>PermazenTransaction.querySchemaIndex()</code></a>
      - Get database objects grouped according to their schema versions</li>
 </ul>

 <p>
 <b>Simple and Composite Indexes</b>

 <p>
 A simple index on a single field value is created by setting <code>indexed="true"</code> on the
 <a href="../annotation/PermazenField.html" title="annotation interface in io.permazen.annotation"><code>&#64;PermazenField</code></a> annotation.

 <p>
 Composite indexes on multiple fields are also supported. These are useful whe