Draw a class standard ERD for each problem indicating each field, the primary key and any foreign keys for each table. Be sure to show the relationships and the cardinalities.

1. The following fields came up during a discussion with the User:

Requester Last Name, Requester ID, Requester Department, Order number, Order Date, Line Item Number, Item ID, Item Description, Quantity Ordered, Department Name, Department Number, Graduate Assistant ID, Graduate Assistant Last Name

A department has many requestors and a requester can put in many orders. An order has several line items. Each requestor has just one Graduate Assistant.

2. A computer has one and only one Image. An Image can be loaded on many computers. An Image consists of several software programs. Many software programs make up an image. A computer is assigned to only one person but a person can have more than one computer assigned to her. The person is assigned to only one business unit which is made up of many people. Each business unit has only one site but a site may contain many business units.

3. A repair garage has many customers each of whom may own more than one vehicle. A repair order is assigned to just one mechanic who may make many repairs on the vehicle. The customer is presented with just one bill for the repair order

Submit: paper for all ERDs. The ERD must conform to the class standard.