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Hi,
25 Jul 2014
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While testing the 13.10 version of the DBMS on our staging system, we found a query that performs much better under 13.10 and is using a "Group AMP Join", where the 12.0 version Explain plan references something completely different. I am not familiar with the Group AMP Join and have been unsuccessful finding it in the 13.10 documentation searches I have
26 Jul 2012
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A topic that is essential for all SQL programmers and database designers. This session examines the mysteries of the English text that appears when an EXPLAIN is requested.
09 Jan 2012
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