> db.noc.objects.find({model: ObjectId("529df07cc4e7091fa1e495bb")})
{ "_id" : ObjectId("529df07cc4e7091fa1e495bd"), "model" : ObjectId("529df07cc4e7091fa1e495bb"), "name" : "Root" }
{ "_id" : ObjectId("54b020acc4e7097ca05b3fa8"), "model" : ObjectId("529df07cc4e7091fa1e495bb"), "name" : "Root" }
> db.noc.objects.find({container: ObjectId("529df07cc4e7091fa1e495bd")}).count()
2
> db.noc.objects.find({container: ObjectId("54b020acc4e7097ca05b3fa8")}).count()
1