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Home -> Community -> Mailing Lists -> Oracle-L -> Re[5]: SQL and PL/SQL tuning template document required urgen
Wednesday, October 29, 2003, 5:29:25 PM, you wrote:
DW> You've probably assessed Cary's book more than anyone besides Cary DW> himself. How much experience with Oracle do you feel a person should have DW> before we recommend this book to them?
I'd recommend it to anyone. I tend to recommend whatever books I like and let the chips fall where they may. Having said that, I would couch my recommendation in different terms depending on the my impression of the experience level of the recommendee. I want to set the right expectation. To a rank beginner, I might say something like:
Buy Cary's book; it's really great. He's very scientific and methodical, and shows you how to have the database tell *you* where the time is going. Just read the first couple three chapters, and then you should probably get someone a bit more experienced to help you use his method. Or, get your boss to buy you some analysis time using the Hotsos Profiler.
It is true that Cary's book is not the sort of thing you can just throw at a very junior person expecting to get good results in return. But Cary's book would at least help them to begin thinking about the tuning problem in a methodical and scientific way. They'd likely need other help, from other people or other books, in order to actually accomplish something.
This brings up an interesting question with respect to Cary's book, and it's a question that doesn't just apply to beginners. How are you all putting his advice into practice? What specific things are you doing as a result of reading the book?
To be honest, were I faced with a tuning problem, I'd want my boss to pay for some runs using the Hotsos Profiler. I wouldn't at all want to reinvent *that* tool. Cary's book would give me the knowledge to collect the proper trace data, and the knowledge to interpret the resource profile, but I'd want a ready-made tool to generate that profile for me.
DW> I suppose if a developer is trying to tune queries, this DW> book might not be suitable.
Actually, isn't that much of the point of the book, to help developers tune queries?
DW> My feeling is that even a novice DBA should be able to DW> understand at least Part 1 and Part 3, and it would get DW> them started on the right path. Can you confirm that?
I think that's probably a fair statement. Readers would probably pick up bits and pieces from Part 2 as well.
Best regards,
Jonathan Gennick --- Brighten the corner where you are http://Gennick.com * 906.387.1698 * mailto:jonathan@gennick.com
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Author: Jonathan Gennick
INET: jonathan_at_gennick.com
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