Next Oracle Database Release: Oracle Database 21c
For more information, see Oracle documentation through the links below.
Oracle Database 21c Technical Architecture
Oracle Database Testing Guide 21c
Learning Database New Features
Oracle Database Releases That Support Direct Upgrade
Details: Using non-CDBs and CDBs
Details: Oracle Database 21c Data Guard Desupported Features
Details: Oracle Clusterware 21c Deprecated and Desupported Features