Elk’s Lube ExpressJeremy MillerBrandon Rich

Roxana Berrondo

Contact Information

Phone: (281) 232-LUBE

Fax: (281) 233-LUBE

Email: elklubeexpress@yahoo.com

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

M1

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

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