Re: select counts versus insert/select counts

  • From: Daniel Fink <daniel.fink@xxxxxxxxxxxxxx>
  • To: Michael.Coll-Barth@xxxxxxxxxxxxxxxxxxx
  • Date: Fri, 19 Oct 2007 08:35:57 -0600

There is a bug associated with the new HASH GROUP BY operation where incorrect rows are returned. I don't recall the exact bug details, so it may or may not apply.


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Daniel Fink

Oracle Performance, Diagnosis and Training

OptimalDBA    http://www.optimaldba.com
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Michael.Coll-Barth@xxxxxxxxxxxxxxxxxxx wrote:
All,

I came across a rather strange situation a few days ago.  One of our
developers wrote a simple sql script that inserted some rows into a
table.  However, he was getting things that were not expected.  He ran
just the select portion of the code and got a different number of rows.
Any thoughts on what it might be or what to search for?

We are running on AIX Version 5.2 with Oracle Database 10g Enterprise
Edition Release 10.2.0.3.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options.
Thanks,
Michael


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