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      <h1>Omnidex Concepts</h1>
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      <p><a href="#change">Changing an Index Installation</a></p>
      <p class="line">&nbsp;</p>
      <p>Index Maintenance</p>
      <p><a href="Installing%20the%20Indexes.htm">Installing the Indexes</a></p>
      <p><a href="Building%20the%20Indexes.htm">Building the Indexes</a></p>
      <p><a href="Updating%20the%20Indexes.htm">Updating the Indexes</a></p>
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      <p><a href="../../Utilities/DBINSTAL/DBINSTAL.htm">DBINSTAL</a></p>
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      <h2>Index Maintenance</h2>
      <p>Maintaining Omnidex indexes is done in several ways and varies depending 
        on the application.</p>
      <p>It is important to remember that creating Omnidex indexes is a two step 
        process: installing and building. Each step is a completely separate process 
        that must be completed in order to gain the benefits provided with Omnidex. 
        Both steps do not necessarily have to be done together. However, the indexes 
        must be installed prior to building them.</p>
      <p>After the indexes have been <a href="Installing%20the%20Indexes.htm">installed</a> 
        and <a href="Building%20the%20Indexes.htm">built</a>, they must be maintained, 
        updated as the underlying data is updated. Omnidex provides three options 
        for this type of maintenance, all of which are discussed in <a href="Updating%20the%20Indexes.htm">Updating 
        the Indexes</a>. </p>
      <p class="line">&nbsp;</p>
      <h3><a name="change"></a>Changing an Index Installation</h3>
      <p>When adding, deleting or changing an index or its options, the indexes 
        must be reinstalled and rebuilt. In this situation, an installation batch 
        file is invaluable.</p>
      <p>Edit the installation batch file from the original installation to reflect 
        the current changes then run the new batch installation. This saves time 
        and reduces the possibility of error.</p>
      <p>Remember to reindex all domains and ASK indexes after the installation 
        is changed.</p>
      <p>&nbsp;</p>
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