arangosh> db.example.remove(db.example.byExample({ name: "John Doe" }).toArray()[0]._id)
true
arangosh> db.example.toArray()
[
{
"age" : 31,
"name" : "Jane Smith",
"_id" : "example/466475463",
"_rev" : "466475463",
"_key" : "466475463"
},
{
"Hello" : "World",
"_id" : "example/465885639",
"_rev" : "465885639",
"_key" : "465885639"
}
]