Upgrading from Version 9.0.1 or 9.1.0 for Oracle

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Step 1. Install and Configure Oracle

You can install and configure Oracle Database according to the instructions in the Oracle documentation.

The following table describes the Oracle installation and configuration tasks:

Tasks	Description
Install Oracle	Install the supported version of Oracle Database. If you want to use the Oracle multitenant feature, set up a pluggable database (PDB) for the MDM Hub installation.
Install clients and utilities	Install the Oracle client and utilities software to communicate with the MDM Hub, and to run the MDM Hub processes. On each machine where you want to run the Hub Server or Process Server, install the following software: Oracle client SQL*Loader
Disable recycle bins	Disable the recycle bins, USER_RECYCLEBIN and DBA_RECYCLEBIN. Recycle bins can interfere with the MDM Hub processes. Disable the recycle bins at the system or session level. Also, purge existing objects in the recycle bin.
Set initialization parameters	Configure the Oracle initialization parameters in the init.ora file. For information about Oracle initialization parameters, see the MDM Multidomain Edition Performance Tuning Guide .

For information about installing and configuring Oracle, see the Oracle documentation.