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.relation.save(<span class="hljs-string">"female/alice"</span>, <span class="hljs-string">"female/diana"</span>, {<span class="hljs-attr">_key</span>: <span class="hljs-string">"aliceAndDiana"</span>});
{ 
  <span class="hljs-string">"_id"</span> : <span class="hljs-string">"relation/aliceAndDiana"</span>, 
  <span class="hljs-string">"_key"</span> : <span class="hljs-string">"aliceAndDiana"</span>, 
  <span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn1gqS--F"</span> 
}
arangosh&gt; db._exists(<span class="hljs-string">"relation/aliceAndDiana"</span>)
<span class="hljs-literal">true</span>
arangosh&gt; graph.relation.remove(<span class="hljs-string">"relation/aliceAndDiana"</span>)
<span class="hljs-literal">true</span>
arangosh&gt; db._exists(<span class="hljs-string">"relation/aliceAndDiana"</span>)
<span class="hljs-literal">false</span>