This chapter lists the steps involved in performing a repository merge during a development environment upgrade which are specific to DB2 for z/OS upgrades. You also have to perform the relevant tasks in the chapter in Siebel Database Upgrade Guide that describes how to perform the Siebel Repository merge. This chapter includes the following topics:

• About Backing Up the New Customer Repository or Database Schema
• About Reorganizing Tables Before the Repository Merge
• Performing a Siebel Repository Merge
• Regenerating the Siebel Repository Definition Files
• Creating a New Siebel Repository File