Return-Path: Delivered-To: apmail-db-derby-user-archive@www.apache.org Received: (qmail 88460 invoked from network); 15 Dec 2008 18:54:13 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 15 Dec 2008 18:54:13 -0000 Received: (qmail 65316 invoked by uid 500); 15 Dec 2008 18:54:21 -0000 Delivered-To: apmail-db-derby-user-archive@db.apache.org Received: (qmail 65286 invoked by uid 500); 15 Dec 2008 18:54:21 -0000 Mailing-List: contact derby-user-help@db.apache.org; run by ezmlm Precedence: bulk list-help: list-unsubscribe: List-Post: List-Id: Reply-To: "Derby Discussion" Delivered-To: mailing list derby-user@db.apache.org Received: (qmail 65191 invoked by uid 99); 15 Dec 2008 18:54:21 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Dec 2008 10:54:20 -0800 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [63.82.107.6] (HELO red.amberpoint.com) (63.82.107.6) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Dec 2008 18:54:02 +0000 Received: from [127.0.0.1] (bp-laptop.edgility.com [10.10.12.54]) by red.amberpoint.com (8.13.8/8.13.8) with ESMTP id mBFIrex8020293 for ; Mon, 15 Dec 2008 10:53:40 -0800 Message-ID: <4946A7B3.8020509@amberpoint.com> Date: Mon, 15 Dec 2008 10:53:39 -0800 From: Bryan Pendleton User-Agent: Thunderbird 2.0.0.18 (Windows/20081105) MIME-Version: 1.0 To: Derby Discussion Subject: Re: Performance issue of derby using JDBC References: <494698CD.4090906@Sun.COM> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Harshad wrote: > "select name,version,release,time from PKG where PKG.id in (select id from PROVIDES where name = ?)", What happens if you run this statement instead: select pkg.name,pkg.version,pkg.release,pkg.time from pkg, provides where pkg.id = provides.id and provides.name = ? thanks, bryan