DOL operates 1:M DEPARTMENT RTMENT has 1:M STUDENT RTMENT employs 1:M PROFESSOR RTMENT offers 1:M COURSE RSE generates 1:M CLASS ESTER includes 1:M CLASS FESSOR is dean of 1:1 SCHOOL FESSOR chairs 1:1 DEPARTMENT FESSOR teaches 1:M CLASS FESSOR advises 1:M STUDENT DENT DING enrolls in M:N CLASS contains 1:M ROOM is used for 1:M CLASS Note: ENROLL is the composite entity that implements the MN relationshin "STUDENT enrolls in CLASS "
DOL operates 1:M DEPARTMENT RTMENT has 1:M STUDENT RTMENT employs 1:M PROFESSOR RTMENT offers 1:M COURSE RSE generates 1:M CLASS ESTER includes 1:M CLASS FESSOR is dean of 1:1 SCHOOL FESSOR chairs 1:1 DEPARTMENT FESSOR teaches 1:M CLASS FESSOR advises 1:M STUDENT DENT DING enrolls in M:N CLASS contains 1:M ROOM is used for 1:M CLASS Note: ENROLL is the composite entity that implements the MN relationshin "STUDENT enrolls in CLASS "
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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Write business rules for the following table to create ER diagram. Just business rules.
![Table 4.4
Components of the ERM
Entity
Relationship
Connectivity Entity
SCHOOL
operates
1:M
DEPARTMENT
DEPARTMENT
has
1:M
STUDENT
DEPARTMENT
employs
1:M
PROFESSOR
DEPARTMENT
offers
1:M
COURSE
COURSE
generates
1:M
CLASS
SEMESTER
includes
1:M
CLASS
PROFESSOR
is dean of
1:1
SCHOOL
PROFESSOR
chairs
1:1
DEPARTMENT
PROFESSOR
teaches
1:M
CLASS
PROFESSOR
advises
1:M
STUDENT
STUDENT
enrolls in
M:N
CLASS
BUILDING
contains
1:M
ROOM
ROOM
is used for
1:M
CLASS
Note: ENROLL is the composite entity that implements the
M:N relationship "STUDENT enrolls in CLASS."](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c772d07-5b66-4f0d-83c9-d95c5527f7a6%2F370f969c-76ab-4bf8-8f58-0028ae4d5a57%2F3nbtkqm_processed.png&w=3840&q=75)
Transcribed Image Text:Table 4.4
Components of the ERM
Entity
Relationship
Connectivity Entity
SCHOOL
operates
1:M
DEPARTMENT
DEPARTMENT
has
1:M
STUDENT
DEPARTMENT
employs
1:M
PROFESSOR
DEPARTMENT
offers
1:M
COURSE
COURSE
generates
1:M
CLASS
SEMESTER
includes
1:M
CLASS
PROFESSOR
is dean of
1:1
SCHOOL
PROFESSOR
chairs
1:1
DEPARTMENT
PROFESSOR
teaches
1:M
CLASS
PROFESSOR
advises
1:M
STUDENT
STUDENT
enrolls in
M:N
CLASS
BUILDING
contains
1:M
ROOM
ROOM
is used for
1:M
CLASS
Note: ENROLL is the composite entity that implements the
M:N relationship "STUDENT enrolls in CLASS."
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