Siebel Database Upgrade Guide for DB2 UDB for z/OS > How to Perform a Siebel Database Upgrade > Roadmap for Performing a Siebel Database Upgrade >

Roadmap for Upgrading to Siebel 8.0 Without a Development Environment

If you are upgrading and do not have a development environment, complete the processes in this roadmap in the order shown.

Upgrading without a development environment means the following are true:

• You are running an uncustomized, out-of-the-box version of Siebel applications.
• You have not used Siebel Tools to create or modify any objects or logical schema definitions in the Siebel Repository.
• You have not modified the physical schema in the Siebel database.

If your upgrade meets these criteria, complete the following processes in the order shown:

1. Process of Planning a Siebel Database Upgrade.
2. Preparing for a No-Development-Environment Siebel Upgrade.
3. Perform a production test upgrade. See Process of Upgrading a Production Test Environment.
4. Process of Tuning the Upgrade Performance.
5. Upgrade your production environment. See Process of Upgrading a Siebel Production Environment.