Create a simple ERD for a car dealership. Convert the diagram to a PDF file. The dealership sells both new and used cars, and it
operates a service facility. Base your design on the followirg business rules: A salesperson may sell many cars, but each car is sold by only Acustomer may buy many cars, but each car is bought by only A salesperson writes a single invoice for each car he or she sells A customer gets an invoice for each car he or she buys. Acustomer may come in just to have his or her car serviced; that is, a customer need not buy a car to one salesperson one customer. be classified as a customer. When a customer takes one or more cars in for repair or service, one service ticket is written for each . car. The car dealership maintains a service history for each of the cars serviced. The service records are referenced by the car's serial number. Acar brought in for service can be worked on by many mechanics, and each mechanic may work on many cars. Acar that is serviced may or may not need parts
<span>Public places where you can wirelessly
connect to the internet are known as Wi-Fi hotspots. Common Wi-Fi hotspot locations
(where wireless internet connection is offered) include such places as cafes,
hotels, airports, and libraries. These businesses usually create hotspots for
the use of their customers.</span>
The SOA stands for "Service-Oriented Architecture", which is primarily known as a service set and these services enable you to communicate with each other. In the communication, it may require simple data to transfer to two or more services, which can be organized by those operations, and other options were incorrect, that can be explained as follows:
In option a, It is a business software, which is used to organized data, that's why it is wrong.
Option b and Option d both are wrong because the mashup process is used only on web services, which is not a part of SOA , that's why it is wrong.