The multiple choice answers are: - One and only one - one or many - zero or one - zero or many.
The multiple choice answers are: - One and only one - one or many - zero or one - zero or many.
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
Related questions
Question
The multiple choice answers are:
- One and only one
- one or many
- zero or one
- zero or many.
![Answer the following questions based on this SAMPLE ERD:
SAMPLE
ERD
SSN
Student ID
Has
Has
Class (Has) Classroom
Student (Has) SSN
University (Employs) Instructor
Instructor (Teaches) Class
Classroom (Has) Chair
Student (Attends) Class
Student (Has) Student ID
Student
Uses
Classroom (Has) Class
Chair
Envolls
Attends
What is the relationship cardinality between these entities?
Has
[Choose]
[Choose ]
[Choose]
[Choose ]
[Choose]
[Choose ]
[Choose ]
University
[Choose ]
HK
Class
Has
DO TH
Classroom
Employs
Teaches
>
>
<
Instructor](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F489ff206-0e17-43e9-aa89-f3ed1117ecb2%2Fb485c167-2024-4777-af71-ba066d5f4cc1%2F3551ouv_processed.png&w=3840&q=75)
Transcribed Image Text:Answer the following questions based on this SAMPLE ERD:
SAMPLE
ERD
SSN
Student ID
Has
Has
Class (Has) Classroom
Student (Has) SSN
University (Employs) Instructor
Instructor (Teaches) Class
Classroom (Has) Chair
Student (Attends) Class
Student (Has) Student ID
Student
Uses
Classroom (Has) Class
Chair
Envolls
Attends
What is the relationship cardinality between these entities?
Has
[Choose]
[Choose ]
[Choose]
[Choose ]
[Choose]
[Choose ]
[Choose ]
University
[Choose ]
HK
Class
Has
DO TH
Classroom
Employs
Teaches
>
>
<
Instructor
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