Upgrade Guide for DB2 UDB for z/OS and OS/390 > Basic Database Preparations >
Backing Up the Database
Upgrades: All upgrades. Environments: Development environment only. Perform a full backup of the database, using the utilities specific to your database platform. This backup protects your repositories and environment. It is a recommended practice that you back up your database at key stages of the upgrade:
- Before any upgrade activity is started
- After upgrading the Siebel Database Schema or Custom Database Schema (
upgrep+upgphys )
- After the repository merge
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