9.7.3.3 Setting the Ownership of the Test Master Data Files
After you have cloned the database to create a test master database, configure permissions on the disk group and data files.
Set an operating system user as the owner of the disk group, and make the operating system user the owner of the test master's data files.
You can do this by running SQL commands manually in SQL*Plus, or by running a script:
- Running Commands Manually
You can use SQL*Plus to manually run the commands to set the ownership of the test master data files. - Running from a Script
You can also set the ownership of the test master data files using a SQL script. 
Parent topic: Setting Up the Test Master