Lab 2 – EERD
Based on the following information, draw an EER diagram. Please indicate any assumptions that you have made in your diagrams!
After an initial meeting with Wally, you have developed a list of business rules and specification to begin the design of an the ER Model.
· Customers place orders through a dealership. Wally has three dealership locations (Cambridge, Kitchener and London), and may add more in the future
· Wally would like to track the following about customers:
Name, Address, City, Province, Postal Code, Telephone, Date of Birth, Email
· A customer may place many orders
· A customer does not always have to order through the same dealer all the time
· A dealership may have many customers
· Orders are composed of one or more vehicles from inventory
· The following information about each order needs to be recorded:
Order Date, Final Sale Price, Credit Authorization Status
· We wish to record the following about each vehicle:
Vehicle Identification Number (VIN), Make, Model, Year, Colour, Km’s, Photo, Purchase Price, Sticker Price
· Wally obtains vehicles from a range of suppliers, including auctions, bank foreclosures, other dealerships, and private sellers
· Wally employs fifty-six employees
· He would like to track the following information about employees:
Name, Address (Street, City, Province, Postal Code), Telephone, Date of Hire, Title, Salary, Age
· If the employee’s role is that of a mechanic, we should track their Certification Number
· If the employee’s role is that of a salesperson, we should track their commission and total Vehicles Sold
· If the employee’s role is that of a manager, we should track which employees they manage
· Each employee works in one and only one dealership
· Each employee may have one or more dependents.
We wish to record the name of the dependent as well as the age and relationship
Thank you for choosing Wally’s World of Wheels at
Guelph Auto Mall for your quality used vehicle!
Sales Rep: #3265 Peter Green
Processed By: 5487
Invoice Number: 123654
Date: On Sept. 20, 2017
Customer: John Smith!
22 Front St W
Kitchner, ON, N2A4G8
2013 Toyota Camry, White
VIN: 27764534RTB KMS: 211023
Purchase Price: $15,260.00
Trade In: $ 0.00
Subtotal = $ 15,260.00
HST (13%) = $ 1,983.80
Sale Total = $ 17,243.80
Why Choose Us
We value our clients. For this reason, we ensure that each paper is written carefully as per the instructions provided by the client. Our editing team also checks all the papers to ensure that they have been completed as per the expectations.
Professional Academic Writers
Over the years, our Acme Homework has managed to secure the most qualified, reliable and experienced team of writers. The company has also ensured continued training and development of the team members to ensure that it keep up with the rising Academic Trends.
Our prices are fairly priced in such a way that ensures affordability. Additionally, you can get a free price quotation by clicking on the "Place Order" button.
We pay strict attention on deadlines. For this reason, we ensure that all papers are submitted earlier, even before the deadline indicated by the customer. For this reason, the client can go through the work and review everything.
At Buy An Essay, all papers are plagiarism-free as they are written from scratch. We have taken strict measures to ensure that there is no similarity on all papers and that citations are included as per the standards set.
Customer Support 24/7
Our support team is readily available to provide any guidance/help on our platform at any time of the day/night. Feel free to contact us via the Chat window or support email: firstname.lastname@example.org.
Try it now!
How it works?
Follow these simple steps to get your paper done
Place your order
Fill in the order form and provide all details of your assignment.
Proceed with the payment
Choose the payment system that suits you most.
Receive the final file
Once your paper is ready, we will email it to you.
Buy An Essay has stood as the world’s leading custom essay writing services providers. Once you enter all the details in the order form under the place order button, the rest is up to us.
At Buy An Essay, we prioritize on all aspects that bring about a good grade such as impeccable grammar, proper structure, zero-plagiarism and conformance to guidelines. Our experienced team of writers will help you completed your essays and other assignments.
Admission and Business Papers
Be assured that you’ll definitely get accepted to the Master’s level program at any university once you enter all the details in the order form. We won’t leave you here; we will also help you secure a good position in your aspired workplace by creating an outstanding resume or portfolio once you place an order.
Editing and Proofreading
Our skilled editing and writing team will help you restructure you paper, paraphrase, correct grammar and replace plagiarized sections on your paper just on time. The service is geared toward eliminating any mistakes and rather enhancing better quality.
We have writers in almost all fields including the most technical fields. You don’t have to worry about the complexity of your paper. Simply enter as much details as possible in the place order section.