Oracle Database 21c is the engine driving some of the most critical systems on the planet. "DBA Essentials for 21c," equips you with the essential knowledge and skills to confidently manage and optimize your Oracle Database in the cloud. This book breaks down Oracle Database Setup Wizard, Configuration Assistant, and steps for creating and configuring databases.

In the first section, you will learn the basics of 21c, understand its Infrastructure, use its advantages, and learn its role in the modern data landscape. As you progress, you will gain knowledge of tools like Setup Wizard and Configuration Assistant to build powerful database structures and optimize performance. Then advanced topics are covered, where you will discover how to secure your data, troubleshoot common issues, and automate tasks for efficiency with practical tips and best practices.

After reading this book, you will be highly competent in Oracle Database 21c installation on OCI Compute. You will grasp the fundamental concepts and sophisticated features to deploy databases in a cloud environment.


  • Comprehend Oracle Database 21c installation, essential concepts, and advanced features.
  • Focus on Oracle Cloud Infrastructure (OCI) Compute, to deploy databases in a cloud environment.
  • Practical tips and best practices to optimize performance and troubleshoot effectively.


  • Grasp the fundamental concepts of Oracle Cloud Infrastructure.
  • Acquire in-depth knowledge of prerequisites for a seamless installation.
  • Successfully install Oracle Database 21c in different environments.
  • Proficiently use DBCA for creating and configuring databases.
  • Learn to create container databases in both typical and advanced modes.
  • Implement best practices for optimal OCI Compute deployment.


This book is designed for aspiring database administrators, system administrators, IT professionals, developers, and technology enthusiasts, curious about the inner workings of this powerful data management system.