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Re: no index-usage on aggregate-functions?: msg#00317

db.postgresql.performance

Subject:	Re: no index-usage on aggregate-functions?

On Tue, Jun 29, 2004 at 10:46:27 +0200,
"Harald Lau (Sector-X)" <harald@xxxxxxxxxxx> wrote:
>
> hmmmm...
> So, it seems that PG is not soooo well suited for a datawarehouse and/or
> performing extensive statistics/calculations/reportings on large tables, is
> it?

If you are doing lots of selects of aggregates relative to the number of
updates, you can cache the values of interest in derived tables and use
triggers to keep those tables up to date.

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