions 1 and 2 in the initial ERD below.

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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PERSON
PERSON
04
LICENSE
LICENSE
Transcribed Image Text:PERSON PERSON 04 LICENSE LICENSE
The business rules for this problem are:
• A person has at most one driver's license.
• A person may not have a driver's license.
.
• A driver's license is for one person only.
. A driver's license is for at least one person.
Based on this information, what crows foot symbols should be placed at positions 1 and 2 in the
initial ERD below.
O
PERSON
PERSON
PERSON
PERSON
PERSON
K
LICENSE
LICENSE
LICENSE
LICENSE
Q5
LICENSE
Transcribed Image Text:The business rules for this problem are: • A person has at most one driver's license. • A person may not have a driver's license. . • A driver's license is for one person only. . A driver's license is for at least one person. Based on this information, what crows foot symbols should be placed at positions 1 and 2 in the initial ERD below. O PERSON PERSON PERSON PERSON PERSON K LICENSE LICENSE LICENSE LICENSE Q5 LICENSE
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