<surname>Melton</surname>
     </author>
     <author>
      <firstname>Alan R.</firstname>
      <surname>Simon</surname>
     </author>
    </authorgroup>
    <isbn>1-55860-245-3</isbn>
    <publisher>
     <publishername>Morgan Kaufmann</publishername>
    </publisher>
    <pubdate>1993</pubdate>
   </biblioentry>

   <biblioentry id="ull88">
    <title>Principles of Database and Knowledge-Base Systems</title>
    <subtitle>Classical Database Systems</subtitle>
    <authorgroup>
     <author>
      <firstname>Jeffrey D.</firstname>
      <surname>Ullman</surname>
     </author>
    </authorgroup>
    <volumenum>Volume 1</volumenum>
    <publisher>
     <publishername>Computer Science Press</publishername>
    </publisher>
    <pubdate>1988</pubdate>
   </biblioentry>

   <biblioentry id="sqltr-19075-6">
    <title>SQL Technical Report</title>
    <subtitle>Part 6: SQL support for JavaScript Object
      Notation (JSON)</subtitle>
    <edition>First Edition</edition>
    <pubdate>2017</pubdate>
   </biblioentry>

  </bibliodiv>

  <bibliodiv>
   <title>PostgreSQL-specific Documentation</title>

   <biblioentry id="sim98">
    <title>Enhancement of the ANSI SQL Implementation of PostgreSQL</title>
    <authorgroup>
     <author>
      <firstname>Stefan</firstname>
      <surname>Simkovics</surname>
<!--
Paul-Peters-Gasse 36
2384 Breitenfurt
AUSTRIA
ssimkovi@ag.or.at
-->
     </author>
    </authorgroup>
<!--
    <othercredit>
     <contrib>
      with support by
     </contrib>
     <honorific>O. Univ. Prof. Dr.</honorific>
     <firstname>Georg</firstname>
     <surname>Gottlob</surname>
     <honorific>Univ. Ass. Mag.</honorific>
     <firstname>Katrin</firstname>
     <surname>Seyr</surname>
    </othercredit>
-->
    <abstract>
     <para>
      Discusses SQL history and syntax, and describes the addition of
      <literal>INTERSECT</literal> and <literal>EXCEPT</literal> constructs into
      <productname>PostgreSQL</productname>.  Prepared as a Master's
      Thesis with the support of O. Univ. Prof. Dr. Georg Gottlob and
      Univ. Ass. Mag. Katrin Seyr at Vienna University of Technology.
     </para>
    </abstract>

    <publisher>
     <publishername>Department of Information Systems, Vienna University of Technology</publishername>
     <address>Vienna, Austria</address>
    </publisher>
    <pubdate>November 29, 1998</pubdate>
   </biblioentry>

   <biblioentry id="yu95">
    <title>The <productname>Postgres95</productname> User Manual</title>
    <authorgroup>
     <author>
      <firstname>A.</firstname>
      <surname>Yu</surname>
     </author>
     <author>
      <firstname>J.</firstname>
      <surname>Chen</surname>
     </author>
    </authorgroup>
    <publisher>
     <publishername>University  of  California</publishername>
     <address>Berkeley, California</address>
    </publisher>
    <pubdate>Sept. 5, 1995</pubdate>
   </biblioentry>

  <biblioentry id="fong">
   <title><ulink url="https://dsf.berkeley.edu/papers/UCB-MS-zfong.pdf">The
   design and implementation of the <productname>POSTGRES</productname> query
   optimizer</ulink></title>
   <author>
    <firstname>Zelaine</firstname>
    <surname>Fong</surname>
   </author>
   <publisher>
    <publishername>University of California, Berkeley, Computer Science Department</publishername>
   </publisher>
  </biblioentry>

  </bibliodiv>

  <bibliodiv>
   <title>Proceedings and Articles</title>

   <biblioentry id="berenson95">
    <biblioset relation="article">
     <title><ulink url="https://www.microsoft.com/en-us/research/wp-content/uploads/2016/02/tr-95-51.pdf">A Critique of ANSI SQL Isolation Levels</ulink></title>
     <authorgroup>
      <author>
       <firstname>H.</firstname>
       <surname>Berenson</surname>
      </author>
      <author>
       <firstname>P.</firstname>
       <surname>Bernstein</surname>
      </author>
      <author>
       <firstname>J.</firstname>
       <surname>Gray</surname>
      </author>
      <author>
       <firstname>J.</firstname>