From: | "Shoaib Mir" <shoaibmir(at)gmail(dot)com> |
---|---|
To: | "Richard Huxton" <dev(at)archonet(dot)com> |
Cc: | "Jan van der Weijde" <Jan(dot)van(dot)der(dot)Weijde(at)attachmate(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Performance with very large tables |
Date: | 2007-01-15 11:37:25 |
Message-ID: | bf54be870701150337t3fd17329i43d9d738ccfa647f@mail.gmail.com |
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Lists: | pgsql-general |
Oh yes, need to have a condition first for which you have partitioned
tables. Only in that case it will work with partitions.
---------------
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)
On 1/15/07, Richard Huxton <dev(at)archonet(dot)com> wrote:
>
> Shoaib Mir wrote:
> > You can also opt for partitioning the tables and this way select will
> only
> > get the data from the required partition.
>
> Not in the case of SELECT * FROM <table> though. Unless you access the
> specific partitioned table.
>
> > On 1/15/07, Richard Huxton <dev(at)archonet(dot)com> wrote:
> >>
> >> Jan van der Weijde wrote:
> >> > Hello all,
> >> >
> >> > one of our customers is using PostgreSQL with tables containing
> >> millions
> >> > of records. A simple 'SELECT * FROM <table>' takes way too much
> >> time in
> >> > that case, so we have advised him to use the LIMIT and OFFSET
> clauses.
>
> --
> Richard Huxton
> Archonet Ltd
>
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