[<< wikibooks] RAC Attack - Oracle Cluster Database at Home/RAC Attack 12c/Create Database
Run the Database Configuration Assistant:

 [oracle@collabn1 ~]$ /u01/app/oracle/product/12.1.0/dbhome_1/bin/dbca 

The splash screen appears.

Select Create Database and click Next.

Select Create a database with default configuration.

Global Database Name:  RAC.racattack

Storage Type:  Automatic Storage Management (ASM)

Database Files Location: +DATA

Fast Recovery Area: +FRA

Database Character Set: AL32UTF8 - Unicode UTF-8 Universal character set

Administrative password: racattack

Check Create As Container Database

Pluggable Database Name: PDB (*)

Click Next.

A warning is shown because the password is weak. Click Yes to continue.

The prerequisite checks may fail due to space requirements. It's safe to ignore by checking Ignore all.

Click Next.

Review the summary page and click Finish.

The database creation is finished. Click Exit, then Close.