Oracle7 Server Application Developer's Guide

Maintaining and Updating an Application

If you are upgrading an existing application, or writing a new application to run on an existing database, you must follow many of the same procedures described earlier in this section. You must identify and understand the needs of your audience and design your application to accommodate them.

You must also work closely with the database administrator to determine

what existing applications are available and how they are being used

what data is available, if any can be eliminated, or if any additional data must be collected

if any modifications must be made to the database structure, and how to make these changes in the least disruptive manner