This book is written using a practical approach that guides you through different practical scenarios. It provides a brief introduction to the topics; this way you can quickly get to know the main features, start being productive with the tool, and grow with it at a fast pace. You won't have to spend too much time getting to the basics of the tool and can immediately progress towards the advanced tips. Using this practical approach you don't have to spend valuable time trying to decipher arid reference manuals; you can easily set up the practical scenarios, and try to follow up the presentations. The images used in the book come from real scenarios, and the output is always explained so you can easily interpret what is being displayed on the screen after issuing the commands. This book is aimed at all Oracle professionals who interact with the database through the data and database utilities and are willing to optimize their interaction with it. Entry-level users will get acquainted with the best practices to get their job done in a timely and efficient manner. Advanced users will find useful tips and How-Tos that will help them focus on getting the most out of the database utilities and fine-tune batch processing.