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<title>Database | Documentation | Lektor Static Content Management System</title>
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<li class="active"><a href="./">Database</a>
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<li><a href="asset/">Asset</a>
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<li><a href="types/">Builtin Field Types</a>
<li><a href="expression/">Expression</a>
<li><a href="f/">F</a>
<li><a href="get-alts/">get_alts()</a>
<li><a href="pad/">Pad</a>
<li><a href="query/">Query</a>
<li><a href="record/">Record</a>
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<div class="col-sm-9 doc-styling">
<h1>Database</h1>
<ul class=page-meta>
</ul>
<p>While Lektor does not have a real traditional SQL database, it has a tree
based data layer which is internally called the database. It's a very
powerful tool for building websites and is accessible from plugin API,
the <code>shell</code> command as well as from within the templates.</p>
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<div class="col-md-6 child">
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<a href="asset/">Asset</a>
</h4>
<p class="summary">Static assets, copied verbatim to the output.</p>
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<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-list-alt"></i>
<a href="types/">Builtin Field Types</a>
</h4>
<p class="summary">An overview of all the field types supported in Lektor.</p>
</div>
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</div>
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<div class="col-md-6 child">
<h4>
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<a href="expression/">Expression</a>
</h4>
<p class="summary">Represents filter expressions for the query system.</p>
</div>
<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-leaf"></i>
<a href="f/">F</a>
</h4>
<p class="summary">Helper object to refer to fields in query filters.</p>
</div>
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</div>
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<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-cog"></i>
<a href="get-alts/">get_alts()</a>
</h4>
<p class="summary">Helper function to return the list of alternatives for a source</p>
</div>
<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-leaf"></i>
<a href="pad/">Pad</a>
</h4>
<p class="summary">The basic interface to querying the database.</p>
</div>
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</div>
<div class="row">
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<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-leaf"></i>
<a href="query/">Query</a>
</h4>
<p class="summary">Provides functionality to query the database.</p>
</div>
<div class="col-md-6 child">
<h4>
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<a href="record/">Record</a>
</h4>
<p class="summary">Specific features of pages and attachments.</p>
</div>
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</div>
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<div class="col-md-6 child">
<h4>
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<a href="obj/">SourceObject</a>
</h4>
<p class="summary">The basic interface of all source objects.</p>
</div>
<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-list-alt"></i>
<a href="system-fields/">System Fields</a>
</h4>
<p class="summary">The complete list of system fields in Lektor</p>
</div>
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</div>
<div class="row">
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<div class="col-md-6 child">
<h4>
<i class="glyphicon glyphicon-leaf"></i>
<a href="type/">Type</a>
</h4>
<p class="summary">The base class for all field types.</p>
</div>
</div>
</div>
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<h2>Comments</h2>
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