Use the ER Diagram shown on Figure 2 to anewer questions 6 and 7: 6. According to the ER diagram on Figure 2, which of the following is true? A) Year Enrolled is a derived attribute. B) STUDENT entity has multiple unique attributes. C) StudEmail is an optional attribute. D) None of the above. Answer: 7. According to the ER diagram on Figure 2, which of the following is true? A) A student must attend a college but can only attend a single college. B) Each college must have multiple students attending it. C) NumOfStudents is a composite attribute. D) None of the above. Answer: StudiD CollD StudName STUDENT Attends COLLEGE ColName StudEmail YearEnrolled (0 NumOIStuder

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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Use the ER Diagram shown on Figure 2 to anewer questions 6 and 7:
6. According to the ER diagram on Figure 2, which of the following is true?
A) YearEnrolled is a derived attribute.
B) STUDENT entity has multiple unique attributes.
C) StudEmail is an optional attribute.
D) None of the above.
Answer:
7. According to the ER diagram on Figure 2, which of the following is true?
A) A student must attend a college but can only attend a single college.
B) Each college must have multiple students attending it.
C) NumOfStudents is a composite attribute.
D) None of the above.
Answer:
StudiD
CollD
StudName
STUDENT
Allends
COLLEGE
ColName
StudEmail
***
YearEnrolled (0)
NumOIStudents
Transcribed Image Text:Use the ER Diagram shown on Figure 2 to anewer questions 6 and 7: 6. According to the ER diagram on Figure 2, which of the following is true? A) YearEnrolled is a derived attribute. B) STUDENT entity has multiple unique attributes. C) StudEmail is an optional attribute. D) None of the above. Answer: 7. According to the ER diagram on Figure 2, which of the following is true? A) A student must attend a college but can only attend a single college. B) Each college must have multiple students attending it. C) NumOfStudents is a composite attribute. D) None of the above. Answer: StudiD CollD StudName STUDENT Allends COLLEGE ColName StudEmail *** YearEnrolled (0) NumOIStudents
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