Create an E-R model for the following scenario.Show entity names, primary keys, attributes for each entity, relationships between the entities andcardinality.Lonestar Car Dealer is a leading car dealership in US. The dealership sells both new and used cars,and it has a service facility as well. There are a couple of requirements that the database must meet.Those are as follows.Each car is sold by a salesperson. One car sale has only one salesperson. But one salesperson maysell many cars.Customers buy one or many cars. But single sale can have only one customer (No multiplecustomers for a given car sale).The salesperson writes one invoice for each car he/she sells. Customer is issued this invoice.A customer may be just a service center customer and does not need to be a car buyer.One service ticket per each car is issued when it is reached to the service center.The car a service history is maintained for each of the cars serviced. Car has a unique serial number.One or more mechanics can work on a car that was brought in for service. One mechanic can workon many cars.A service ticket may need parts but not all services need parts.

According to the information given:- We have to follow the mentioned scenario in order to make the…

Answered: Create an E-R model for the following…

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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create an ER table
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Indicate the changes (using the shorthand representation) that you would need to make to the original KimTay Pet Supplies database design to support the following requirements. There is no relationship between customers and sales reps. When a customer places an order, any sales rep can process the order and create the invoice. On the invoice, you need to identify both the customer placing the order and the sales rep responsible for the invoice. Draw an E-R diagram for the new design.
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Don't copy again and again that is wrong. Please help me with this question.

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