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Temat: ORACLE: DIAGNOSING AND SOLVING ORACLE PARSING ISSUES
by Guy HarrisonMinimizing parsing is critically important both to reduce the CPU overhead of parsing, and to reduce the latch/mutex contention that usually accompanies excessive hard parse rates. Using bind variables in application code is the best way to achieve this, though the CURSOR_SHARING parameter can also be very effective. Spotlight 6.1 has new diagnostics to help you identify and correct bottlenecks caused by excessive parse rates.
Cały artykuł: http://www.toadworld.com/EXPERTS/GuyHarrisonsImproving...