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| | mwidlake.wordpress.com
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| | 1 post published by mwidlake on July 3, 2009
| | 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...
| | kerryosborne.oracle-guy.com
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| | orastory.wordpress.com
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| There have been some interesting posts from Marcin Przepiorowski and Kerry Osborne about mapping sql plan management (spm) baselines to a corresponding sql id. The key to sql plan baselines (DBA_SQL_PLAN_BASELINES) is SIGNATURE. And why signature? It's not just another change to the key to identifying sql statements (HASH_VALUE -> (NEW_)HASH_VALUE / OLD_HASH_VALUE -> SQL_ID)....