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| | mwidlake.wordpress.com
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| | 1 post published by mwidlake on July 3, 2009
| | mauro-pagano.com
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| | 12c brought several new features in the SQL performance area and the most advertised one is probablyAdaptive Query Optimization. The Adaptive Plans feature has been described in a lot of details (specially the adaptive join methods part) and most of the focus in Adaptive Statistics has been on SQL Plan Directives and Automatic Re-optimization, not...
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| | Conclusion When using the merge command to process small amounts of data be careful that you don't manage to enable parallel DML or you may find that you add a lot of empty space to the object. This could become very wasteful if you were running a loop that processed a few rows on every...
| | 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...