4 Removing Oracle Software

4.1 Removing an Oracle Database

To completely remove Oracle Database 10g for z/OS software, you must remove any installed databases. To remove an Oracle Database, do the following:

• Delete the VSAM data sets under the high-level qualifier for the database

• Delete the Oracle executable PDSE files that were created during the installation, for example, AUTHLOAD and CMDLOAD files

• Delete the subsystem modules that were placed into any linklist libraries.

• Remove any JCL procedures that were created for the Oracle services and placed in your PROCLIB library.

4.2 Removing Oracle Software

The following steps describe how to use Oracle Universal Installer to remove Oracle software:

1. Start Oracle Universal Installer as follows:

   $ $ORACLE_HOME/oui/bin/runInstaller
   
   

2. In the Welcome window, click Deinstall Products.

   The Inventory window appears, listing all of the Oracle homes on the system and the products installed in each Oracle home.

3. In the Inventory window, select the Oracle home and the products that you want to remove.

   Note:

   If you choose to remove Oracle JVM, Oracle Universal Installer removes all installed products that depend on Oracle JVM, including Oracle Database 10g.

4. Click Remove.

   Oracle Universal Installer displays a confirmation window asking you to confirm that you want to deinstall the products and their dependant components.

5. Click Yes.

   Oracle Universal Installer displays a progress indicator as it removes the software.

6. Exit Oracle Universal Installer.

7. After using Oracle Universal Installer to remove Oracle software, you must remove the PDSE files that were created during the installation process. This must be done manually.