Create Oracle databases using the Oracle Database Configuration
Assistant (DBCA). If you need to have only one database instance,
you can skip this task.
About this task
When you create multiple database instances, you must install the databases on each
instance. If you use the database wizard to install the databases, prepare and run the database
wizard once for each instance. If you use the scripts to install the databases, run the scripts once
for each instance. Complete the following steps for your operating
system: