The software described in this documentation is either no longer supported or is in extended support.
Oracle recommends that you upgrade to a current supported release.
You must install an Oracle Database server and make this server available before you install Spacewalk.
The following Oracle Database releases are supported:
- Oracle Database 12c. - You can download the software from Oracle Technology Network (OTN) at https://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html. 
- Oracle Database 11gR2, release 11.2.0.3 or later. - To obtain the correct Oracle Database 11gR2 release, you must download the software from My Oracle Support (MOS) at https://support.oracle.com. 
Documentation for Oracle database is available at https://docs.oracle.com/en/database/database.html.

