Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 4BCD59FB504 for ; Fri, 6 Jul 2007 00:59:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-maia, port 10024) with ESMTP id 20638-06 for ; Fri, 6 Jul 2007 00:59:23 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 40EC49FA6AC for ; Fri, 6 Jul 2007 00:59:29 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.1/8.14.1) with ESMTP id l663xRVn018301; Thu, 5 Jul 2007 23:59:27 -0400 (EDT) To: lai yoke hman cc: pgsql-performance@postgresql.org Subject: Re: Performance of PostgreSQL and Oracle In-reply-to: References: Comments: In-reply-to lai yoke hman message dated "Fri, 06 Jul 2007 02:44:09 -0000" Date: Thu, 05 Jul 2007 23:59:26 -0400 Message-ID: <18300.1183694366@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200707/44 X-Sequence-Number: 25728 lai yoke hman writes: > I have seen some performance testing indicates that apparently the PostgreSQL 8 is faster in writing data while seems like Oracle 10g is better in reading data from database, can any one tell me why? Or is there anyone done performance benchmark on them before? You won't find anything particularly definitive on this, because Oracle forbids publishing benchmarks of their software. regards, tom lane