Consider the below ERD in Figure 03 of Student Enrolment system and answer the below questions. List the strong (non-weak) entity types in the ER diagram. Is there a weak entity type? If so, give its name, partial key, and identifying relationship.
Consider the below ERD in Figure 03 of Student Enrolment system and answer the below questions. List the strong (non-weak) entity types in the ER diagram. Is there a weak entity type? If so, give its name, partial key, and identifying relationship.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the below ERD in Figure 03 of Student Enrolment system and answer the below questions.
- List the strong (non-weak) entity types in the ER diagram.
- Is there a weak entity type? If so, give its name, partial key, and identifying relationship.
- What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram?
- List the names of all relationship types, and specify the (min, max) constraint on the participation of an entity type in a relationship type. Justify your choices.
List concisely the user requirements that led to this ER schema design

Transcribed Image Text:Fname
Date of
Student N
Lname
Enrollment
um
NID
Student
Enrolls
Enroliment
Course na
me
Address
Bdate
Time
CCN
Lecture
Date
subject
Lecturer n
ame
Lectuere_ID
Subject co
de
L LastName
L FirstName
Subject_Unit
Lecturer
Lectures
subjects
subject U
dse
L_email
LAddress
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