The sample application allows you to test configurations and procedures before promoting them to a live scenario.
You can configure Oracle Business Intelligence with a simplified sample application. This application is often referred to as SampleApp Lite.
You can also download and configure a more robust sample application. Instructions for this configuration are available at the following location:
http://www.oracle.com/technetwork/middleware/bi-foundation/obiee-samples-167534.html
See About the SampleApp Demonstration Repository in Metadata Repository Builder's Guide for Oracle Business Intelligence Enterprise Edition for information about the sample repository that is provided with Oracle Business Intelligence.