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jonathanlewis.wordpress.com | ||
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hourim.wordpress.com
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| | | | | The last Jonathan Lewis post on RAC Planswhich finished by the following phrases: "If you're going to hard-code hints into a query then take a look at the outline it generates when it does the right thing, and that will tell you about the 15 or so hints you've missed out. (Better still, consider generating... | |
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tonyhasler.wordpress.com
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| | | | | As has happened a couple of times recently, comments on a blog of mine have helped me understand the subject matter on which I am commenting far better. In this case a dialogue with Dom Brooks on my previous blog on how to simulate a stored outline/SQL baseline with FORCE_MATCH using SQL profiles has provided... | |
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www.bobbydurrettdba.com
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| | | | | We have been discussing query tuning at work and I've come back to an example of the Oracle optimizer choosing the wrong plan due to an error in its calculation of the number of rows returned... | |
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mauro-pagano.com
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| | | When talking tools to help with SQL Tuning the question on SQLTXPLAIN vs SQLd360 comes out very often. "What's the difference?", "Which one should I use?", "Why another tool?" are probably the top ones :-) I'll try to make a fair and (as much as possible) unbiased comparison between the two on some general aspects.... | ||
