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> g = examples.loadGraph(<span class="hljs-string">"traversalGraph"</span>);
[ArangoError <span class="hljs-number">1207</span>: the collection: [<span class="hljs-string">"edges"</span>] already exists. Please clean up and <span class="hljs-keyword">try</span> again.]
arangosh&gt; db.circles.toArray();
<span class="hljs-built_in">TypeError</span>: Cannot read property <span class="hljs-string">'toArray'</span> <span class="hljs-keyword">of</span> <span class="hljs-literal">undefined</span>
arangosh&gt; db.edges.toArray();
[ ]
arangosh&gt; examples.dropGraph(<span class="hljs-string">"traversalGraph"</span>);