Example ER diagram

Model
© 2014 Zvi M. Kedem
Year
Automobile
Type
Name
Horse
1..1
VIN
Weight
Car
Child
Date
Has
ID#
2..*
GPA
Student
Took
SS#
ISA
Person
3..50
Section
FN
LN
C#
DOB
First
1..*
Monitors
0..1
Offered
Name
1..1
Taught
Professor
Salary
Our ER Diagram
Likes
0..1
Color
Grade
MaxSize
Sec#
Year
Semester
Title
Age
Book
Author
Description
Second
Required
Prereq
Course
Title
125