To submit a request to the Oracle Application Express administrator for a new database schema:
Navigate to the Workspace home page.
Click Manage Services on the Administration list.
The Manage Services page appears.
Under Workspace, click Request Database Schema.
For Identify Schema:
Specify whether to request a new schema or use an existing schema and then click Next.
For Schema Name, enter a new name or select one from the list.
Click Next.
Review the online instructions and click Finish.