- Series: Oracle Press
- Paperback: 796 pages
- Publisher: McGraw-Hill Education; 1 edition (December 23, 2009)
- Language: English
- ISBN-10: 0071614214
- ISBN-13: 978-0071614214
- Product Dimensions: 7.5 x 1.7 x 9.2 inches
- Shipping Weight: 3 pounds (View shipping rates and policies)
- Average Customer Review: 48 customer reviews
- Amazon Best Sellers Rank: #657,004 in Books (See Top 100 in Books)
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OCE Oracle Database SQL Certified Expert Exam Guide (Exam 1Z0-047) (Oracle Press) 1st Edition
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About the Author
Steve O'Hearn has been an Oracle Certified Application Developer since 1999. He has designed databases for 23 years for clients such as the U.S. Army, U.S. Navy, the FAA, the World Bank, NASA, and others. He has served as a Chief Technology Officer, a consultant, and Instructor, and is the author of several computer books, including the "Oracle OCP Developer PL/SQL Program Units Exam Guide," from Oracle Press.
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That one is a small guide (150 pages). Steve O'Hearn's books is 700+ pages. Though I have 17yrs of experience, I knew my SQL knowledge was intermediate but after going through this guide, saying it was intermediate was barely enough. I now TRULY feel that after reading this book and Morris' guide that I feel way more comfortable in saying "expert", but "expert" truly comes with real-world experience. But the guide will help. The end of chapter quizzes and also the accompanying practice exam CD definitely helps.
My advice is do NOT take the practice exams on the CD until you are VERY close to feeling comfortable in taking the real-world exam. And when you do take the exam take them as close as possible to the real exam. Whatever settings there are make sure they mimic the real world.
I studied from mid-April to mid-July, so a total of 3 months and this helped me PASS the exam. It is 120 minutes long (2 hours) and 70 questions total and you must get a minimum percentage right to pass. 66% is passing. Not 66 questions! As that would be a minimum of 94% passing. At that rate, very few people would pass. I got a 78% (55 out of 70). I used up EVERY second. I had 45 seconds left to spare to go over any questions I had marked but alas had little time.
Study long and slowly and take your time, as there's no rush to take the exam. They're offered daily. And good luck.
That was disappointing. The online practice exam was pretty good. I studied up some more after taking it and was hoping to try out the bonus exam.
Questions at the end of each chapter are enlightening. The book is big and covers lots of material. Make sure you use other sources such as Oracle Certification Prep - Study Guide for 1Z0-047.
This book's objective is to prepare you for the exam. It is not an exhaustive SQL reference (though certainly robust) - nor does it claim to be. In addition to the book itself, you also have access to the ebook and additional exam simulated questions via the CD. The ebook is in Adobe and isn't formatted quite as well as the Kindle version. The ebook is baked into the price at nearly $40.
There really isn't too much I would offer in the area of improvements - except to have even more exam type questions.
As I am used to working with strict naming conventions, a basic question such as whether or not is possible to give the very same name to a table, an index or a constraint never occurred to me before (the answer is yes, as they belong to different namespaces). I also thought that I knew perfectly well everything related to joins but I found little surprises such as a predefined keyword for the Cartesian product (CROSS JOIN) or that a column of datatype TIMESTAMP WITH LOCAL TIME ZONE can be used as a PK but a column of datatype TIMESTAMP WITH TIME ZONE cannot.
The book is well organized and it covers point by point the objectives of the Oracle exam. The examples are well chosen (no need to be in front of your computer) and the way the author explains each topic is so clear that the book could also be used by a beginner as a learning tool. I could only spot a small typo (SEELCT instead of SELECT on page 521) and probably one of the questions on a self test about the use of a pseudocolumn on page 163 that could have been improved a little bit:
SELECT ROWNUM, *
ORDER BY PORT_NAME;
It fails with a syntax error but the author didn't mention that it can be solved by using an alias:
SELECT ROWNUM, p.*
FROM PORTS p
ORDER BY PORT_NAME;
But these are really unimportant details. If you have not taken any Oracle exam yet, the one provided with the book will give you a very good idea about what to expect, but be warned that questions in the exam are a little bit harder. For me, this book was a key element for passing the exam and I can surely recommend it.