*Due to a bug stopping addition of PDB in SE2 19c s/w should be at least 19.9.
Start DBCA from windows menu
Choose ‘Manage pluggable databases’
Choose ‘Create a Pluggable database’
Select Container Database and provide sys username and password
Leave default of PDB$SEED
provide a pdb name, pdb admin user and password as below based on requirements
Review file locations for PDB, these should matching same setup as existing PDB
Review choices made on Summary Page
Allow 30 minutes for new PDB creation to complete, note location of logs in case of issues
If successful you will see final screen
update tnsnames.ora file, by copying existing PDB entry and modifying as example
ORCLPDB2 =
(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = <host>)(PORT = 1521))
(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = orclpdb2)))
Test a connection using TNS and admin user created earlier
sqlplus pdbadmin@orclpdb2