Elk’s Lube Express Elk’s Lube Express Jeremy Miller Brandon Rich Roxana Berrondo

Contact Information Phone: (281) 232-LUBE Fax: (281) 233-LUBE

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

Entities and Attributes CustomerOrderServicesInvoicesPayments Customer IDOrder ID Service IDInvoice IDPayment ID LastName Customer ID Oil ChangeAmounted Billed Amount Paid FirstName Service ID Tire Rotation Date BilledDate Paid Address Car Type Tire Balance CityDateTire Combo Telephone Number Oil, Tire Combo

Logical Design Order Customer Payment Invoice Services Makes Is made Is made on Requires 1 M M

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)

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