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Elk’s Lube ExpressJeremy MillerBrandon Rich
Roxana Berrondo
Business Background Located in South Houston, Texas Have been providing superior car care for
over 10 years Services offered
Oil change Lube Tire rotation Inspections /emissions
Business Needs
Need an information system to:
Keep track of customer information to inform special offers and services
Have accurate count of inventory Monitor sales and purchases
Requirements Implement a computerized system to record
customer information, transactions, and inventory
Track progress of employees
Advertise all services offered through business invoices
Additional advertising would inform customers about all of the services we offer which would result in increased sales
Business Value
• Reduce overall hours for time consuming manual record keeping • Employ computerized business system that will reduce all expenses due to inconsistent planning and accounting.
• Generate more revenue with less down time, through tracking of peak operating times
Special Issues and Constraints Our computerized system must be user friendly and
reliable
Special offers should be shown on invoices
Incurred expenses with the development of the new information system
Focus on peak operating times
Entities
CUSTOMER
ORDER
SERVICES
INVOICES
PAYMENTS
Entities and AttributesCustomer Order Services Invoices Payments
Customer ID Order ID Service ID Invoice ID Payment ID
LastName Customer ID Oil Change Amounted Billed
Amount Paid
FirstName Service ID Tire Rotation
Date Billed Date Paid
Address Car Type Tire Balance
City Date Tire Combo
Telephone Number
Oil, Tire Combo
Logical Design
OrderCustomer
PaymentInvoice
Services
Makes
Is made
Is made
on
Requires
1 M
M
1
1
1 1 1
Physical Design •Customer ( Customer ID,LastName, FirstName, Address, City, Telephone)
•Order ( Order ID, Customer ID, Service ID, Car Type, Date )
•Service ( Service ID, Order ID, Service Type, Cost)
•Invoices( Invoice ID, Order ID, Amount Billed, Date Billed)
•Payments (Payment ID, Invoice ID, Amount Paid, Date Paid)
Relationships
Report #1
Report #2
Form #1
Form #2
Query #1
Query #2
Tables and forms Switchboard
???Questions???
