CASE Tools

Overview

Computer-Aided Software Engineering

What is CASE?

Set of tools to aid in the systems development process

Generally include diagramming tools business rules data repository

Which one we will use?

Visible Analyst student edition Process Modeling (Data Flow Diagrams) Data Modeling (Entity-Relationship

Diagrams) Repository It has the ability to generate Access DDL

MIS Lab Every other machine has VA (8 groups) Only 2 projects can be created

How to start?What you will see and do:

Main VA screen as show in this image Create a project from File, New Project

this dialog will opengive a name and descriptionselect Gane & Sarson and leave other options as

they are

Create your first diagramSelect File, New Diagram and select the type you

want in the example Data FlowUse this part of the toolbar to draw, and File, Save to

save itYou can open your diagram by using File, Open

Diagram and selecting from a list like this one

Examples

A familiar one -- Print ShopThe VA tutorial project

data flow diagram of DMV you can also tile two diagrams by double or right clicking on an object

you can define it data model of the DMV system you can also define each data element

Class demonstration

We will see now a class demonstration of VA, very similar to what I have presented.