To perform a flashback operation for an application container, you must perform flashback operations for the application root and all the individual application PDBs that are part of the application container. Performing a flashback operation on the application root reverts only the application root to the specified point in time. https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/rman-performing- flashback-dbpitr.html#GUID-66B1A12D-1C92-43B5-A204-AA8A6D177ABD