Hyperion DRM is an analytical master data management tool that allows organizations to create a unified view of their data dimensions and reporting structures while enforcing enterprise governance policies. The document outlines the training content for Hyperion DRM, covering topics such as managing versions, hierarchies, nodes, properties, data validation, queries, action scripts, imports, exports, change requests, and auditing transaction history. It also includes details on the functionalities that support integration with business intelligence and enterprise performance management systems.