I have one question about the procedure to use DBCA to create a new database 10.2.0.3

1. install the 10.2.0.1
2. 2. Patch to 10.2.0.3
3. 3. Use DBCA to generate the scripts to create a new database
4. run the generated script to create a new db

Do I still need to run the catupgrd.sql as manually upgrading one existing database to 10.2.0.3?

Thanks,

Lily