{
  "schema": [
    {
      "no": 0,
      "type": "INTEGER",
      "length": 4,
      "name": "DriverId"
    },
    {
      "no": 1,
      "type": "INTEGER",
      "length": 4,
      "name": "GroupId"
    },
    {
      "no": 2,
      "type": "STRING",
      "length": 10,
      "name": "FromDate"
    },
    {
      "no": 3,
      "type": "STRING",
      "length": 10,
      "name": "ToDate"
    }
  ],
  "key": 1
}