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Siebel Database Upgrade Guide for DB2 for z/OS > How the Siebel Database Upgrade Works > About Siebel Upgrade EnvironmentsEnvironments: All environments. This guide describes how to upgrade three database environments: Detailed information on each database environment is provided in the remainder of this topic. For an overview of the steps involved in upgrading each database environment, see the chapter in Siebel Database Upgrade Guide that provides an overview of the upgrade process. Development EnvironmentThe development environment is where developers use Siebel Tools to customize Siebel Business Applications. The development environment upgrade merges these customizations with the new Siebel release. The merged repository and schema definitions become inputs to the production upgrade. A development environment contains the following elements:
Production Test EnvironmentThe production test environment is where you test the upgraded release to validate its function and performance before deploying it to users. This is also where you tune the upgrade process to minimize the time required to perform your production upgrade. By tuning the production upgrade scripts in a test environment, you can significantly reduce the time required to complete the production upgrade. For this reason, the production test environment database must contain the same data volume and topography as your production database. This environment includes the following elements:
You perform the following processes in the production test environment:
Tuning the upgrade scripts can significantly reduce the time required to complete the production upgrade. Production EnvironmentThe production environment is your live business environment, where your internal and external users interact with applications and generate actual business data. The production environment includes all your Siebel Enterprise Servers worldwide. The upgrade process assumes all production environment databases are completely separate from the development environment and production test environment databases. Oracle provides these tools to help you transition from production test to production:
Mapping Your EnvironmentsYou might have more or fewer environments than those described above. Table 4 gives recommendations for mapping your environments to the ones described in this guide. |
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