From: Theo Kramer <theo@flame.co.za>
To: pgsql-performance@postgresql.org
Subject: Re: oid...any optimizations
Date: Thu, 06 Mar 2008 09:21:36 +0200
Message-ID: <1204788096.2332.18.camel@localhost6.localdomain6> (raw)
In-Reply-To: <f966c2ee0803052302m2042fcb9ha17c041927987f69@mail.gmail.com>
References: <f966c2ee0803052302m2042fcb9ha17c041927987f69@mail.gmail.com>
On Thu, 2008-03-06 at 12:32 +0530, sathiya psql wrote:
> i had a table with 50 lakh record...
>
> it has a column called oid ( obviously all the tables will have
> this ), but while doing any operation it is getting slow because of
> the number of records...
>
> if i remove the oid column will i get any benefit, what are all the
> other default columns created without our knowledge..
Probably not
Also - do not remove oid if your sql operations require it.
A 'create index x_oid_idx on table x (oid)' might help.
Also see EXPLAIN in the manual.
--
Regards
Theo
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Subject: Re: oid...any optimizations
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