arangosh> db.example.save({ Hello : "world", foo : "bar" }); { "_id" : "example/3931807675", "_rev" : "3931807675", "_key" : "3931807675" } arangosh> db.example.updateByExample({ Hello: "world" }, { Hello: "foo", World: "bar" }, false); 1 arangosh> db.example.byExample({ Hello: "foo" }).toArray() [ { "_id" : "example/3931807675", "_key" : "3931807675", "_rev" : "3932135355", "Hello" : "foo", "foo" : "bar", "World" : "bar" } ]