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<title>Ultimate Debian Database (UDD)</title>
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<h1>Ultimate Debian Database (UDD)</h1>
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<h2>General information</h2>
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<p>Ultimate Debian Database (UDD) gathers a lot of data about various
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aspects of <a href="http://www.debian.org">Debian</a> in a single SQL
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database. It allows users to easily access and combine all this data.</p>
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<p>You can have a look at the <a href="http://udd.debian.org/schema/">UDD
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Schema</a>.</p>
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<p>More information about UDD are collected on the
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<a href="http://wiki.debian.org">Debian Wiki</a> at
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<a href="http://wiki.debian.org/UltimateDebianDatabase"><tt>wiki.debian.org/UltimateDebianDatabase</tt></a>.
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<h2>Examples</h2>
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<p>Some example queries are provided as CGI scripts, to make it easy for
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everyone to run them. You can <a href="cgi-bin/">browse them</a> or <a
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href="http://svn.debian.org/viewsvn/collab-qa/udd/web/cgi-bin/">view
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the source code</a>.</p>
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<p>There are also some more complex "applications" using UDD:</p>
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<ul>
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<li><a href="cgi-bin/bapase.cgi">Bapase</a> allows to search for "interesting" packages using various criterias</li>
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<li><a href="cgi-bin/sponsorstats.cgi">SponsorStats</a> gives some statistics about who is sponsoring uploads to Debian</li>
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</ul>
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<h2>Timing information</h2>
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<p>If you want to know when UDD is being updated, you can check the <a
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href="crontabs.txt">crontab file</a>. The <i>timestamps</i> table can
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tell you when a data source was last updated.</p>
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<h2>Database dump</h2>
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<p>A full dump of the database, generated every two days, is <a href="udd.sql.gz">also available</a>. Be careful, it's quite big (400 MB gzipped, and growing).</p>
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