Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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i want you to draw a er model
dont give me this draws all tutors answred by it :(
i want new one
only photos
Transcribed Image Text:Carsharer
id
first name
last_name
home addr
dob
takes
journey
sart_addr
dest_addr
buys
L
Insurance
policy_number
primium
start_date
first name
sharer_id
urney id
last name
CarSharer
takes
Journey
start address
home_address
date of birth
dest_address
has
policy number
premium
옴
Insurance
start date
Transcribed Image Text:Draw an ER diagram for the following car sharing system:
In the car sharing system, a CarMatch application has record of anyone who would like
to share his/her car, known as a CarSharer. An Administrator registers all the potential
CarSharers and with their first name, last name, home address, and date of birth. Each
CarSharer is also assigned a unique id. A CarSharer can take policies issued by the
Insurance Company. Each policy has a number, premium, and a start date. A CarSharer
needs to know the start and destination address of each Journey.
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