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Most Helpful Customer Reviews
8 of 10 people found the following review helpful:
5.0 out of 5 stars
High Availability Readable and Informative,
By Wayne Leslie (Cascade, CO United States) - See all my reviews
This review is from: Oracle Database 10g High Availability with RAC, Flashback, and Data Guard (Osborne ORACLE Press Series) (Paperback)
Three weeks ago I obtained a copy of 'High Availability with RAC, Flashback & Data Guard,' Oracle Database 10g. I work in a support environment where we field questions on all of the topics contained in this manual. The book has provided me with a clear and detailed manual for some very sophisticated products. The topics are explained in a thorough manner and pertain to subjects that are frequently queried about, such as changing the protection mode in data guard and adding nodes to an existing rac configuration plus of course many others. The authors have provided lucid explanations of these topics and also have given a logical way to find the information when it is needed. This book allows for the reader to use the information presented to better understand the software that makes up the Oracle High Availability array of products.
5 of 6 people found the following review helpful:
5.0 out of 5 stars
Oracle 10g High Availability By Hart & Jesse,
By greg oehmen (Denver, Colorado USA) - See all my reviews
This review is from: Oracle Database 10g High Availability with RAC, Flashback, and Data Guard (Osborne ORACLE Press Series) (Paperback)
Early on in this impressive book, the HADBA Mantra, which states that "Availability is defined as much by end-user perceptions as by database realities.", sets the tone by offering what I think is a profound glimpse of the new world for DBAs. If that mantra is true, then our profession expands beyond the normal bounds of I.T. and suddenly involves real aspects of business itself including management, politics and psychology more deeply than ever before. Thus this book sets a challenging goal for itself which I think it succeeds in accomplishing. While 'holistic' may be an overworked term in our culture, it is exactly that - a holistic HA solution - which is needed to meet these nascent business challenges and that solution is what Hart & Jesse have written. For example, the concept of incorporating aspects of performance tuning into the high availability view of the database is new to me, yet makes perfect sense. I had always viewed these as separate and independent DBA functions. With each chapter, another brick is laid in what becomes a solid, highly-available wall: The book is well written and has very helpful labs. Understandably, it does not delve deeply into specific areas. Had the authors tried to cover every minute detail, we'd all be lugging a thousand pounds of books between home and work. At the same time, I think every topic is well covered and the depth of detail is good. Frankly, when it comes time to implement something like Dataguard, I'll have 10 references, white papers, etc. on my desk. This book is great for putting everything together under one roof and allowing one to see the big picture and how that picture is evolving. As I get these features implemented, I expect to save a bundle on pager batteries!!!!!
2 of 2 people found the following review helpful:
3.0 out of 5 stars
Good book for intermediate DBA's,
By
This review is from: Oracle Database 10g High Availability with RAC, Flashback, and Data Guard (Osborne ORACLE Press Series) (Paperback)
It is one of the few good books available in the market which covers RAC, DataGuard and Flashback features all in one.
One of the drawbacks of this book is the fact that too much has been packed into one single book and it seems to loose its focus and lacks in detail. Overall, I still recommend this to my students who undergo my RAC and DG courses. Arif Khan Oracle Consultant, (...)
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