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optimizermagic.blogspot.com | ||
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oracleprof.blogspot.com
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| | | | | SQL_ID and/or PLAN_HASH_VALUE are used almost globally across Oracle database to identify query. This is not a case for SPM mechanism using... | |
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rwijk.blogspot.com
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kerryosborne.oracle-guy.com
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| | | | | [AI summary] The article discusses techniques for using SQL Profiles to influence query optimization in Oracle databases, building on previous methods like outline switching. | |
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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... | ||