```
{message:{
  "id1":{
    "name":"name1"
},
  "id2":{
    "name":"name2"
},
  "id3":{
    "name":"name3"
}... and so on
}}

```

Let say I am having firebase data structure like above, now I am trying to get the first id's value (e.g its name) by using child("id1")...value(). Will I potentially access and query data of "id2" or the rest of the nodes on the same level? 

Excluding the cost of storing data in the database, will it cost more to query a single node (getting all its inner values) when the number of nodes in "message" is starting to grow?