/msdn2.microsoft.com/en-us/library/a28wyd50" target="_blank">System<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span></span>Boolean</a><br />
            If false and in a database configured for sorted duplicates,
            position the cursor at the smallest key greater than or equal to the
            specified key, permitting partial key matches and range searches.
            Otherwise, require the given key to mat