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    <h1>Database</h1>
  


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      <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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                <p class="summary">Static assets, copied verbatim to the output.</p>
              
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                <a href="types/">Builtin Field Types</a>
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                <p class="summary">An overview of all the field types supported in Lektor.</p>
              
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                <a href="expression/">Expression</a>
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                <p class="summary">Represents filter expressions for the query system.</p>
              
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                <p class="summary">The basic interface to querying the database.</p>
              
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                <a href="record/">Record</a>
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                <p class="summary">Specific features of pages and attachments.</p>
              
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                <a href="system-fields/">System Fields</a>
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                <p class="summary">The complete list of system fields in Lektor</p>
              
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                <a href="type/">Type</a>
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                <p class="summary">The base class for all field types.</p>
              
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