arangosh&gt; <span class="hljs-keyword">var</span> examples = <span class="hljs-built_in">require</span>(<span class="hljs-string">"@arangodb/graph-examples/example-graph.js"</span>);
arangosh&gt; <span class="hljs-keyword">var</span> graph = examples.loadGraph(<span class="hljs-string">"social"</span>);
arangosh&gt; graph.male.save({<span class="hljs-attr">name</span>: <span class="hljs-string">"Kermit"</span>, <span class="hljs-attr">_key</span>: <span class="hljs-string">"kermit"</span>});
{ 
  <span class="hljs-string">"_id"</span> : <span class="hljs-string">"male/kermit"</span>, 
  <span class="hljs-string">"_key"</span> : <span class="hljs-string">"kermit"</span>, 
  <span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_ZXF6eLC---"</span> 
}
arangosh&gt; db._exists(<span class="hljs-string">"male/kermit"</span>)
<span class="hljs-literal">true</span>
arangosh&gt; graph.male.remove(<span class="hljs-string">"male/kermit"</span>)
<span class="hljs-literal">true</span>
arangosh&gt; db._exists(<span class="hljs-string">"male/kermit"</span>)
<span class="hljs-literal">false</span>