arangosh&gt; db.example.insert({ a:  <span class="hljs-number">1</span> } );
{ 
  <span class="hljs-string">"_id"</span> : <span class="hljs-string">"example/15612"</span>, 
  <span class="hljs-string">"_key"</span> : <span class="hljs-string">"15612"</span>, 
  <span class="hljs-string">"_rev"</span> : <span class="hljs-string">"15612"</span> 
}
arangosh&gt; db.example.remove(<span class="hljs-string">"example/11265325374"</span>,
........&gt; { overwrite: <span class="hljs-literal">true</span>, waitForSync: <span class="hljs-literal">false</span>})
[ArangoError <span class="hljs-number">1202</span>: <span class="hljs-built_in">document</span> not found]