Prepare to pass the Oracle Certified Professional Introduction to Oracle9i: SQL exam--a required exam for OCP DBA certification--using this Oracle Press study guide. Throughout each chapter, you'll find in-depth details on all the material covered on this challenging exam, followed by practice questions and chapter summaries to highlight what you've learned. Written for novices and experts alike, this book and CD-ROM package is the most comprehensive exam preparation tool available for this Oracle9i Certified Professional exam.