ase operations like searches and updates on records; and</li>
            <li>converting between programming language structures and database record
types in the application.</li>
          </ul>
        </div>
        <p>The second service is <span class="emphasis"><em>data management</em></span>. Data management is
more complicated than data access. Providing good data management
services is the hard part of building a database system.  When you
choose a database system to use in an application you build,