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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>This is the definition of the Normalisation process that I have been using<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:18.0pt;margin-left:36.0pt'><b><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>First Normal Form (1NF)<o:p></o:p></span></b></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>First normal form (1NF) sets the very basic rules for an organized database: <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l2 level1 lfo1'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Eliminate duplicative <a href="http://databases.about.com/library/glossary/bldef-column.htm"><span style='color:#3366CC'>columns</span></a> from the same table.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l2 level1 lfo1'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Create separate tables for each group of related data and identify each <a href="http://databases.about.com/library/glossary/bldef-row.htm"><span style='color:#3366CC'>row</span></a> with a unique column or set of columns (the <a href="http://databases.about.com/library/glossary/bldef-primarykey.htm"><span style='color:#3366CC'>primary key</span></a>).<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:18.0pt;margin-left:36.0pt'><b><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Second Normal Form (2NF)<o:p></o:p></span></b></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Second normal form (2NF) further addresses the concept of removing duplicative data: <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Meet all the requirements of the first normal form.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Remove subsets of data that apply to multiple rows of a table and place them in separate tables.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Create relationships between these new tables and their predecessors through the use of <a href="http://databases.about.com/library/glossary/bldef-foreignkey.htm"><span style='color:#3366CC'>foreign keys</span></a>.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:18.0pt;margin-left:36.0pt'><b><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Third Normal Form (3NF)<o:p></o:p></span></b></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Third normal form (3NF) goes one large step further: <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l1 level1 lfo3'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Meet all the requirements of the second normal form.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:49.5pt;text-indent:-18.0pt;mso-list:l1 level1 lfo3'><![if !supportLists]><span lang=EN style='font-size:10.0pt;font-family:Symbol;color:#333333'><span style='mso-list:Ignore'>&middot;<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span lang=EN style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:#333333'>Remove columns that are not <a href="http://databases.about.com/od/specificproducts/a/Database-Dependency.htm"><span style='color:#3366CC'>dependent</span></a> upon the primary key.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>In terms of Q6<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>1NF as per Peter&#8217;s example<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>2NF Split into three tables<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>3NF Get rid of the calculated field<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>It is a bit annoying that VCAA couldn&#8217;t prepare us for this sort of question and indeed wouldn&#8217;t even give us a definition of the process.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Mark Scott<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Luther College<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> itapps-bounces@edulists.com.au [mailto:itapps-bounces@edulists.com.au] <b>On Behalf Of </b>Peter Langham<br><b>Sent:</b> Wednesday, 14 November 2012 10:05 AM<br><b>To:</b> Year 12 IT Applications Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 IT Apps] NINE mark question??<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><o:p>&nbsp;</o:p></p><div><p class=MsoNormal style='margin-left:36.0pt'>Here's my attempt at the normalisation question<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>1NF -&nbsp;No lists of data in any cell. <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Divide the&nbsp;data in&nbsp;any of the memberName, memberAddress, driverName fields. <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>memberAddress becomes: memberAddress becomes memberAddress and memberPostcode<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>E.g. <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>memberAddress : 2 Hill St<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>memberSuburb : Richmond<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>This allows for more specific queries. E.g. Filtering data by Suburb.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>2NF - each non-key field must be fully dependent on the key<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>yearsWorked is dependent on driverName. Make a seperate table where driverName is the Primary Key and it is a Foreign Key in the memberName table.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Table 1: memberName, memberAddress, driverName (foreign key), carRate($), totalFee($)<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Table 2: driverName (primary key), yearsWorked<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>This ensures data integrity as the yearsWorked data would only need to be updated in the one cell now instead of multiple cells.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>3NF - every field in a table must relate directly to the primary key<br>carRate($) is dependent on the size of the car. I'd add a foreign key field to table1 carSize which would become a primary key field in the third table.<o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-left:36.0pt'>Table 1: memberName, memberAddress, driverName (foreign key), carSize (foreign key) <o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Table 2: driverName (primary key), yearsWorked<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Table 3: carSize, carRate($)<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>This leaves us with what I beleive&nbsp;should be&nbsp;a calculated field, totalFee($).<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>totalFee($): [yearsWorked]*[carRate($)]<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>I may have 2NF and 3NF in the wrong order.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Unfortunately, I didn't go over this in a lot of depth with my students, I expected that they would have the choice of which Normal Form they solved for, like the VCAA sample exam so we focused on 1NF more heavily than the other two normal forms.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-left:36.0pt'>Peter Langham<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>Narre Warren South P-12<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:36.0pt'>On Wed, Nov 14, 2012 at 9:30 AM, Mark Scott &lt;<a href="mailto:msc@luther.vic.edu.au" target="_blank">msc@luther.vic.edu.au</a>&gt; wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>Mark</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>It will be Q9 (the Normalisation one) that will be the one most poorly answered.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>I am looking forward to seeing your solution for that one.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt;font-family:Wingdings'>J</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>Mark Scott<br>Luther College</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'><span style='font-size:11.0pt'>&nbsp;</span><o:p></o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=400 style='width:300.0pt;margin-left:36.0pt'><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#184689'>Mark Scott </span></b><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#184689'><br></span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#184689'>Daily Administrator<br></span><span style='font-size:5.5pt;font-family:"Arial","sans-serif";color:white'>Luther</span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#808285'>Plymouth Road<br>Croydon Hills Victoria 3136<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:5.5pt;font-family:"Arial","sans-serif";color:white'>Luther</span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#808285'>Telephone (03) 9724 2000<br>Direct Line (03) 9724 2023 <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#808285'><a href="http://www.luther.vic.edu.au/" target="_blank"><span style='color:#808285;text-decoration:none'>www.luther.vic.edu.au</span></a> <o:p></o:p></span></p></div></div></td><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><a href="http://www.luther.vic.edu.au/" target="_blank"><span style='font-family:"Arial","sans-serif";text-decoration:none'><img border=0 width=143 height=143 id="_x0000_i1025" src="cid:image001.png@01CDC255.469597F0" alt="Luther College" name="13afbe52e1922852_luther"></span></a><o:p></o:p></p></td></tr></table><div style='margin-top:7.5pt;float:left'><p class=MsoNormal style='margin-left:36.0pt'><b><span style='font-size:7.0pt;font-family:"Arial","sans-serif";color:#CA003A'>Please consider the environment before printing this email.</span></b><o:p></o:p></p><p style='mso-margin-top-alt:3.75pt;margin-right:0cm;margin-bottom:5.0pt;margin-left:36.0pt;line-height:110%'><span style='font-size:7.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#808285'>This email and any attachments may contain privileged and confidential information. <br>If you are not the intended recipient you may not distribute or reproduce this email <br>or attachments. If you have received this message in error please notify us by return mail.<o:p></o:p></span></p></div><p class=MsoNormal style='margin-left:36.0pt'><br clear=all><o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><o:p>&nbsp;</o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:itapps-bounces@edulists.com.au" target="_blank">itapps-bounces@edulists.com.au</a> [mailto:<a href="mailto:itapps-bounces@edulists.com.au" target="_blank">itapps-bounces@edulists.com.au</a>] <b>On Behalf Of </b>Mark KELLY<br><b>Sent:</b> Wednesday, 14 November 2012 9:15 AM<br><b>To:</b> Year 12 IT Applications Teachers' Mailing List<br><b>Subject:</b> [Year 12 IT Apps] NINE mark question??</span><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'>&nbsp;<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'>I wonder what the logic was behind changing the eight mark question into a nine mark question.<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'>&nbsp;<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'>Was it something like, &quot;Let's take the question that was most poorly answered last year and make it even more difficult.&quot; ?<br clear=all><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt'>&nbsp;<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:72.0pt'>-- <br>Mark Kelly - <a href="mailto:kel@mckinnonsc.vic.edu.au" target="_blank">kel@mckinnonsc.vic.edu.au</a><br>Manager of ICT, Reporting, IT Learning Area<br>McKinnon Secondary College, McKinnon Rd, McKinnon 3204, Victoria, Australia<br>Phone: <a href="tel:%2B613%208520%209085" target="_blank">+613 8520 9085</a>, Fax <a href="tel:%2B613%209578%209253" target="_blank">+613 9578 9253</a><br>VCE IT Lecture Notes: <a href="http://vceit.com/" target="_blank">http://vceit.com</a><br>Moderator: <a href="http://edulists.com.au/itapps/index.htm" target="_blank">IT Applications Edulist</a><br>Visit Diigo links for <a href="http://groups.diigo.com/group/vce-info-tech" target="_blank">ITA</a> and <a href="http://groups.diigo.com/group/vce-sd" target="_blank">SD</a><br>--<br>My personal best for the 100 metre sprint is 11.9 metres.<br><br><o:p></o:p></p></div></div></div></div></div></div><p class=MsoNormal style='margin-left:36.0pt'><br>_______________________________________________<br><a href="http://www.edulists.com.au/" target="_blank">http://www.edulists.com.au</a> - FAQ, resources, subscribe, unsubscribe<br>IT Applications Mailing List kindly supported by<br><a href="http://www.vcaa.vic.edu.au/vce/studies/infotech/itapplications3-4.html" target="_blank">http://www.vcaa.vic.edu.au/vce/studies/infotech/itapplications3-4.html</a> - Victorian Curriculum and Assessment Authority &lt;br&gt;<br><a href="http://www.vitta.org.au/" target="_blank">http://www.vitta.org.au</a> &nbsp;- VITTA Victorian Information Technology Teachers Association Inc &lt;br&gt;<br><a href="http://www.swinburne.edu.au/ict/schools" target="_blank">http://www.swinburne.edu.au/ict/schools</a> - Swinburne University<o:p></o:p></p></div><p class=MsoNormal style='margin-left:36.0pt'><o:p>&nbsp;</o:p></p></div></body></html>