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 leonotes.wordpress.com
????(transitive closure)????????(Constraint-Generated Predicates) | LEO Notes
| | kerryosborne.oracle-guy.com
Kerry Osborne's Oracle Blog » Blog Archive » Explain Plan Lies
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| | www.dbaglobe.com
Donghua's Blog - DBAGlobe: Subquery Performance Tuning (Part 1, IN, EXISTS and COUNT >0)
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| | A blog about on new technologie. Hands-on note about Hadoop, Cloudera, Hortonworks, NoSQL, Cassandra, Neo4j, MongoDB, Oracle, SQL Server, Linux, etc.
| | dioncho.wordpress.com
Interesting case of the restriction of global hints | Dion Cho - Oracle Performance Storyteller
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| | One of my colleagues sent following test case, of which he couldn't control the join order with hints. 1. Create objects - table t1, t2 and t3 2. Now Let's set the join order as T1->T2->T3, using global hints convention. But it seems that Oracle does not work as expected. It really seems that the...
| | hourim.wordpress.com
SQLTXPLAIN under Oracle 12c | Mohamed Houri's Oracle Notes
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| I like very much Tanel Poder snapper and Carlos Sierra SQLTXPLAIN. They represent valuable performance diagnostic tools. Unfortunately I am still waiting to find a customer site where I will be allowed or granted necessary privileges to install and to use them. There are client sites where I have been asked to tune queries without...