From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: An unresolved performance problem. |
Date: | 2003-05-09 12:31:46 |
Message-ID: | 29797.1052483506@sss.pgh.pa.us |
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Lists: | pgsql-bugs pgsql-performance pgsql-sql |
Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> writes:
> If so, how can one find the correlation between the ordering
> of a table and a multicolumn index?
Well, it is surely no better than the correlation of the index's
first column --- what is that?
regards, tom lane
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