MESSAGE
DATE | 2014-12-18 |
FROM | Sergei Glikstein
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SUBJECT | Re: [LIU Comp Sci] Normalization review
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From owner-learn-outgoing-at-mrbrklyn.com Thu Dec 18 22:20:57 2014 Return-Path: X-Original-To: archive-at-mrbrklyn.com Delivered-To: archive-at-mrbrklyn.com Received: by mrbrklyn.com (Postfix) id 28B8A161167; Thu, 18 Dec 2014 22:20:57 -0500 (EST) Delivered-To: learn-outgoing-at-mrbrklyn.com Received: by mrbrklyn.com (Postfix, from userid 28) id 15CDA161169; Thu, 18 Dec 2014 22:20:56 -0500 (EST) Delivered-To: learn-at-mrbrklyn.com Received: from mail-lb0-f169.google.com (mail-lb0-f169.google.com [209.85.217.169]) by mrbrklyn.com (Postfix) with ESMTP id 6BC95161167 for ; Thu, 18 Dec 2014 22:20:55 -0500 (EST) Received: by mail-lb0-f169.google.com with SMTP id p9so144356lbv.28 for ; Thu, 18 Dec 2014 19:20:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=tTk9SW2kWTHaSuGLd8ExNkPaE1hR34oSODbYUXUOkCA=; b=inxhRiJQanCB6OC+Sb21ZXAkTDxl7/jzDeyGCOI0rxgoy6zpLgeDC7OGTxaceJYetV lHCnyVadzdVC6fVU8buCZdX0cksO54iwriIXYZ7Nw8AjKVlhsJIBXhT+/F/dOg3y9L93 gqVGcKEx/SQAUL6q5B0JZjGgpCtKfduvqLcrMv4nyIEy0/+W1IU4HUp/ONHwo82Pknae iWXLHDH4dbgo8iY/QdJO1FVNR8RUCnodRQScRDXwGFWA4sEgQDWz2KAdaEoWEQ5c2fiJ 6wr8WCTNS1wFCvtE+Cx2aJFzCDhx7ybs+lrZfwMEzHKpyQobIa2muJr5foKAXVWHU1Iu fYCw== MIME-Version: 1.0 X-Received: by 10.152.238.1 with SMTP id vg1mr5510536lac.83.1418959254052; Thu, 18 Dec 2014 19:20:54 -0800 (PST) Received: by 10.25.28.132 with HTTP; Thu, 18 Dec 2014 19:20:53 -0800 (PST) In-Reply-To: <20141219032028.4F211161169-at-mrbrklyn.com> References: <20141219032028.4F211161169-at-mrbrklyn.com> Date: Thu, 18 Dec 2014 19:20:53 -0800 Message-ID: Subject: Re: [LIU Comp Sci] Normalization review From: Sergei Glikstein To: learn-at-mrbrklyn.com Content-Type: multipart/alternative; boundary=001a1134930e49eab1050a893221 Sender: owner-learn-at-mrbrklyn.com Precedence: bulk Reply-To: learn-at-mrbrklyn.com
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horrible! you?
On Thu, Dec 18, 2014 at 7:20 PM, wrote: > > How'd you do > > > > -- Sent from my HP TouchPad > ------------------------------ > On Dec 18, 2014 1:35 PM, Sergei Glikstein wrote: > http://psoug.org/reference/normalization.html > > On Thu, Dec 18, 2014 at 1:08 PM, Ruben Safir wrote: >> >> Do you have HIS definition for BCNF because if I recall, he said it was >> exclusive to himself since it is defined in different places >> differently. >> >> >> >> On Thu, Dec 18, 2014 at 11:59:18AM -0500, maneeshkongara wrote: >> > A table in 2NF is free of Functional Dependencies and a table in 3NF is >> > free of transitive deprecates along with functional dependencies. >> > On Dec 18, 2014 11:56 AM, "Ruben Safir" wrote: >> > >> > > what exactly is the difference between the 2nd and 3rd NF >> > > >> > > Ruben >> > > >> > > On Thu, Dec 18, 2014 at 11:09:16AM -0500, Ruben Safir wrote: >> > > > is a foriegn key a dependedncy for a relation with a seperae primary >> > > > key? >> > > > >> > > > >> > > > >> > > > Like Course has a cno primary and a deptno foreign key. >> > > > >> > > > >> > > > On Thu, Dec 18, 2014 at 10:50:31AM -0500, Sergei Glikstein wrote: >> > > > > where is that? >> > > > > >> > > > > On Thu, Dec 18, 2014 at 10:45 AM, Ruben Safir >> > >> > > wrote: >> > > > > > >> > > > > > On Thu, Dec 18, 2014 at 10:39:29AM -0500, Sergei Glikstein >> wrote: >> > > > > > > i am in the library upstairs >> > > > > > > >> > > > > > > On Thu, Dec 18, 2014 at 10:34 AM, Ruben Safir < >> mrbrklyn-at-panix.com> >> > > > > > wrote: >> > > > > > > > >> > > > > > > > Anyone want to review normalization? >> > > > > > > > >> > > > > > > > Ruben >> > > > > > > > >> > > > > > > > >> > > > > > >> > > > > > >> > > > > > why not come here so I can pick your brain without distractions >> and >> > > with >> > > > > > a network that functions. >> > > > > > >> > > > > > Everytime i go to that damn libvrary i waste my time >> > > > > > >> > > > > > Ruben >> > > > > > >> > > > > > BTW - you know IRC - xchat? >> > > > > > >> > > > > > Ruben >> > > > > > >> > > > > > >> > > >> >
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