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rwijk.blogspot.com | ||
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jonathanlewis.wordpress.com
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| | | | | Another little warning for those about to upgrade from 9i to 10g. Some hints will change their behaviour. Consider the following SQL. By default if Oracle cannot unnest a subquery it postpones execution of that subquery to the end of the execution plan. I've used the no_unnest hint in the subquery to stop Oracle from... | |
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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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www.dbaglobe.com
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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. | |
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nenadnoveljic.com
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| | | New optimization causing severe performance degradation. It can be switched off with the fix control. | ||