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kerryosborne.oracle-guy.com | ||
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dioncho.wordpress.com
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| | | | | I hit following OTN forum article which was a discussion on typical SQL sharing problem. There are so many reasons why Oracle does not share the same statement. Oracle records the reason in v$sql_shared_cursor view. In my local 10.2.0.1 database, v$sql_shared_cursor has 53 reasons of unshareability. But I have a big complaint on v$sql_shared_cursor view.... | |
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mwidlake.wordpress.com
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| | | | | 1 post published by mwidlake on July 3, 2009 | |
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blog.yannickjaquier.com
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| | | | | SQL Plan Management feature overview through concrete example and its interactions with Adaptive Cursor Sharing (ACS) and SQL Profile | |
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nenadnoveljic.com
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| | | Oracle's heuristics previously avoided considering fixed tables for Join Predicate Pushdown (JPPD) transformation, leading to suboptimal plans. Enforcing predicate pushing into the view with the PUSH_PRED hint was a workaround. Oracle addressed this in the 21c release, evaluating fixed tables for JPPD. | ||