hydration explanation

hydration.txt

--------------------------------------------------------------------------------
noteid | title | tagName | tagId
--------------------------------------------------------------------------------
1   | my note | work | 123
1   | my note | thinkful | 124
1   | my note | productivity | 125

[{
  noteid: 1,
  title: "my note",
  tagName: "work",
  tagId: 123
},
{
  noteid: 1,
  title: "my note",
  tagName: "thinkful",
  tagId: 124
},
{
  noteid: 1,
  title: "my note",
  tagName: "productivity",
  tagId: 125
}]


[
1:{
  title: "my note"
  tags: [
    {
      id: 123,
      name: "work"
    },
    {
      id: 124,
      name: "thinkful"
    }
  ]
}
]