Return-Path: Delivered-To: apmail-db-derby-dev-archive@www.apache.org Received: (qmail 56450 invoked from network); 29 Nov 2007 08:15:58 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 29 Nov 2007 08:15:58 -0000 Received: (qmail 76434 invoked by uid 500); 29 Nov 2007 08:15:46 -0000 Delivered-To: apmail-db-derby-dev-archive@db.apache.org Received: (qmail 76389 invoked by uid 500); 29 Nov 2007 08:15:45 -0000 Mailing-List: contact derby-dev-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: Delivered-To: mailing list derby-dev@db.apache.org Received: (qmail 76380 invoked by uid 99); 29 Nov 2007 08:15:45 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Nov 2007 00:15:45 -0800 X-ASF-Spam-Status: No, hits=-1.0 required=10.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [192.18.6.24] (HELO gmp-eb-mail-2.sun.com) (192.18.6.24) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Nov 2007 08:15:47 +0000 Received: from fe-emea-10.sun.com (gmp-eb-lb-2-fe2.eu.sun.com [192.18.6.11]) by gmp-eb-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id lAT8FIBc001193 for ; Thu, 29 Nov 2007 08:15:26 GMT Received: from conversion-daemon.fe-emea-10.sun.com by fe-emea-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0JS900J01DFTGF00@fe-emea-10.sun.com> (original mail from John.Embretsen@Sun.COM) for derby-dev@db.apache.org; Thu, 29 Nov 2007 08:15:18 +0000 (GMT) Received: from [129.159.112.232] by fe-emea-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTPSA id <0JS9006Q4DLAZNC0@fe-emea-10.sun.com> for derby-dev@db.apache.org; Thu, 29 Nov 2007 08:15:14 +0000 (GMT) Date: Thu, 29 Nov 2007 09:13:47 +0100 From: John Embretsen Subject: Re: Hello In-reply-to: Sender: John.Embretsen@Sun.COM To: derby-dev@db.apache.org Reply-to: derby-dev@db.apache.org Message-id: <474E74BB.8060004@Sun.COM> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=UTF-8 Content-transfer-encoding: 8BIT References: User-Agent: Thunderbird 2.0.0.9 (X11/20071119) X-Virus-Checked: Checked by ClamAV on apache.org 徐伟 wrote: > Hello > > I would like to read the source code of derby core, but I found it was > too difficult for me. > Will anybody give me some advice? I'm not sure what you mean by "derby core", but the database engine code is structured as various layers and components, so you could probably start in the area that is most interesting to you and work your way out. More information about Derby code is available here: http://db.apache.org/derby/papers/index.html and here: http://wiki.apache.org/db-derby/HowItWorks Feel free to send any specific questions to this list. -- John