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 <volume>13</volume>
 <number>2</number>
 <month>January</month>
 <year>1983</year>
 <sectionList>
  <sectionListTuple>
 <sectionName SectionPosition="00"></sectionName>
    <articles>
     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Stonebraker83.html">
          	<title articleCode="197015">Chairman's Column.</title>
          </toArticle>
 <initPage>1</initPage>
 <endPage>3</endPage>
          <authors>
 <author AuthorPosition="00">Michael Stonebraker</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Cook83.html">
          	<title articleCode="368016">Editor's Notes.</title>
          </toArticle>
 <initPage>3</initPage>
 <endPage>3</endPage>
          <authors>
 <author AuthorPosition="00">Thomas J. Cook</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Selinger83.html">
          	<title articleCode="602017">Notes from the Vice Chairperson.</title>
          </toArticle>
 <initPage>4</initPage>
 <endPage>5</endPage>
          <authors>
 <author AuthorPosition="00">Patricia G. Selinger</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/CfP83.html">
          	<title articleCode="164018">Call for Papers: Database Week 1983, SSDBM 1983, Parallel Processing 1983, SIGPC/SIGSMALL 1983, ASIS 1982, NECC 1983, ICOD-2, PODS 1983.</title>
          </toArticle>
 <initPage>6</initPage>
 <endPage>18</endPage>
          <authors>
 <author AuthorPosition="00">Patricia G. Selinger</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/AgrawalCD83.html">
          	<title articleCode="334019">Deadlock Detection is Cheap.</title>
          </toArticle>
 <initPage>19</initPage>
 <endPage>34</endPage>
          <authors>
 <author AuthorPosition="00">Rakesh Agrawal</author>
 <author AuthorPosition="01">Michael J. Carey</author>
 <author AuthorPosition="02">David J. DeWitt</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Klonk83.html">
          	<title articleCode="235020">Comments on Optimality of B-Trees.</title>
          </toArticle>
 <initPage>35</initPage>
 <endPage>38</endPage>
          <authors>
 <author AuthorPosition="00">Juergen Klonk</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Merrett83.html">
          	<title articleCode="948021">Why Sort-Merge Gives the Best Implementation of the Natural Join.</title>
          </toArticle>
 <initPage>39</initPage>
 <endPage>51</endPage>
          <authors>
 <author AuthorPosition="00">T. H. Merrett</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Effelsberg83.html">
          	<title articleCode="455022">Fixing Pages in Database Buffer.</title>
          </toArticle>
 <initPage>52</initPage>
 <endPage>59</endPage>
          <authors>
 <author AuthorPosition="00">Wolfgang Effelsberg</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Sinha83.html">
          	<title articleCode="261023">Constraints: Consistency and Integrity.</title>
          </toArticle>
 <initPage>60</initPage>
 <endPage>63</endPage>
          <authors>
 <author AuthorPosition="00">Mukul K. Sinha</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Kilov83.html">
          	<title articleCode="90024">An Approach to the User Interface and Semantic Integrity for a Relational DBMS.</title>
          </toArticle>
 <initPage>64</initPage>
 <endPage>71</endPage>
          <authors>
 <author AuthorPosition="00">Haim Kilov</author>
          </authors>
     </articlesTuple>

     <articlesTuple>
          <toArticle href="http://www.informatik.uni-trier.de/~ley/db/journals/sigmod/Piatetsky-Shapiro83.html">
          	<title articleCode="861025">The Optimal Selection of Secondary Indices is NP-Complete.</title>
          </toArticle>
 <initPage>72</initPage>
 <endPage>75</endPage>
          <authors>
 <author AuthorPosition="00">Gregory Piatetsky-Shapiro</author>
          </authors>
     </articlesTuple>

    </articles>
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