content: I used this book (Exam Cram - Test 3 & Test 4 for OCP) and the Jason Couchman (Oracle Press) DBA Exam Guide (the one that's over 1000 pages in length) to review recently for the Backup & Recovery Exam for the Oracle Certified Professional Track. This book's section on Backup and Recovery really wasn't adequate in my opinion to pass the test. It did provide a very good general overview, but one really needed the Couchman book to get the level of detail sufficient to answer some of the questions on the certification exam. I did pass, however, but do feel that this book alone would not have sufficed as the single resource to study for the exam. I cannot vouch for the Tuning section of the book (Exam 4 in the series), because I have not read that section at all.