n class="Other">:</span> <span class="Identifier">Dbi</span>
</pre></dt>
<dd>

A key-value database in a memory-mapped on-disk storage location.

</dd>
</div>
<div id="Transaction">
<dt><pre><a href="limdb.html#Transaction"><span class="Identifier">Transaction</span></a> <span class="Other">=</span> <span class="Keyword">object</span>
  <span class="Identifier">txn</span><span class="Operator">*</span><span class="Other">:</span> <span class="Identifier">LMDBTxn</span>
  <span class="Identifier">dbi</span><