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arangosh&gt; <span class="hljs-keyword">var</span> examples = <span class="hljs-built_in">require</span>(<span class="hljs-string">"org/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>, {type: <span class="hljs-string">"knows"</span>, _key: <span class="hljs-string">"aliceAndDiana"</span>});
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"relation/aliceAndDiana"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"1295833543"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"aliceAndDiana"</span>
}
arangosh&gt; graph.relation.update(<span class="hljs-string">"relation/aliceAndDiana"</span>, {type: <span class="hljs-string">"quarrelled"</span>, _key: <span class="hljs-string">"aliceAndDiana"</span>});
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"relation/aliceAndDiana"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"1296030151"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"aliceAndDiana"</span>
}