This book is designed for Oracle DBAs and system administrators. The reader will have a basic working experience of administering Oracle databases. This book will become a reference guide and will also help you to learn some new skills, and give you some new ideas you never knew about, helping you to easily find the solution to some of the most well-known problems you could encounter as DBAs. This book is designed to be understood even by beginners who have just started with the Oracle database. Due to this, any person with a basic working experience of administering an Oracle database will be able to completely understand this book.