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<h2 class="title">Resource Types</h2>
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<h2 class="title">dbplus_relation</h2>
<p class="para">
Most db++ functions operate on or return
<em><code class="parameter">dbplus_relation</code></em> resources. A
<em><code class="parameter">dbplus_relation</code></em> is a handle to a stored
relation or a relation generated as the result of a query.
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