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<title>Heterogeneous Services</title>
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<h1>Heterogeneous Services</h1>
<p>An integrated component that provides the generic technology for accessing non-Oracle systems from the Oracle database server. Heterogeneous Services enables you to:</p>
<ul>
<li>
<p>Use Oracle SQL to transparently access data stored in non-Oracle systems as if the data resides within an Oracle server.</p>
</li>
<li>
<p>Use Oracle procedure calls to transparently access non-Oracle systems, services, or application programming interfaces (APIs), from your Oracle distributed environment.</p>
</li>
</ul>
<p>To initiate a connection to the non-Oracle system, the Oracle8<span class="italic">i</span> database starts an agent process through the listener on the gateway. In order for the Oracle8<span class="italic">i</span> database to connect to the agent, the server must be configured with a <a href="n8ahelpnet_service_name.htm">net service name</a> to access the agent and the listener must be configured with service information about the agent.</p>
<p><span class="bold">Related Topics</span></p>
<p><a href="n8ahelpconfigure_a_connect_descheterog.htm">Configure a Connect Descriptor for Heterogeneous Services</a></p>
<p><a href="n8ahelpconfigure_heterogeneous_services.htm">Configure Heterogeneous Services for the Listener</a></p>
<p><a href="n8ahelpnet8_overview.htm">Oracle Net Services Overview</a></p>
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