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electrical grid. The Far East is anywhere from eight to 12½ hours ahead of most geographic locations in North America. Imagine if the computing power from the quiet time (11 P.M. to 7 A.M. EST) in North America can be absorbed by users in India, Pakistan, and Sri Lanka.
You are reading Oracle Database 10g: A Beginner's Guide for one of many reasons. Perhaps you are a neophyte to the database arena and are looking for a way to fast-track your knowledge. Maybe you have been working in the industry for a number of years and are moving with your company into the Oracle product line. Some developers have been writing application code for years and are now being given the opportunity to roll up their sleeves and get their hands dirty with the technology under the covers. If someone has walked into your office and uttered what some feel are the most dreaded six words in the English language—''So, you're the new database administrator"—reading this book is the perfect place to be.
Oracle Database 10g: A Beginner's Guide features the following elements, which enable you to check your progress and sync your understanding of the concepts and details of the product:
Critical skills, listed at the beginning of each chapter, highlight what you will learn by the end of the chapter.
Step-by-step projects reinforce the concepts and skills learned in each chapter, enabling you to apply your newly acquired knowledge and skills immediately.
Ask the Expert Q&As appear throughout the chapters to make the subject more interactive and personal.
Progress Checks are quick, numbered, self-assessment sections where readers can easily check their progress by answering questions relating to the current chapter.
Mastery Checks, at the end of each chapter, test proficiency in concepts and technology details covered in the chapter through multiple-choice, fill-in-the blank, true/false, and short-answer questions.
We start out by giving you an overview of database fundamentals with an Oracle Database 10g flavor, then move into the Structured Query Language (SQL), the delivery mechanism coming to a computer screen on your desktop. Next, we look at the job of the Oracle Database 10g gatekeeper—the DBA, or database administrator. Then come chapters on networking in the Oracle Database 10g world, backup and recovery, PL/SQL, Java, and XML. We finish the journey with a look at very large database features of Oracle Database 10g. This is an area Oracle has spent some time developing over the past few releases. Information repositories can be likened to jumbo jets—the bigger they are, the more difficult they are to maneuver.
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