Create a recipe: analysis of current system and hardware to plan database

Create a blueprint of the file structure of your database

Prep the operating system, create folder structure based on your blueprint

Create pfile & database creation script

Startup system: startup nomount pfile= if borowing an instance shutdown DB first

Run create database script.

Confirm in data dictionary the creation of the database

Run database_home\RDBMS\admin\catalog.sql as sysdba

Run database_home\RDBMS\admin\catproc.sql as sysdba

Run database_home\sqlplus\admin\pupbld.sql as system