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      <h1>Development</h1>
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      <p><a href="#connect">Connecting Through the Omnidex JDBC Driver</a></p>
      <p class="line">&nbsp;</p>
      <p>JDBC</p>
      <p><a href="Minimum%20Retrieval%20Sample.htm">Minimum Retrieval Sample</a></p>
      <p>&nbsp;</p>
      <p><a href="../Development.htm">Application Programming</a></p>
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      <h2>JDBC</h2>
      <p>Omnidex provides a JDBC driver for Java applications against an Omnidex 
        enhanced database, on any supported platform. The Omnidex JDBC driver 
        supports standard JDBC statements and syntax as well as some additional 
        Omnidex specific statements, functions and syntax. See the SQL Reference 
        for a complete list of supported SQL.</p>
      <p>The Omnidex JDBC driver is used for all types of Java applications including 
        console apps, swing apps, applets, JSP and Servlets.</p>
      <p>The Omnidex JDBC class files are store in a jar file named omnidex.jar, 
        which is located in the bin subdirectory of the Omnidex home directory 
        on the server, or the lib directory of the Omnidex Client home directory 
        on the client machine.</p>
      <p class="line">&nbsp;</p>
      <h3><a name="connect"></a>Connecting Through the Omnidex JDBC Driver</h3>
      <p>Connecting to an Omnidex enhanced database through the Omnidex JDBC driver 
        is the same as connecting to any other database using any other JDBC driver, 
        with three notable exceptions:</p>
      <ul>
        <li>The Omnidex JDBC classes and the java.sql classes must be imported 
          into the Java class file. </li>
        <li>The Omnidex JDBC driver must be loaded and registered with java.sql.DriverManager. 
        </li>
        <li>The connection url must point to an Omnidex Generic data source. </li>
      </ul>
      <p>Both the Omnidex JDBC classes and the java.sql classes must be imported 
        into the Java program along with any other desired Java packages. This 
        is because the java.sql.DriverManager is used to register the Omnidex 
        JDBC driver. Also, the Omnidex JDBC classes throw java.sql.SQLExceptions.</p>
      <p class="ex">import java.sql.*;<br>
        import omnidex.jdbc.*;</p>
      <p> </p>
      <p>The following code snippet will load the Omnidex JDBC driver and register 
        it with the java.sql.DriverManager. This ensures that the Omnidex JDBC 
        driver will be used for all subsequent connections.</p>
      <p class="ex">Class.forName(&quot;omnidex.jdbc.OdxJDBCDriver&quot;);</p>
      <p> </p>
      <p>Pass the connection url to the DriverManager class to obtan a connection.</p>
      <p class="ex">OdxJDBCConnection conn = (OdxJDBCConnection)DriverManager.getConnection(<br>
        &quot;jdbc:omnidex:c:\\odxtesting\\dsn\\odx_file_ordersffl.dsn&quot;);</p>
      <p>Notice that the Connection object returned by the DriverManager is being 
        cast to an OdxJDBCConnection object. This is because the DriverManager 
        returns a Connection, not an OdxJDBCConnection. All of the Omnidex JDBC 
        Driver classes implement the java.sql classes and inherit all of the constructors, 
        methods and properties. The Omnidex JDBC classes also contain some additional 
        methods a properties specific to Omnidex.</p>
      <p>&nbsp;</p>
      <p>&nbsp;</p>
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