Oracle 19c Feature

ORACLE 19C NEW FEATURE COMPARE EXECUTION PLANS WITH DBMS_XPLAN.COMPARE_PLANS

A new feature in Oracle 19c is the ability to use DBCA to not only perform a remote clone of a PDB, but also to relocate a PDB from one Container Database to another.

ORACLE 19C NEW FEATURE AUTOMATIC FLASHBACK OF STANDBY DATABASE

ORACLE 19C NEW FEATURE AUTOMATIC INDEXING

• DBCA silent mode improvements. Use DBCA in silent mode to perform the following tasks:        

                           Clone a remote PDB.        

                           Relocate a PDB to another container database (CDB).

                          Create a duplicate of an Oracle Database.

• Dry-run validation of an Oracle Clusterware upgrade.
• Flashback in Data Guard.
• DML mode in Data Guard.
• Network file retention and size limits.
• Automatic indexing feature.
• Image-based Oracle client installation.
• AutoUpgrade for an Oracle database.
  

https://gavinsoorma.com.au/knowledge-base/19c-new-feature-dbca-pluggable-database-remote-clone-and-relocate/

https://oracle-base.com/articles/19c/multitenant-dbca-pdb-remote-clone-19c