avocsh> db.demo.all();
[
  { 
    _id : "161039/4323870", 
    _rev : 4323870, 
    name : "Hugo", 
    firstName : "Egon", 
    address : { 
      city : "Hier", 
      street : "Neue Strasse"
    }, 
    hobbies : [
      "swimming", 
      "programming"
    ]
  }, 

  { 
    _id : "161039/4192798", 
    _rev : 4192798, 
    hallo : "world"
  }, 

  { 
    _id : "161039/4258334", 
    _rev : 4258334, 
    world : "hallo"
  }
]