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    <td align="right" class="bar"> <!-- InstanceBeginEditable name="Section Title" --> 
      <h1>Omnidex Concepts - Indexing Options</h1>
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      <p><a href="#create">Create a Translation Table</a></p>
      <p><a href="#load">Load a Translation Table</a></p>
      <p>&nbsp;</p>
      <!-- InstanceEndEditable --></td>
    <td valign="top" class="content"> <!-- InstanceBeginEditable name="Content" --> 
      <h2>Translation Table</h2>
      <p>Omnidex translates 8-bit extended ASCII characters from position 160 
        to 255 in the ASCII collating sequence. A translation table allows customization 
        of these translations and supports any of the 8-bit character sets like 
        Greek8 or Kana8.</p>
      <p>Translations occur when the indexes are built and during all subsequent 
        searches on that index. For instance, when the indexes are being built, 
        if the translation table defines the character &eacute; to be translated 
        to e, the word entr&eacute;e will be stored as entree, in the Omnidex 
        indexes. Furthermore, a search for both entr&eacute;e and entree against 
        those indexes, will qualify any records that contained the word entr&eacute;e.</p>
      <p>The T or Translate option is a database-level indexing option that applies 
        a custom translation table to all Omnidex indexes in the installation 
        that do not have the ;NT (No Translate) option installed on them. </p>
      <p><br>
        The ;NT (No Translate) prevents indexed values from being upshifted. When 
        excluding words for No Translate indexes, it will be necessary to include 
        the different case sensitive spellings of the excluded word. For example, 
        if &#8220;CO&#8221; is an excluded word, the keyword &#8220;Co&#8221; 
        is still indexed for any No Translate indexes unless &quot;Co&quot; is 
        included in the excluded words list.</p>
      <p>Because the translation table affects the contents of the Omnidex indexes, 
        the translation table should be loaded before building the indexes. Otherwise, 
        the indexes will have to be rebuilt after the translation table is loaded.</p>
      <p><img src="../../images/note.gif" width="12" height="15">DISC recommends 
        that the following special characters NOT be redefined:</p>
      <p class="ex">+ (plus)<br>
        , (comma)<br>
        - (minus)<br>
        : (colon)<br>
        * (asterisk)<br>
        ? (question mark)<br>
        $ (dollar sign)<br>
        &amp; (ampersand)<br>
        ^ (carat)<br>
        &lt; (less than)<br>
        &gt; (greater than)<br>
        = (equal)</p>
      <p>These characters are used internally by Omnidex for Boolean operators, 
        ranges, wild cards, and so on.</p>
      <p class="line">&nbsp;</p>
      <h3><a name="create"></a>Create a Translation Table</h3>
      <p>To create a translation table, create an ASCII text file with 255 lines, 
        one for each character in the ASCII collating sequence. </p>
      <ul>
        <li>For each character to be translated to a different ASCII counterpart, 
          place the desired ASCII character in column 1 of the line that corresponds 
          to the 8-bit character's position in the collating sequence. </li>
        <li>To leave a character untranslated, enter a backslash ( \ ). A backslash 
          ( \ ) in a line means the corresponding character is not translated 
          at all, even if it is an 8-bit character or in lower case. Therefore, 
          a character cannot be redefined to be blank or a backslash. </li>
        <li>To use the default translation for that character, leave the line 
          blank. </li>
        <li>The first 32 ASCII characters, which are control codes, cannot be 
          redefined. They are translated to blanks regardless of what is specified 
          in lines 1 through 32 of the translation table. </li>
        <li>Although some characters may represent the combination of two letters, 
          note that they can only be translated to one ASCII character. Thus &#8220;&szlig;&#8221; 
          (the German equivalent of &#8220;ss&#8221; or &#8220;sz&#8221;) can 
          only be &#8220;s&#8221; or &#8220;z&#8221; but not &#8220;ss&#8221; 
          or &#8220;sz&#8221;. </li>
        <li>The translation of these characters cannot be overriden. </li>
      </ul>
      <p>For example, the Greek8 letter &#8220;F&#8221;, which Omnidex translates 
        as a Roman &#8220;O&#8221; (upper case) by default, occupies position 
        214 in the ASCII collating sequence. To define &#8220;F&#8221; as a Roman 
        &#8220;F&#8221;, type the ASCII character F in column 1 of line 214. To 
        translate the lower case &#8220;phi&#8221;( f )to &#8220;f&#8221;, type 
        an f on the appropriate line in collating sequence (here, line 230). Lines 
        211 through 230 of the translation table might look like this.</p>
      <p class="ex">.<br>
        .<br>
        211<br>
        212<br>
        213<br>
        214 F<br>
        215<br>
        216<br>
        217<br>
        218<br>
        219<br>
        220<br>
        221<br>
        222<br>
        223<br>
        224<br>
        225<br>
        226<br>
        227<br>
        228<br>
        229<br>
        230 f<br>
        .<br>
        .</p>
      <p class="line">&nbsp;</p>
      <h3><a name="load"></a>Loading a Translation Table</h3>
      <p>To load the translation table, enter T at the Cmd: prompt. DBINSTAL will 
        prompt for the file that contains the translation table. The sample listing 
        below shows how to use the TRANSLATE command to load a translation table 
        named &#8220;ttable&#8221;:</p>
      <p class="ex">Cmd: T<br>
        Translation table file: ttable<br>
        Table updated</p>
      <p>To restore the translation table to defaults, create a blank file of 
        255 lines, and load it using the TRANSLATE command as shown above, or 
        reinstall the Omnidex indexes without specifying a translation table.</p>
      <p>The translation table must be reloaded for an Omnidex environment whenever 
        the Omnidex indexes are reinstalled on the tables in the environment catalog. 
        Also, the indexes must be reloaded after loading a new translation table.</p>
      <p>&nbsp; </p>
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