.Create draw a Er diagram for any organization such as a company,hospital,bank or anything else the idea should be different and should not be plagiarized a sample er diagram to give idea is attached
.Create draw a Er diagram for any organization such as a company,hospital,bank or anything else the idea should be different and should not be plagiarized a sample er diagram to give idea is attached
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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Q.Create draw a Er diagram for any organization such as a company,hospital,bank or anything else the idea should be different and should not be plagiarized a sample er diagram to give idea is attached
![Alternative Notations for ER Diagrams
• There are many alternative diagrammatic notations for displaying ER
diagrams.
we introduce the Unified Modeling Language (UML) notation for class
diagrams, which has been proposed as a standard for conceptual object
modeling.
Figure 7.15
ER diagrams for the company schema, with structural con-
straints specified using (min, max) notation and role names.
Fname
Minit
Lname
Bdate
Name
Address
Salary
Ssn
Sex
Locations
WORKS_FOR
(4,N)
(1,1)
Employee
Number
Name
Department
Start_date Number_of_employees
EMPLOYEE
DEPARTMENT
Department
Managed
(0,1)
Manager
(0,N) Controlling
Department
(1,1)
MANAGES
CONTROLS
Hours
(1,N)
Worker
Controlled
(0,N)
Supervisor
(0,1)
Supervisee
(1,1) Project
Project
(1,N)
WORKS_ON
PROJECT
SUPERVISION
(0,N)
Employee
Name
Location
Number
DEPENDENTS_OF
(1,1) || Dependent
DEPEND ENT
Name
Sex
Birth_date
Relationship](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F095ef37d-a4cc-4b2b-9b9f-13ddffdfc50a%2F5abf5bf6-8b28-48af-a048-6093898ce644%2Fp0d6r1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Alternative Notations for ER Diagrams
• There are many alternative diagrammatic notations for displaying ER
diagrams.
we introduce the Unified Modeling Language (UML) notation for class
diagrams, which has been proposed as a standard for conceptual object
modeling.
Figure 7.15
ER diagrams for the company schema, with structural con-
straints specified using (min, max) notation and role names.
Fname
Minit
Lname
Bdate
Name
Address
Salary
Ssn
Sex
Locations
WORKS_FOR
(4,N)
(1,1)
Employee
Number
Name
Department
Start_date Number_of_employees
EMPLOYEE
DEPARTMENT
Department
Managed
(0,1)
Manager
(0,N) Controlling
Department
(1,1)
MANAGES
CONTROLS
Hours
(1,N)
Worker
Controlled
(0,N)
Supervisor
(0,1)
Supervisee
(1,1) Project
Project
(1,N)
WORKS_ON
PROJECT
SUPERVISION
(0,N)
Employee
Name
Location
Number
DEPENDENTS_OF
(1,1) || Dependent
DEPEND ENT
Name
Sex
Birth_date
Relationship
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