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From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-performance@postgresql.org
Subject: Re: Very long SQL strings
Date: Thu, 21 Jun 2007 20:48:33 +0200
Message-ID: <20070621184833.GA10814@KanotixBox> (raw)
In-Reply-To: <357fa7590706211133u2ae43d09id1653ca63d7a7838@mail.gmail.com>
References: <357fa7590706211133u2ae43d09id1653ca63d7a7838@mail.gmail.com>

Steven Flatt <steven.flatt@gmail.com> schrieb:
> For example, on a toy table with two columns, I noticed about a 20% increase
> when bulking together 1000 tuples in one INSERT statement as opposed to doing
> 1000 individual INSERTS.  Would this be the same for 10000? 100000?  Does it
> depend on the width of the tuples or the data types?

I guess you can obtain the same if you pack all INSERTs into one
transaction. 

And, faster than INSERT: COPY.


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."    (unknow)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°



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