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afatkulin.blogspot.com | ||
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oracle-randolf.blogspot.com
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| | | | | When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these... | |
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blog.tanelpoder.com
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| | | | | Despite the title, this is actually a technical postabout Oracle, disk I/O and Exadata & Oracle In-Memory Database Optionperformance. Read on :) If a car dealertells you that this fancy new car on display goes 10 times (or 100 or 1000) faster than any of your previous ones, then either the salesman is lying or this new car is doing something radically differentfrom all the old ones. You don't just get orders of magnitude performance improvements by making small changes. Perhaps the car bends space around... | |
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sqlmaria.com
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| | | | | Although there have been a number of significant changes to the Oracle Database in 12c, some of my favorite new features are actually the small enhancements, designed to make your life a little eas... | |
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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... | ||
