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<div class="section" id="introduction">
<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h1>
<p>You may either choose to use the “classic” PyGreSQL interface provided by
the <a class="reference internal" href="../pg/index.html#module-pg" title="pg"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pg</span></code></a> module or else the newer DB-API 2.0 compliant interface
provided by the <a class="reference internal" href="index.html#module-pgdb" title="pgdb"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pgdb</span></code></a> module.</p>
<p>The following part of the documentation covers only the newer <a class="reference internal" href="index.html#module-pgdb" title="pgdb"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pgdb</span></code></a> API.</p>
<p><strong>DB-API 2.0</strong> (Python Database API Specification v2.0)
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from Python that has been developed by the Python DB-SIG in 1999.
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<p class="last">A useful tutorial-like <a class="reference external" href="http://www2.linuxjournal.com/lj-issues/issue49/2605.html">introduction to the DB-API</a>
has been written by Andrew M. Kuchling for the LINUX Journal in 1998.</p>
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