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      <h1>Appendix</h1>
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      <h2>Glossary - H</h2>
	  <p align="center"><a href="Glossary%20A.htm" class="gold">A</a> 
                    <a href="Glossary%20B.htm" class="gold">B</a> <a href="Glossary%20C.htm" class="gold">C</a> 
                    <a href="Glossary%20D.htm" class="gold">D</a> <a href="Glossary%20E.htm" class="gold">E</a> 
                    <a href="Glossary%20F.htm" class="gold">F</a> <a href="Glossary%20G.htm" class="gold">G</a> 
                    <a href="Glossary%20H.htm" class="gold">H</a> <a href="Glossary%20I.htm" class="gold">I</a> 
                    <a href="Glossary%20J.htm" class="gold">J</a> <a href="Glossary%20K.htm" class="gold">K</a> 
                    <a href="Glossary%20L.htm" class="gold">L</a> <a href="Glossary%20M.htm" class="gold">M</a> 
                    <a href="Glossary%20N.htm" class="gold">N</a> <a href="Glossary%20O.htm" class="gold">O</a> 
                    <a href="Glossary%20P.htm" class="gold">P</a> <a href="Glossary%20Q.htm" class="gold">Q</a> 
                    <a href="Glossary%20R.htm" class="gold">R</a> <a href="Glossary%20S.htm" class="gold">S</a> 
                    <a href="Glossary%20T.htm" class="gold">T</a> <a href="Glossary%20U.htm" class="gold">U</a> 
                    <a href="Glossary%20V.htm" class="gold">V</a> <a href="Glossary%20W.htm" class="gold">W</a> 
                    <a href="Glossary%20X.htm" class="gold">X</a> <a href="Glossary%20Y.htm" class="gold">Y</a> 
                    <a href="Glossary%20Z.htm" class="gold">Z</a></p>
                  <p><a href="#hashedaccess"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">hashed 
                    access</a></p>
                  <p><a href="#hashedkey"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">hashed 
                    key</a></p>
                  <p><a href="#hashing"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">hashing</a></p>
                  <p><a href="#having"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">having</a></p>
                  <p><a href="#highcardinality"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">high 
                    cardinality</a></p>
                  <p><a href="#highwatermark"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">high-water 
                    mark</a></p>
                  <p><a href="#hints"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">hints</a></p>
                  <p><a href="#host"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">host</a></p>
                  <p><a href="#hostsfile"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">hosts 
                    file</a></p>
                  <p><a href="#hppa"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">HPPA</a></p>
                  <p><a href="#hybriddr"><img src="../images/arrow2.gif" width="9" height="9" hspace="5" border="0">Hybrid 
                    DR</a></p>
                  <p class="line">&nbsp;</p>
                  <h6><a name="hashedaccess"></a>hashed access</h6>
                  <ul>
                    <li> 
                      <p>See direct access.</p>
                    </li>
                  </ul>
                  <h6> <a name="hashedkey"></a>hashed key</h6>
                  <ul>
                    <li>a database key facilitating direct access to data on a 
                      storage device. See key and direct access.</li>
                  </ul>
                  <h6> <a name="hashing"></a>hashing</h6>
                  <ul>
                    <li>an indexing technique where an algorithm is used to calculate 
                      the location of a row or record, requiring a full key look-up 
                      and an exact match, including upper and lower case characters, 
                      spaces, and punctuation.</li>
                  </ul>
                  <h6> <a name="having"></a>having</h6>
                  <ul>
                    <li>An SQL statement clause that allows additional criteria 
                      to be applied to an SQL statement after the WHERE and GROUP 
                      BY clauses have been processed. The HAVING clause is generally 
                      used to apply criteria to an aggregation as in &quot;SUM(ORDERS.TOTAL)&gt;10&quot;.</li>
                  </ul>
                  <h6> <a name="highcardinality"></a>high cardinality</h6>
                  <ul>
                    <li>(1) High table cardinality indicates a large number of 
                      records in a table, a Sales Fact table for example.</li>
                    <li>(2) High column cadinality indicates many possible unique 
                      values in a column. For example, names, addresses, account 
                      balances, product inventories, etc. See cardinality.</li>
                  </ul>
                  <h6> <a name="highwatermark"></a>high-water mark</h6>
                  <ul>
                    <li>See serial read.</li>
                  </ul>
                  <h6> <a name="hints"></a>hints</h6>
                  <ul>
                    <li>a method of forcing the Omnidex Optimizer to use a particular 
                      retrieval method, in a star schema database environment, 
                      for example.</li>
                  </ul>
                  <h6> <a name="host"></a>host</h6>
                  <ul>
                    <li>a generic term for any device that allows communication 
                      from an outside source.</li>
                  </ul>
                  <h6> <a name="hostsfile"></a>hosts file</h6>
                  <ul>
                    <li>a file containing a cross reference between names for 
                      computers in a network and their physical network addresses, 
                      resident on the computer specified as the domain name server. 
                      See domain name server.</li>
                  </ul>
                  <h6> <a name="hppa"></a>HPPA</h6>
                  <ul>
                    <li>Hewlett Packard Precision Architecture; a RISC architecture 
                      used in series 9nn computers.</li>
                  </ul>
                  <h6> <a name="hybriddr"></a>Hybrid DR</h6>
                  <ul>
                    <li>Hybrid Detail Record; a variation of a multi-domain child, 
                      providing the ability to index a child table as a DR domain 
                      or in an SI domain. See DR domain and SI domain.</li>
                  </ul>
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