Unplug PDB from 12c and Plug into 19c CDB In this blog , We will be unplugging PDB from Oracle 12c CDB and plug it into Oracle 19c CDB . All the steps of unplugging and plugging PDB remain the same except we need to perform PDB upgrade. Steps are as follows : Goto $ORACLE_HOME/bin location and Run ./dbca command. Select Manage Pluggable Database. 6 . Transfer file to 19c CDB Server. Now transfer database file set from 12c to 19c using SCP or WINSCP. PDB database file sets. /u01/app/oracle/product/12.2.0.1/db_1/assistants/dbca/templates/{DB_UNIQUE_NAME}_{PDB_NAME}.dfb /u01/app/oracle/product/12.2.0.1/db_1/assistants/dbca/templates/{DB_UNIQUE_NAME}_{PDB_NAME}.xml 17. 19.

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dbupgrade -c pdb1

ALTER PLUGGABLE DATABASE all OPEN;