<div id="docs-body">
 <div class="section">
  <div class="titlepage">
   <div>
    <div>
     <h4 class="title">
      <a name="sys-schema-index-statistics">
      </a>
      30.4.3.25 The schema_index_statistics and x$schema_index_statistics Views
     </h4>
    </div>
   </div>
  </div>
  <a class="indexterm" name="idm46045062554000">
  </a>
  <a class="indexterm" name="idm46045062552544">
  </a>
  <a class="indexterm" name="idm46045062551040">
  </a>
  <a class="indexterm" name="idm46045062549536">
  </a>
  <p>
   These views provide index statistics. By default, rows are
          sorted by descending total index latency.
  </p>
  <p>
   The
   <a class="link" href="sys-schema-index-statistics.html" title="30.4.3.25 The schema_index_statistics and x$schema_index_statistics Views">
    <code class="literal">
     schema_index_statistics
    </code>
   </a>
   and
   <a class="link" href="sys-schema-index-statistics.html" title="30.4.3.25 The schema_index_statistics and x$schema_index_statistics Views">
    <code class="literal">
     x$schema_index_statistics
    </code>
   </a>
   views
          have these columns:
  </p>
  <div class="itemizedlist">
   <ul class="itemizedlist" style="list-style-type: disc; ">
    <li class="listitem">
     <p>
      <code class="literal">
       table_schema
      </code>
     </p>
     <p>
      The schema that contains the table.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       table_name
      </code>
     </p>
     <p>
      The table that contains the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       index_name
      </code>
     </p>
     <p>
      The name of the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       rows_selected
      </code>
     </p>
     <p>
      The total number of rows read using the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       select_latency
      </code>
     </p>
     <p>
      The total wait time of timed reads using the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       rows_inserted
      </code>
     </p>
     <p>
      The total number of rows inserted into the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       insert_latency
      </code>
     </p>
     <p>
      The total wait time of timed inserts into the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       rows_updated
      </code>
     </p>
     <p>
      The total number of rows updated in the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       update_latency
      </code>
     </p>
     <p>
      The total wait time of timed updates in the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       rows_deleted
      </code>
     </p>
     <p>
      The total number of rows deleted from the index.
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       delete_latency
      </code>
     </p>
     <p>
      The total wait time of timed deletes from the index.
     </p>
    </li>
   </ul>
  </div>
 </div>
 <br/>
</div>
