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arangodb/Documentation/Examples/documentsCollection_UpdateH...

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arangosh&gt; a1 = db.example.insert({<span class="hljs-string">"a"</span> : <span class="hljs-number">1</span>});
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"example/18612116"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"18612116"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_ZXF6dT---C"</span>
}
arangosh&gt; a2 = db.example.update(<span class="hljs-string">"example/18612115"</span>, { <span class="hljs-string">"x"</span> : <span class="hljs-number">1</span>, <span class="hljs-string">"y"</span> : <span class="hljs-number">2</span> });
{
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"example/18612115"</span>,
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"18612115"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_ZXF6dTC--_"</span>,
<span class="hljs-string">"_oldRev"</span> : <span class="hljs-string">"_ZXF6dT---A"</span>
}