Preface

This document describes how to upgrade an existing PRODUCT environment to 12c (12.2.1.3.0).

• Audience
  Identify the target audience for your book and learn more about this document intended for.
• Documentation Accessibility
  
• Related Documents
  Upgrade documentation is organized by tasks in the 12c documentation library. The task-specific pages provide direct links to common upgrade procedures and related documentation.
• Conventions
  
• Diversity and Inclusion