Return-Path: Delivered-To: apmail-db-derby-user-archive@www.apache.org Received: (qmail 39836 invoked from network); 19 Jun 2008 14:48:20 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 19 Jun 2008 14:48:20 -0000 Received: (qmail 56391 invoked by uid 500); 19 Jun 2008 14:48:21 -0000 Delivered-To: apmail-db-derby-user-archive@db.apache.org Received: (qmail 55913 invoked by uid 500); 19 Jun 2008 14:48:20 -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 55902 invoked by uid 99); 19 Jun 2008 14:48:20 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 19 Jun 2008 07:48:20 -0700 X-ASF-Spam-Status: No, hits=2.0 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of vodarus@gmail.com designates 74.125.44.28 as permitted sender) Received: from [74.125.44.28] (HELO yx-out-2324.google.com) (74.125.44.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 19 Jun 2008 14:47:31 +0000 Received: by yx-out-2324.google.com with SMTP id 3so127493yxj.85 for ; Thu, 19 Jun 2008 07:47:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type:references; bh=saJW4taq+/1ZNfZqtccnon5P445AkzMIa460giMIJyo=; b=NLpAlBaRr4S8+/kjCRdhtMpNnqh7bqZvBUcu6hMCkhwPo1mS5EjQjYGb4X96TDXdsM yGajWheD+OszoGmiTFVJ5P2GTutNGKP/b6calMitt/RgYi07zTXwr15zKAl5ZFnFQaAA 1jsx72b8ueUsMyKgzSfkdiJHYWCC7MSEsuhhg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:references; b=GIyLOXuYPB1bOG15L94CQukodSwFTqQ8JWMbaknISApbWu/jT6GRiKLcRIic+ZOOID d5i2vRetJBhrFh0dHtQh0tKGuQ4IvgJTDM92w/WJl4bk3Jkm9QCFQiacjDTB+X2+MIQG itkpxSPPo/CEz/Fembf6bzXjS7X5u+jzAVMyg= Received: by 10.143.5.21 with SMTP id h21mr964627wfi.175.1213886868555; Thu, 19 Jun 2008 07:47:48 -0700 (PDT) Received: by 10.151.99.19 with HTTP; Thu, 19 Jun 2008 07:47:48 -0700 (PDT) Message-ID: <1c6e34b0806190747s348142bdha92af894cf68eab2@mail.gmail.com> Date: Thu, 19 Jun 2008 18:47:48 +0400 From: "vodarus vodarus" To: "Derby Discussion" Subject: Re: Speed of using Derby DB In-Reply-To: <485A5673.90301@Sun.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_4671_20974850.1213886868562" References: <1c6e34b0806110131q12339641j841b8c5861f0085a@mail.gmail.com> <48506269.3010107@sbcglobal.net> <1c6e34b0806160319kc7d46c7q63a8666ccfdd96f@mail.gmail.com> <1c6e34b0806180433w38f1660fp9ac46dc44accbe9@mail.gmail.com> <48593A29.2030202@Sun.com> <1c6e34b0806190142p17f7c917sf679c15b430d1b17@mail.gmail.com> <485A5673.90301@Sun.com> X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_4671_20974850.1213886868562 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline Also interesting that DROP and CREATE seems to be faster than DELETE FROM
it depends on internal architecture. by the way... Is Derby have blocking engine (like MySQL/MyISAM or MS SQL 2k) or versionning (like PostgreSQL or Oracle)? ------=_Part_4671_20974850.1213886868562 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline Also interesting that DROP and CREATE <table> seems to be faster than DELETE FROM <table>

it depends on internal architecture.
by the way... Is Derby have blocking engine (like MySQL/MyISAM or MS SQL 2k) or versionning (like PostgreSQL or Oracle)?
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