Re: re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
- From: Wolfgang Breitling <breitliw@xxxxxxxxxxxxx>
- To: Hemant K Chitale <hkchital@xxxxxxxxxxxxxx>
- Date: Fri, 29 Dec 2006 08:07:43 -0700
At 07:45 AM 12/29/2006, Hemant K Chitale wrote:
Christian, Wolfgang, Mladen,
[snip]
Now, from your emails and Christian's short example and
Wolfgang's paper, I take the explanation that this cardinality would
be used to determine the JOIN method (sort-merge , nested-loop or hash).
and/or the join order
Regards
Wolfgang Breitling
Centrex Consulting Corporation
www.centrexcc.com
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- » Re: re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
Christian, Wolfgang, Mladen,
Now, from your emails and Christian's short example and Wolfgang's paper, I take the explanation that this cardinality would be used to determine the JOIN method (sort-merge , nested-loop or hash).
- Re: re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
- From: John Kanagaraj
- re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
- From: Hemant K Chitale
- Re: re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
- From: Wolfgang Breitling
- Re: re "CBO - A Configuration Roadmap" -- Histograms on Non-Indexed Columns
- From: Hemant K Chitale