From user-return-7253-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Mon Jul 05 16:33:26 2010 Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 90720 invoked from network); 5 Jul 2010 16:33:26 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 5 Jul 2010 16:33:26 -0000 Received: (qmail 26672 invoked by uid 500); 5 Jul 2010 16:33:25 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 26655 invoked by uid 500); 5 Jul 2010 16:33:24 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 26647 invoked by uid 99); 5 Jul 2010 16:33:24 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Jul 2010 16:33:24 +0000 X-ASF-Spam-Status: No, hits=1.3 required=10.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL,URI_HEX X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 74.125.83.172 as permitted sender) Received: from [74.125.83.172] (HELO mail-pv0-f172.google.com) (74.125.83.172) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Jul 2010 16:33:18 +0000 Received: by pvd12 with SMTP id 12so3040670pvd.31 for ; Mon, 05 Jul 2010 09:31:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type; bh=/xv73JJcw/MsefprB/bpFaJOEFVaCwwAKmoh5fghp0c=; b=KlE40NmabHCC3Sucz2+kOWAYf1koCeP+NrLsZZ3JjW/V+JdcDBWTAYJ2s3GJKV9wYP HuyUmR0CoEyf9i3xuLOCKzoKAGdVfzr7wASwO3IYZUK4Cb1m1cF2cTvr/mPIQIivEc+R We7ZVDVbYTB7hg6TdWsm7fCBmRnjwMu0bdVig= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=JK56D4jFtes7XUp3joPPVVTw9OJ41KYp/aGhmTAhmkhN1z1bYvrGb+ZOkscjyUmFA3 +mfLCFzFq5q/3HXBmQgs6EDV907FSjI+jZtQYZwYRYao8RAmqyG+xDGX7wY5OKI1jRup k3LN0eNWuRuAj3CbueuttTh9b4JP3WHQ3Wv7E= Received: by 10.142.139.5 with SMTP id m5mr1773748wfd.91.1278347514441; Mon, 05 Jul 2010 09:31:54 -0700 (PDT) MIME-Version: 1.0 Received: by 10.143.28.5 with HTTP; Mon, 5 Jul 2010 09:31:34 -0700 (PDT) In-Reply-To: <1278284132568-5254415.post@n2.nabble.com> References: <1278284132568-5254415.post@n2.nabble.com> From: Jonathan Ellis Date: Mon, 5 Jul 2010 11:31:34 -0500 Message-ID: Subject: Re: tool modeling data of cassandra To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org No. The right approach with cassandra is to model your queries, rather than your relationships. On Sun, Jul 4, 2010 at 5:55 PM, StiPh wrote: > > Can you please tell whether there is a cassandra tool modeling data, which > provides a standard way to define the data and relations between them, > similar Entity-relation diagram in relational databases? > -- > View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/tool-modeling-data-of-cassandra-tp5254415p5254415.html > Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com. > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com