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carlos-sierra.net | ||
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www.bobbydurrettdba.com
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| | | | | Sunday night we worked with Oracle Support on a performance issue with a query that had been running for over 14 hours even though it ran the previous weekend in five minutes. Oracle Support showe... | |
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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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mauro-pagano.com
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| | | | | Most of the overall database performance issues (not caused by SQL tuning) are prettycomplex to setup because they require a workload and it takes quite some work to reproduce concurrency in a test environment where at best you got a couple folks testing some new code. Nowadays there are ways to reproduce a realistic workload... | |
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kerryosborne.oracle-guy.com
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