Flow of the Upgrade Within an Environment
The basic flow of the upgrade process is shown in the following
image, and includes the following steps: 
- Install Siebel software. 
- Upgrade 3rd party software. 
- Upgrade RDBMS. 
 
- Perform Upgrade Tasks (Development Environment), Perform Upgrade Tasks (Production Test Environment)Perform Upgrade Tasks (Production Environment) - Prepare application data. 
- Upgrade database (upgrep) 
- Upgrade repository and import seed data. 
- Prepare for repository merge. 
- Merge repository. 
- Run post-merge utilities. 
- Upgrade custom database schema (upgphys) 
 
- Set up environment. 
- Application administration tasks. 
- Application configuration tasks. 
- Test the system. 
 
Note: In production test environment and production environment upgrades,
the upgrep + upgphys steps are run together and there are several
additional deployment steps.
