====== Oracle Database 12c Release 2 ======
  * [[https://docs.oracle.com/en/database/oracle/oracle-database/12.2/index.html|Documentation index]]
  * [[https://docs.oracle.com/en/database/oracle/oracle-database/12.2/ladbn/index.html#GUID-A5928404-5D88-4D4B-8F74-660DC807A316|Release notes]]
  * [[https://docs.oracle.com/en/database/oracle/oracle-database/12.2/unxar/preface.html#GUID-D5D537CB-5A3D-4C67-9220-0B7AA93F96D2|Administrator's Reference for Linux and UNIX-Based Operating Systems]]
  * [[https://docs.oracle.com/en/database/oracle/oracle-database/12.2/ladbi/running-oracle-universal-installer-to-install-oracle-database.html#GUID-DD4800E9-C651-4B08-A6AC-E5ECCC6512B9|Installation Guide for Linux]]
  * [[https://docs.oracle.com/en/database/oracle/oracle-database/12.2/admqs/installing-oracle-database-creating-database.html#GUID-0711B83C-CA06-4869-AEAF-D406758B9E1D|2 Day DBA]] — getting started
  * [[https://oracle-base.com/articles/12c/oracle-db-12cr1-installation-on-oracle-linux-8|Oracle Database 12c Release 1 (12.1) Installation On Oracle Linux 8 (OL8)]] — some hints about what isn't written in the official documentation. In particular, there is no ''oracle-database-preinstall-12c'' package available, and this guide suggests to use ''oracle-database-preinstall-19c'' instead — which works.