</th>
</tr>
<tr align=left>
  <td>Index maintenance</td>
  <td>X</td> <td>-</td> <td>-</td> <td>-</td>
</tr>
<tr align=left>
  <td>Basic scan</td>
  <td>X 1)</td> <td>-</td> <td>-</td> <td>-</td>
</tr>
<tr align=left>
  <td>Scan bounds on nullable attributes</td>
  <td>-</td> <td>X</td> <td>-</td> <td>-</td>
</tr>
<tr align=left>
  <td>Scan with locking</td>
  <td>-</td> <td>X</td> <td>-</td> <td>-</td>
</tr>
<tr align="left">
  <td>NDB ODBC equality bounds</td>
  <td>-</td> <td>X</td> <td>-</td> <td>-</td>