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Showing posts with label merge join. Show all posts
Showing posts with label merge join. Show all posts
Jul 4, 2011

UNDERSTANDING EXPLAIN PLAN 2

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Join Operations OUTER An outer join that returns rows from one of the tables, even if there is no matching row in the othe...
Jun 29, 2011

UNDERSTANDING EXPLAIN PLAN

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    Explain Plan a small overview             To interpret an execution plan and correctly evaluate your SQL optimization options, you ...
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