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Optimizer Histograms
| | optimizermagic.blogspot.com
Inside the Oracle Optimizer - Removing the black magic: Maintaining statistics on large partitioned tables
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| | We have gotten a lot of questions recently regarding how to gather and maintain optimizer statistics on large partitioned tables. The majori...
| | rwijk.blogspot.com
About Oracle: dbms_xplan.display_cursor
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| | oracleprof.blogspot.com
Oracle Performance and Backup Blog: How to find SQL_ID and PLAN_HASH_VALUE in Oracle SQL Plan Management Baselines
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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...
| | sqlmaria.com
How to use a SQL Plan Baseline or a SQL Patch to add Optimizer hints
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| In a recent chat with Connor McDonald, we discussed if it is realistic to have applications that don't contain Optimizer hints. Ideally, the answer to this question is "yes", you don't need hints i...